--- a/accessible/public/nsIAccessible.idl
+++ b/accessible/public/nsIAccessible.idl
@@ -18,17 +18,17 @@ interface nsIAccessibleRelation;
  * accessibility APIs like MSAA and ATK. Contains the sum of what's needed
  * to support IAccessible as well as ATK's generic accessibility objects.
  * Can also be used by in-process accessibility clients to get information
  * about objects in the accessible tree. The accessible tree is a subset of 
  * nodes in the DOM tree -- such as documents, focusable elements and text.
  * Mozilla creates the implementations of nsIAccessible on demand.
  * See http://www.mozilla.org/projects/ui/accessibility for more information.
  */
-[scriptable, uuid(45ce2c92-4d92-49d2-bff1-855934443261)]
+[scriptable, uuid(45600c50-b06a-11e1-afa6-0800200c9a66)]
 interface nsIAccessible : nsISupports
 {
   /**
    * Parent node in accessible tree.
    */
   readonly attribute nsIAccessible parent;
 
   /**
@@ -110,31 +110,23 @@ interface nsIAccessible : nsISupports
    */
   readonly attribute AString description;
 
   /**
    * Provides localized string of accesskey name, such as Alt+D.
    * The modifier may be affected by user and platform preferences.
    * Usually alt+letter, or just the letter alone for menu items. 
    */
-  readonly attribute AString keyboardShortcut;
+  readonly attribute AString accessKey;
 
   /**
    * Provides localized string of global keyboard accelerator for default
    * action, such as Ctrl+O for Open file
    */
-  readonly attribute AString defaultKeyBinding;
-
-  /**
-   * Provides array of localized string of global keyboard accelerator for
-   * the given action index supported by accessible.
-   *
-   * @param aActionIndex - index of the given action
-   */
-  nsIDOMDOMStringList getKeyBindings(in PRUint8 aActionIndex);
+  readonly attribute AString keyboardShortcut;
 
   /**
    * Enumerated accessible role (see the constants defined in nsIAccessibleRole).
    *
    * @note  The values might depend on platform because of variations. Widgets
    *        can use ARIA role attribute to force the final role.
    */
   readonly attribute unsigned long role;

rename from accessible/src/atk/nsHTMLTableAccessibleWrap.h
rename to accessible/src/atk/HTMLTableAccessibleWrap.h
--- a/accessible/src/atk/nsHTMLTableAccessibleWrap.h
+++ b/accessible/src/atk/HTMLTableAccessibleWrap.h
@@ -1,17 +1,23 @@
 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
 /* vim: set ts=2 et sw=2 tw=80: */
 /* This Source Code Form is subject to the terms of the Mozilla Public
  * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
 
-#ifndef _NSHTMLTABLEACCESSIBLEWRAP_H
-#define _NSHTMLTABLEACCESSIBLEWRAP_H
+#ifndef mozilla_a11y_HTMLTableAccessibleWrap_h__
+#define mozilla_a11y_HTMLTableAccessibleWrap_h__
+
+#include "HTMLTableAccessible.h"
 
-#include "nsHTMLTableAccessible.h"
+namespace mozilla {
+namespace a11y {
 
-typedef class nsHTMLTableAccessible nsHTMLTableAccessibleWrap;
-typedef class nsHTMLTableCellAccessible nsHTMLTableCellAccessibleWrap;
-typedef class nsHTMLTableHeaderCellAccessible nsHTMLTableHeaderCellAccessibleWrap;
+typedef class HTMLTableAccessible HTMLTableAccessibleWrap;
+typedef class HTMLTableCellAccessible HTMLTableCellAccessibleWrap;
+typedef class HTMLTableHeaderCellAccessible HTMLTableHeaderCellAccessibleWrap;
+
+} // namespace a11y
+} // namespace mozilla
 
 #endif
 

rename from accessible/src/atk/nsXULListboxAccessibleWrap.h
rename to accessible/src/atk/XULListboxAccessibleWrap.h
--- a/accessible/src/atk/nsXULListboxAccessibleWrap.h
+++ b/accessible/src/atk/XULListboxAccessibleWrap.h
@@ -1,15 +1,21 @@
 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
 /* vim: set ts=2 et sw=2 tw=80: */
 /* This Source Code Form is subject to the terms of the Mozilla Public
  * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
 
-#ifndef __nsXULListboxAccessibleWrap_h__
-#define __nsXULListboxAccessibleWrap_h__
+#ifndef mozilla_a11y_XULListboxAccessibleWrap_h__
+#define mozilla_a11y_XULListboxAccessibleWrap_h__
+
+#include "XULListboxAccessible.h"
 
-#include "nsXULListboxAccessible.h"
+namespace mozilla {
+namespace a11y {
 
-typedef class nsXULListboxAccessible nsXULListboxAccessibleWrap;
-typedef class nsXULListCellAccessible nsXULListCellAccessibleWrap;
+typedef class XULListboxAccessible XULListboxAccessibleWrap;
+typedef class XULListCellAccessible XULListCellAccessibleWrap;
+
+} // namespace a11y
+} // namespace mozilla
 
 #endif

rename from accessible/src/atk/nsXULMenuAccessibleWrap.h
rename to accessible/src/atk/XULMenuAccessibleWrap.h
--- a/accessible/src/atk/nsXULMenuAccessibleWrap.h
+++ b/accessible/src/atk/XULMenuAccessibleWrap.h
@@ -1,14 +1,20 @@
 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
 /* vim: set ts=2 et sw=2 tw=80: */
 /* This Source Code Form is subject to the terms of the Mozilla Public
  * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
 
-#ifndef __nsXULMenuAccessibleWrap_h__
-#define __nsXULMenuAccessibleWrap_h__
+#ifndef mozilla_a11y_XULMenuAccessibleWrap_h__
+#define mozilla_a11y_XULMenuAccessibleWrap_h__
+
+#include "XULMenuAccessible.h"
 
-#include "nsXULMenuAccessible.h"
+namespace mozilla {
+namespace a11y {
 
-typedef class nsXULMenuitemAccessible nsXULMenuitemAccessibleWrap;
+typedef class XULMenuitemAccessible XULMenuitemAccessibleWrap;
+
+} // namespace a11y
+} // namespace mozilla
 
 #endif

rename from accessible/src/atk/nsXULTreeGridAccessibleWrap.h
rename to accessible/src/atk/XULTreeGridAccessibleWrap.h
--- a/accessible/src/atk/nsXULTreeGridAccessibleWrap.h
+++ b/accessible/src/atk/XULTreeGridAccessibleWrap.h
@@ -1,16 +1,22 @@
 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
 /* vim: set ts=2 et sw=2 tw=80: */
 /* This Source Code Form is subject to the terms of the Mozilla Public
  * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
 
-#ifndef __nsXULTreeGridAccessibleWrap_h__
-#define __nsXULTreeGridAccessibleWrap_h__
+#ifndef mozilla_a11y_XULTreeGridAccessibleWrap_h__
+#define mozilla_a11y_XULTreeGridAccessibleWrap_h__
+
+#include "XULTreeGridAccessible.h"
 
-#include "nsXULTreeGridAccessible.h"
+namespace mozilla {
+namespace a11y {
 
-typedef class nsXULTreeGridAccessible nsXULTreeGridAccessibleWrap;
-typedef class nsXULTreeGridCellAccessible nsXULTreeGridCellAccessibleWrap;
+typedef class XULTreeGridAccessible XULTreeGridAccessibleWrap;
+typedef class XULTreeGridCellAccessible XULTreeGridCellAccessibleWrap;
+
+} // namespace a11y
+} // namespace mozilla
 
 #endif
 

--- a/accessible/src/base/AccIterator.cpp
+++ b/accessible/src/base/AccIterator.cpp
@@ -6,16 +6,17 @@
 
 #include "nsAccessibilityService.h"
 #include "Accessible.h"
 
 #include "mozilla/dom/Element.h"
 #include "nsBindingManager.h"
 
 using namespace mozilla;
+using namespace mozilla::a11y;
 
 ////////////////////////////////////////////////////////////////////////////////
 // AccIterator
 ////////////////////////////////////////////////////////////////////////////////
 
 AccIterator::AccIterator(Accessible* aAccessible,
                          filters::FilterFuncPtr aFilterFunc,
                          IterationType aIterationType) :

--- a/accessible/src/base/AccIterator.h
+++ b/accessible/src/base/AccIterator.h
@@ -17,17 +17,17 @@
  */
 class AccIterable
 {
 public:
   virtual ~AccIterable() { }
   virtual Accessible* Next() = 0;
 
 private:
-  friend class Relation;
+  friend class mozilla::a11y::Relation;
   nsAutoPtr<AccIterable> mNextIter;
 };
 
 /**
  * Allows to iterate through accessible children or subtree complying with
  * filter function.
  */
 class AccIterator : public AccIterable

--- a/accessible/src/base/Relation.h
+++ b/accessible/src/base/Relation.h
@@ -4,16 +4,19 @@
  * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
 
 #ifndef RELATION_H_
 #define RELATION_H_
 
 #include "AccIterator.h"
 
+namespace mozilla {
+namespace a11y {
+
 /**
  * This class is used to return Relation objects from functions.  A copy
  * constructor doesn't work here because we need to mutate the old relation to
  * have its nsAutoPtr forget what it points to.
  */
 struct RelationCopyHelper
 {
   RelationCopyHelper(AccIterable* aFirstIter, AccIterable* aLastIter) :
@@ -112,10 +115,13 @@ public:
 
 private:
   Relation& operator = (const Relation&);
 
   nsAutoPtr<AccIterable> mFirstIter;
   AccIterable* mLastIter;
 };
 
+} // namespace a11y
+} // namespace mozilla
+
 #endif
 

--- a/accessible/src/base/TextAttrs.cpp
+++ b/accessible/src/base/TextAttrs.cpp
@@ -96,31 +96,35 @@ TextAttrsMgr::GetAttributes(nsIPersisten
   FontSizeTextAttr fontSizeTextAttr(rootFrame, frame);
 
   // "font-style" text attribute
   FontStyleTextAttr fontStyleTextAttr(rootFrame, frame);
 
   // "font-weight" text attribute
   FontWeightTextAttr fontWeightTextAttr(rootFrame, frame);
 
+  // "auto-generated" text attribute
+  AutoGeneratedTextAttr autoGenTextAttr(mHyperTextAcc, mOffsetAcc);
+
   // "text-underline(line-through)-style(color)" text attributes
   TextDecorTextAttr textDecorTextAttr(rootFrame, frame);
 
   // "text-position" text attribute
   TextPosTextAttr textPosTextAttr(rootFrame, frame);
 
   TextAttr* attrArray[] =
   {
     &langTextAttr,
     &bgColorTextAttr,
     &colorTextAttr,
     &fontFamilyTextAttr,
     &fontSizeTextAttr,
     &fontStyleTextAttr,
     &fontWeightTextAttr,
+    &autoGenTextAttr,
     &textDecorTextAttr,
     &textPosTextAttr
   };
 
   // Expose text attributes if applicable.
   if (aAttributes) {
     for (PRUint32 idx = 0; idx < ArrayLength(attrArray); idx++)
       attrArray[idx]->Expose(aAttributes, mIncludeDefAttrs);
@@ -139,24 +143,20 @@ TextAttrsMgr::GetRange(TextAttr* aAttrAr
   for (PRInt32 childIdx = mOffsetAccIdx - 1; childIdx >= 0; childIdx--) {
     Accessible* currAcc = mHyperTextAcc->GetChildAt(childIdx);
 
     // Stop on embedded accessible since embedded accessibles are combined into
     // own range.
     if (nsAccUtils::IsEmbeddedObject(currAcc))
       break;
 
-    nsIContent* currElm = nsCoreUtils::GetDOMElementFor(currAcc->GetContent());
-    if (!currElm)
-      return;
-
     bool offsetFound = false;
     for (PRUint32 attrIdx = 0; attrIdx < aAttrArrayLen; attrIdx++) {
       TextAttr* textAttr = aAttrArray[attrIdx];
-      if (!textAttr->Equal(currElm)) {
+      if (!textAttr->Equal(currAcc)) {
         offsetFound = true;
         break;
       }
     }
 
     if (offsetFound)
       break;
 
@@ -165,27 +165,23 @@ TextAttrsMgr::GetRange(TextAttr* aAttrAr
 
   // Navigate forward from anchor accessible to find end offset.
   PRUint32 childLen = mHyperTextAcc->ChildCount();
   for (PRUint32 childIdx = mOffsetAccIdx + 1; childIdx < childLen; childIdx++) {
     Accessible* currAcc = mHyperTextAcc->GetChildAt(childIdx);
     if (nsAccUtils::IsEmbeddedObject(currAcc))
       break;
 
-    nsIContent* currElm = nsCoreUtils::GetDOMElementFor(currAcc->GetContent());
-    if (!currElm)
-      return;
-
     bool offsetFound = false;
     for (PRUint32 attrIdx = 0; attrIdx < aAttrArrayLen; attrIdx++) {
       TextAttr* textAttr = aAttrArray[attrIdx];
 
       // Alter the end offset when text attribute changes its value and stop
       // the search.
-      if (!textAttr->Equal(currElm)) {
+      if (!textAttr->Equal(currAcc)) {
         offsetFound = true;
         break;
       }
     }
 
     if (offsetFound)
       break;
 
@@ -201,61 +197,57 @@ TextAttrsMgr::GetRange(TextAttr* aAttrAr
 TextAttrsMgr::LangTextAttr::
   LangTextAttr(HyperTextAccessible* aRoot,
                nsIContent* aRootElm, nsIContent* aElm) :
   TTextAttr<nsString>(!aElm), mRootContent(aRootElm)
 {
   aRoot->Language(mRootNativeValue);
   mIsRootDefined =  !mRootNativeValue.IsEmpty();
 
-  if (aElm)
-    mIsDefined = GetLang(aElm, mNativeValue);
+  if (aElm) {
+    nsCoreUtils::GetLanguageFor(aElm, mRootContent, mNativeValue);
+    mIsDefined = !mNativeValue.IsEmpty();
+  }
 }
 
 bool
 TextAttrsMgr::LangTextAttr::
-  GetValueFor(nsIContent* aElm, nsString* aValue)
+  GetValueFor(Accessible* aAccessible, nsString* aValue)
 {
-  return GetLang(aElm, *aValue);
+  nsCoreUtils::GetLanguageFor(aAccessible->GetContent(), mRootContent, *aValue);
+  return !aValue->IsEmpty();
 }
 
 void
 TextAttrsMgr::LangTextAttr::
   ExposeValue(nsIPersistentProperties* aAttributes, const nsString& aValue)
 {
   nsAccUtils::SetAccAttr(aAttributes, nsGkAtoms::language, aValue);
 }
 
-bool
-TextAttrsMgr::LangTextAttr::
-  GetLang(nsIContent* aElm, nsAString& aLang)
-{
-  nsCoreUtils::GetLanguageFor(aElm, mRootContent, aLang);
-  return !aLang.IsEmpty();
-}
-
 
 ////////////////////////////////////////////////////////////////////////////////
 // BGColorTextAttr
 ////////////////////////////////////////////////////////////////////////////////
 
 TextAttrsMgr::BGColorTextAttr::
   BGColorTextAttr(nsIFrame* aRootFrame, nsIFrame* aFrame) :
   TTextAttr<nscolor>(!aFrame), mRootFrame(aRootFrame)
 {
   mIsRootDefined = GetColor(mRootFrame, &mRootNativeValue);
   if (aFrame)
     mIsDefined = GetColor(aFrame, &mNativeValue);
 }
 
 bool
 TextAttrsMgr::BGColorTextAttr::
-  GetValueFor(nsIContent* aElm, nscolor* aValue)
+  GetValueFor(Accessible* aAccessible, nscolor* aValue)
 {
-  nsIFrame* frame = aElm->GetPrimaryFrame();
+  nsIContent* elm = nsCoreUtils::GetDOMElementFor(aAccessible->GetContent());
+  nsIFrame* frame = elm->GetPrimaryFrame();
   return frame ? GetColor(frame, aValue) : false;
 }
 
 void
 TextAttrsMgr::BGColorTextAttr::
   ExposeValue(nsIPersistentProperties* aAttributes, const nscolor& aValue)
 {
   nsAutoString formattedValue;
@@ -305,19 +297,20 @@ TextAttrsMgr::ColorTextAttr::
   if (aFrame) {
     mNativeValue = aFrame->GetStyleColor()->mColor;
     mIsDefined = true;
   }
 }
 
 bool
 TextAttrsMgr::ColorTextAttr::
-  GetValueFor(nsIContent* aElm, nscolor* aValue)
+  GetValueFor(Accessible* aAccessible, nscolor* aValue)
 {
-  nsIFrame* frame = aElm->GetPrimaryFrame();
+  nsIContent* elm = nsCoreUtils::GetDOMElementFor(aAccessible->GetContent());
+  nsIFrame* frame = elm->GetPrimaryFrame();
   if (frame) {
     *aValue = frame->GetStyleColor()->mColor;
     return true;
   }
 
   return false;
 }
 
@@ -342,19 +335,20 @@ TextAttrsMgr::FontFamilyTextAttr::
   mIsRootDefined = GetFontFamily(aRootFrame, mRootNativeValue);
 
   if (aFrame)
     mIsDefined = GetFontFamily(aFrame, mNativeValue);
 }
 
 bool
 TextAttrsMgr::FontFamilyTextAttr::
-  GetValueFor(nsIContent* aElm, nsString* aValue)
+  GetValueFor(Accessible* aAccessible, nsString* aValue)
 {
-  nsIFrame* frame = aElm->GetPrimaryFrame();
+  nsIContent* elm = nsCoreUtils::GetDOMElementFor(aAccessible->GetContent());
+  nsIFrame* frame = elm->GetPrimaryFrame();
   return frame ? GetFontFamily(frame, *aValue) : false;
 }
 
 void
 TextAttrsMgr::FontFamilyTextAttr::
   ExposeValue(nsIPersistentProperties* aAttributes, const nsString& aValue)
 {
   nsAccUtils::SetAccAttr(aAttributes, nsGkAtoms::font_family, aValue);
@@ -391,19 +385,20 @@ TextAttrsMgr::FontSizeTextAttr::
   if (aFrame) {
     mNativeValue = aFrame->GetStyleFont()->mSize;
     mIsDefined = true;
   }
 }
 
 bool
 TextAttrsMgr::FontSizeTextAttr::
-  GetValueFor(nsIContent* aElm, nscoord* aValue)
+  GetValueFor(Accessible* aAccessible, nscoord* aValue)
 {
-  nsIFrame* frame = aElm->GetPrimaryFrame();
+  nsIContent* content = nsCoreUtils::GetDOMElementFor(aAccessible->GetContent());
+  nsIFrame* frame = content->GetPrimaryFrame();
   if (frame) {
     *aValue = frame->GetStyleFont()->mSize;
     return true;
   }
 
   return false;
 }
 
@@ -446,19 +441,20 @@ TextAttrsMgr::FontStyleTextAttr::
   if (aFrame) {
     mNativeValue = aFrame->GetStyleFont()->mFont.style;
     mIsDefined = true;
   }
 }
 
 bool
 TextAttrsMgr::FontStyleTextAttr::
-  GetValueFor(nsIContent* aContent, nscoord* aValue)
+  GetValueFor(Accessible* aAccessible, nscoord* aValue)
 {
-  nsIFrame* frame = aContent->GetPrimaryFrame();
+  nsIContent* elm = nsCoreUtils::GetDOMElementFor(aAccessible->GetContent());
+  nsIFrame* frame = elm->GetPrimaryFrame();
   if (frame) {
     *aValue = frame->GetStyleFont()->mFont.style;
     return true;
   }
 
   return false;
 }
 
@@ -487,19 +483,20 @@ TextAttrsMgr::FontWeightTextAttr::
   if (aFrame) {
     mNativeValue = GetFontWeight(aFrame);
     mIsDefined = true;
   }
 }
 
 bool
 TextAttrsMgr::FontWeightTextAttr::
-  GetValueFor(nsIContent* aElm, PRInt32* aValue)
+  GetValueFor(Accessible* aAccessible, PRInt32* aValue)
 {
-  nsIFrame* frame = aElm->GetPrimaryFrame();
+  nsIContent* elm = nsCoreUtils::GetDOMElementFor(aAccessible->GetContent());
+  nsIFrame* frame = elm->GetPrimaryFrame();
   if (frame) {
     *aValue = GetFontWeight(frame);
     return true;
   }
 
   return false;
 }
 
@@ -545,16 +542,46 @@ TextAttrsMgr::FontWeightTextAttr::
   // On Mac, font->GetStyle()->weight will just give the same number as
   // getComputedStyle(). fontEntry->Weight() will give the weight of the font
   // face used.
   gfxFontEntry *fontEntry = font->GetFontEntry();
   return fontEntry->Weight();
 #endif
 }
 
+////////////////////////////////////////////////////////////////////////////////
+// AutoGeneratedTextAttr
+////////////////////////////////////////////////////////////////////////////////
+TextAttrsMgr::AutoGeneratedTextAttr::
+  AutoGeneratedTextAttr(HyperTextAccessible* aHyperTextAcc,
+                        Accessible* aAccessible) :
+  TTextAttr<bool>(!aAccessible)
+{
+  mRootNativeValue = false;
+  mIsRootDefined = false;
+
+  if (aAccessible)
+    mIsDefined = mNativeValue = (aAccessible->NativeRole() == roles::STATICTEXT);
+}
+
+bool
+TextAttrsMgr::AutoGeneratedTextAttr::
+  GetValueFor(Accessible* aAccessible, bool* aValue)
+{
+  return *aValue = (aAccessible->NativeRole() == roles::STATICTEXT);
+}
+
+void
+TextAttrsMgr::AutoGeneratedTextAttr::
+  ExposeValue(nsIPersistentProperties* aAttributes, const bool& aValue)
+{
+  nsAccUtils::SetAccAttr(aAttributes, nsGkAtoms::auto_generated,
+                         aValue ? NS_LITERAL_STRING("true") : NS_LITERAL_STRING("false"));
+}
+
 
 ////////////////////////////////////////////////////////////////////////////////
 // TextDecorTextAttr
 ////////////////////////////////////////////////////////////////////////////////
 
 TextAttrsMgr::TextDecorValue::
   TextDecorValue(nsIFrame* aFrame)
 {
@@ -581,19 +608,20 @@ TextAttrsMgr::TextDecorTextAttr::
   if (aFrame) {
     mNativeValue = TextDecorValue(aFrame);
     mIsDefined = mNativeValue.IsDefined();
   }
 }
 
 bool
 TextAttrsMgr::TextDecorTextAttr::
-  GetValueFor(nsIContent* aContent, TextDecorValue* aValue)
+  GetValueFor(Accessible* aAccessible, TextDecorValue* aValue)
 {
-  nsIFrame* frame = aContent->GetPrimaryFrame();
+  nsIContent* elm = nsCoreUtils::GetDOMElementFor(aAccessible->GetContent());
+  nsIFrame* frame = elm->GetPrimaryFrame();
   if (frame) {
     *aValue = TextDecorValue(frame);
     return aValue->IsDefined();
   }
 
   return false;
 }
 
@@ -643,19 +671,20 @@ TextAttrsMgr::TextPosTextAttr::
   if (aFrame) {
     mNativeValue = GetTextPosValue(aFrame);
     mIsDefined = mNativeValue != eTextPosNone;
   }
 }
 
 bool
 TextAttrsMgr::TextPosTextAttr::
-  GetValueFor(nsIContent* aContent, TextPosValue* aValue)
+  GetValueFor(Accessible* aAccessible, TextPosValue* aValue)
 {
-  nsIFrame* frame = aContent->GetPrimaryFrame();
+  nsIContent* elm = nsCoreUtils::GetDOMElementFor(aAccessible->GetContent());
+  nsIFrame* frame = elm->GetPrimaryFrame();
   if (frame) {
     *aValue = GetTextPosValue(frame);
     return *aValue != eTextPosNone;
   }
 
   return false;
 }
 

--- a/accessible/src/base/TextAttrs.h
+++ b/accessible/src/base/TextAttrs.h
@@ -105,17 +105,17 @@ protected:
      */
     virtual void Expose(nsIPersistentProperties* aAttributes,
                         bool aIncludeDefAttrValue) = 0;
 
     /**
      * Return true if the text attribute value on the given element equals with
      * predefined attribute value.
      */
-    virtual bool Equal(nsIContent* aElm) = 0;
+    virtual bool Equal(Accessible* aAccessible) = 0;
   };
 
 
   /**
    * Base class to work with text attributes. See derived classes below.
    */
   template<class T>
   class TTextAttr : public TextAttr
@@ -138,20 +138,20 @@ protected:
           ExposeValue(aAttributes, mNativeValue);
         return;
       }
 
       if (aIncludeDefAttrValue && mIsRootDefined)
         ExposeValue(aAttributes, mRootNativeValue);
     }
 
-    virtual bool Equal(nsIContent* aElm)
+    virtual bool Equal(Accessible* aAccessible)
     {
       T nativeValue;
-      bool isDefined = GetValueFor(aElm, &nativeValue);
+      bool isDefined = GetValueFor(aAccessible, &nativeValue);
 
       if (!mIsDefined && !isDefined)
         return true;
 
       if (mIsDefined && isDefined)
         return nativeValue == mNativeValue;
 
       if (mIsDefined)
@@ -162,17 +162,17 @@ protected:
 
   protected:
 
     // Expose the text attribute with the given value to attribute set.
     virtual void ExposeValue(nsIPersistentProperties* aAttributes,
                              const T& aValue) = 0;
 
     // Return native value for the given DOM element.
-    virtual bool GetValueFor(nsIContent* aElm, T* aValue) = 0;
+    virtual bool GetValueFor(Accessible* aAccessible, T* aValue) = 0;
 
     // Indicates if root value should be exposed.
     bool mGetRootValue;
 
     // Native value and flag indicating if the value is defined (initialized in
     // derived classes). Note, undefined native value means it is inherited
     // from root.
     T mNativeValue;
@@ -193,39 +193,38 @@ protected:
   public:
     LangTextAttr(HyperTextAccessible* aRoot, nsIContent* aRootElm,
                  nsIContent* aElm);
     virtual ~LangTextAttr() { }
 
   protected:
 
     // TextAttr
-    virtual bool GetValueFor(nsIContent* aElm, nsString* aValue);
+    virtual bool GetValueFor(Accessible* aAccessible, nsString* aValue);
     virtual void ExposeValue(nsIPersistentProperties* aAttributes,
                              const nsString& aValue);
 
   private:
-    bool GetLang(nsIContent* aElm, nsAString& aLang);
     nsCOMPtr<nsIContent> mRootContent;
   };
 
 
   /**
    * Class is used for the work with 'background-color' text attribute.
    */
   class BGColorTextAttr : public TTextAttr<nscolor>
   {
   public:
     BGColorTextAttr(nsIFrame* aRootFrame, nsIFrame* aFrame);
     virtual ~BGColorTextAttr() { }
 
   protected:
 
     // TextAttr
-    virtual bool GetValueFor(nsIContent* aElm, nscolor* aValue);
+    virtual bool GetValueFor(Accessible* aAccessible, nscolor* aValue);
     virtual void ExposeValue(nsIPersistentProperties* aAttributes,
                              const nscolor& aValue);
 
   private:
     bool GetColor(nsIFrame* aFrame, nscolor* aColor);
     nsIFrame* mRootFrame;
   };
 
@@ -237,17 +236,17 @@ protected:
   {
   public:
     ColorTextAttr(nsIFrame* aRootFrame, nsIFrame* aFrame);
     virtual ~ColorTextAttr() { }
 
   protected:
 
     // TTextAttr
-    virtual bool GetValueFor(nsIContent* aElm, nscolor* aValue);
+    virtual bool GetValueFor(Accessible* aAccessible, nscolor* aValue);
     virtual void ExposeValue(nsIPersistentProperties* aAttributes,
                              const nscolor& aValue);
   };
 
 
   /**
    * Class is used for the work with "font-family" text attribute.
    */
@@ -255,17 +254,17 @@ protected:
   {
   public:
     FontFamilyTextAttr(nsIFrame* aRootFrame, nsIFrame* aFrame);
     virtual ~FontFamilyTextAttr() { }
 
   protected:
 
     // TTextAttr
-    virtual bool GetValueFor(nsIContent* aElm, nsString* aValue);
+    virtual bool GetValueFor(Accessible* aAccessible, nsString* aValue);
     virtual void ExposeValue(nsIPersistentProperties* aAttributes,
                              const nsString& aValue);
 
   private:
 
     bool GetFontFamily(nsIFrame* aFrame, nsString& aFamily);
   };
 
@@ -274,20 +273,20 @@ protected:
    * Class is used for the work with "font-size" text attribute.
    */
   class FontSizeTextAttr : public TTextAttr<nscoord>
   {
   public:
     FontSizeTextAttr(nsIFrame* aRootFrame, nsIFrame* aFrame);
     virtual ~FontSizeTextAttr() { }
 
-  protected:
+  protected: 
 
     // TTextAttr
-    virtual bool GetValueFor(nsIContent* aElm, nscoord* aValue);
+    virtual bool GetValueFor(Accessible* aAccessible, nscoord* aValue);
     virtual void ExposeValue(nsIPersistentProperties* aAttributes,
                              const nscoord& aValue);
 
   private:
     nsDeviceContext* mDC;
   };
 
 
@@ -298,17 +297,17 @@ protected:
   {
   public:
     FontStyleTextAttr(nsIFrame* aRootFrame, nsIFrame* aFrame);
     virtual ~FontStyleTextAttr() { }
 
   protected:
 
     // TTextAttr
-    virtual bool GetValueFor(nsIContent* aContent, nscoord* aValue);
+    virtual bool GetValueFor(Accessible* aContent, nscoord* aValue);
     virtual void ExposeValue(nsIPersistentProperties* aAttributes,
                              const nscoord& aValue);
   };
 
 
   /**
    * Class is used for the work with "font-weight" text attribute.
    */
@@ -316,24 +315,41 @@ protected:
   {
   public:
     FontWeightTextAttr(nsIFrame* aRootFrame, nsIFrame* aFrame);
     virtual ~FontWeightTextAttr() { }
 
   protected:
 
     // TTextAttr
-    virtual bool GetValueFor(nsIContent* aElm, PRInt32* aValue);
+    virtual bool GetValueFor(Accessible* aAccessible, PRInt32* aValue);
     virtual void ExposeValue(nsIPersistentProperties* aAttributes,
                              const PRInt32& aValue);
 
   private:
     PRInt32 GetFontWeight(nsIFrame* aFrame);
   };
 
+  /**
+   * Class is used for the work with 'auto-generated' text attribute.
+   */
+  class AutoGeneratedTextAttr : public TTextAttr<bool>
+  {
+  public:
+    AutoGeneratedTextAttr(HyperTextAccessible* aHyperTextAcc,
+                          Accessible* aAccessible);
+    virtual ~AutoGeneratedTextAttr() { }
+
+  protected:
+    // TextAttr
+    virtual bool GetValueFor(Accessible* aAccessible, bool* aValue);
+    virtual void ExposeValue(nsIPersistentProperties* aAttributes,
+                             const bool& aValue);
+  };
+
 
   /**
    * TextDecorTextAttr class is used for the work with
    * "text-line-through-style", "text-line-through-color",
    * "text-underline-style" and "text-underline-color" text attributes.
    */
 
   class TextDecorValue
@@ -370,17 +386,17 @@ protected:
   {
   public:
     TextDecorTextAttr(nsIFrame* aRootFrame, nsIFrame* aFrame);
     virtual ~TextDecorTextAttr() { }
 
   protected:
 
     // TextAttr
-    virtual bool GetValueFor(nsIContent* aElm, TextDecorValue* aValue);
+    virtual bool GetValueFor(Accessible* aAccessible, TextDecorValue* aValue);
     virtual void ExposeValue(nsIPersistentProperties* aAttributes,
                              const TextDecorValue& aValue);
   };
 
   /**
    * Class is used for the work with "text-position" text attribute.
    */
 
@@ -395,17 +411,17 @@ protected:
   {
   public:
     TextPosTextAttr(nsIFrame* aRootFrame, nsIFrame* aFrame);
     virtual ~TextPosTextAttr() { }
 
   protected:
 
     // TextAttr
-    virtual bool GetValueFor(nsIContent* aElm, TextPosValue* aValue);
+    virtual bool GetValueFor(Accessible* aAccessible, TextPosValue* aValue);
     virtual void ExposeValue(nsIPersistentProperties* aAttributes,
                              const TextPosValue& aValue);
 
   private:
     TextPosValue GetTextPosValue(nsIFrame* aFrame) const;
   };
 
 }; // TextAttrMgr

--- a/accessible/src/base/TextUpdater.h
+++ b/accessible/src/base/TextUpdater.h
@@ -1,36 +1,37 @@
 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
 /* This Source Code Form is subject to the terms of the Mozilla Public
  * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
 
-#ifndef TextUpdater_h_
-#define TextUpdater_h_
+#ifndef mozilla_a11y_TextUpdater_h__
+#define mozilla_a11y_TextUpdater_h__
 
 #include "AccEvent.h"
 #include "HyperTextAccessible.h"
 
+namespace mozilla {
+namespace a11y {
+
 /**
  * Used to find a difference between old and new text and fire text change
  * events.
  */
 class TextUpdater
 {
 public:
   /**
    * Start text of the text leaf update.
    */
-  static void Run(DocAccessible* aDocument,
-                  mozilla::a11y::TextLeafAccessible* aTextLeaf,
+  static void Run(DocAccessible* aDocument, TextLeafAccessible* aTextLeaf,
                   const nsAString& aNewText);
 
 private:
-  TextUpdater(DocAccessible* aDocument,
-              mozilla::a11y::TextLeafAccessible* aTextLeaf) :
+  TextUpdater(DocAccessible* aDocument, TextLeafAccessible* aTextLeaf) :
     mDocument(aDocument), mTextLeaf(aTextLeaf), mHyperText(nsnull),
     mTextOffset(-1) { }
 
   ~TextUpdater()
     { mDocument = nsnull; mTextLeaf = nsnull; mHyperText = nsnull; }
 
   /**
    * Update text of the text leaf accessible, fire text change and value change
@@ -79,14 +80,17 @@ private:
   /**
    * The constant used to skip string difference calculation in case of long
    * strings.
    */
   const static PRUint32 kMaxStrLen = 1 << 6;
 
 private:
   DocAccessible* mDocument;
-  mozilla::a11y::TextLeafAccessible* mTextLeaf;
+  TextLeafAccessible* mTextLeaf;
   HyperTextAccessible* mHyperText;
   PRInt32 mTextOffset;
 };
 
+} // namespace a11y
+} // namespace mozilla
+
 #endif

--- a/accessible/src/base/nsARIAMap.cpp
+++ b/accessible/src/base/nsARIAMap.cpp
@@ -30,550 +30,550 @@ using namespace mozilla::a11y::aria;
  *  In addition, in MSAA, the unmapped role will also be exposed as a BSTR string role.
  *
  *  There are no nsIAccessibleRole enums for the following landmark roles:
  *    banner, contentinfo, main, navigation, note, search, secondary, seealso, breadcrumbs
  */
 
 static nsRoleMapEntry sWAIRoleMaps[] =
 {
-  {
-    "alert",
+  { // alert
+    &nsGkAtoms::alert,
     roles::ALERT,
     kUseMapRole,
     eNoValue,
     eNoAction,
     eNoLiveAttr,
     kNoReqStates
   },
-  {
-    "alertdialog",
+  { // alertdialog
+    &nsGkAtoms::alertdialog,
     roles::DIALOG,
     kUseMapRole,
     eNoValue,
     eNoAction,
     eNoLiveAttr,
     kNoReqStates
   },
-  {
-    "application",
+  { // application
+    &nsGkAtoms::application,
     roles::APPLICATION,
     kUseMapRole,
     eNoValue,
     eNoAction,
     eNoLiveAttr,
     kNoReqStates
   },
-  {
-    "article",
+  { // article
+    &nsGkAtoms::article,
     roles::DOCUMENT,
     kUseMapRole,
     eNoValue,
     eNoAction,
     eNoLiveAttr,
     kNoReqStates,
     eReadonlyUntilEditable
   },
-  {
-    "button",
+  { // button
+    &nsGkAtoms::button,
     roles::PUSHBUTTON,
     kUseMapRole,
     eNoValue,
     ePressAction,
     eNoLiveAttr,
     kNoReqStates,
     eARIAPressed
   },
-  {
-    "checkbox",
+  { // checkbox
+    &nsGkAtoms::checkbox,
     roles::CHECKBUTTON,
     kUseMapRole,
     eNoValue,
     eCheckUncheckAction,
     eNoLiveAttr,
     kNoReqStates,
     eARIACheckableMixed,
     eARIAReadonly
   },
-  {
-    "columnheader",
+  { // columnheader
+    &nsGkAtoms::columnheader,
     roles::COLUMNHEADER,
     kUseMapRole,
     eNoValue,
     eSortAction,
     eNoLiveAttr,
     kNoReqStates,
     eARIASelectable,
     eARIAReadonly
   },
-  {
-    "combobox",
+  { // combobox
+    &nsGkAtoms::combobox,
     roles::COMBOBOX,
     kUseMapRole,
     eNoValue,
     eOpenCloseAction,
     eNoLiveAttr,
     states::COLLAPSED | states::HASPOPUP,
     eARIAAutoComplete,
     eARIAReadonly
   },
-  {
-    "dialog",
+  { // dialog
+    &nsGkAtoms::dialog,
     roles::DIALOG,
     kUseMapRole,
     eNoValue,
     eNoAction,
     eNoLiveAttr,
     kNoReqStates
   },
-  {
-    "directory",
+  { // directory
+    &nsGkAtoms::directory,
     roles::LIST,
     kUseMapRole,
     eNoValue,
     eNoAction,
     eNoLiveAttr,
     kNoReqStates
   },
-  {
-    "document",
+  { // document
+    &nsGkAtoms::document,
     roles::DOCUMENT,
     kUseMapRole,
     eNoValue,
     eNoAction,
     eNoLiveAttr,
     kNoReqStates,
     eReadonlyUntilEditable
   },
-  {
-    "form",
+  { // form
+    &nsGkAtoms::form,
     roles::FORM,
     kUseMapRole,
     eNoValue,
     eNoAction,
     eNoLiveAttr,
     kNoReqStates
   },
-  {
-    "grid",
+  { // grid
+    &nsGkAtoms::grid,
     roles::TABLE,
     kUseMapRole,
     eNoValue,
     eNoAction,
     eNoLiveAttr,
     states::FOCUSABLE,
     eARIAMultiSelectable,
     eARIAReadonly
   },
-  {
-    "gridcell",
+  { // gridcell
+    &nsGkAtoms::gridcell,
     roles::GRID_CELL,
     kUseMapRole,
     eNoValue,
     eNoAction,
     eNoLiveAttr,
     kNoReqStates,
     eARIASelectable,
     eARIAReadonly
   },
-  {
-    "group",
+  { // group
+    &nsGkAtoms::group,
     roles::GROUPING,
     kUseMapRole,
     eNoValue,
     eNoAction,
     eNoLiveAttr,
     kNoReqStates
   },
-  {
-    "heading",
+  { // heading
+    &nsGkAtoms::heading,
     roles::HEADING,
     kUseMapRole,
     eNoValue,
     eNoAction,
     eNoLiveAttr,
     kNoReqStates
   },
-  {
-    "img",
+  { // img
+    &nsGkAtoms::img,
     roles::GRAPHIC,
     kUseMapRole,
     eNoValue,
     eNoAction,
     eNoLiveAttr,
     kNoReqStates
   },
-  {
-    "link",
+  { // link
+    &nsGkAtoms::link,
     roles::LINK,
     kUseMapRole,
     eNoValue,
     eJumpAction,
     eNoLiveAttr,
     states::LINKED
   },
-  {
-    "list",
+  { // list
+    &nsGkAtoms::list,
     roles::LIST,
     kUseMapRole,
     eNoValue,
     eNoAction,
     eNoLiveAttr,
     states::READONLY
   },
-  {
-    "listbox",
+  { // listbox
+    &nsGkAtoms::listbox,
     roles::LISTBOX,
     kUseMapRole,
     eNoValue,
     eNoAction,
     eNoLiveAttr,
     kNoReqStates,
     eARIAMultiSelectable,
     eARIAReadonly
   },
-  {
-    "listitem",
+  { // listitem
+    &nsGkAtoms::listitem,
     roles::LISTITEM,
     kUseMapRole,
     eNoValue,
     eNoAction, // XXX: should depend on state, parent accessible
     eNoLiveAttr,
     states::READONLY
   },
-  {
-    "log",
+  { // log
+    &nsGkAtoms::log_,
     roles::NOTHING,
     kUseNativeRole,
     eNoValue,
     eNoAction,
     ePoliteLiveAttr,
     kNoReqStates
   },
-  {
-    "marquee",
+  { // marquee
+    &nsGkAtoms::marquee,
     roles::ANIMATION,
     kUseMapRole,
     eNoValue,
     eNoAction,
     eOffLiveAttr,
     kNoReqStates
   },
-  {
-    "math",
+  { // math
+    &nsGkAtoms::math,
     roles::FLAT_EQUATION,
     kUseMapRole,
     eNoValue,
     eNoAction,
     eNoLiveAttr,
     kNoReqStates
   },
-  {
-    "menu",
+  { // menu
+    &nsGkAtoms::menu,
     roles::MENUPOPUP,
     kUseMapRole,
     eNoValue,
     eNoAction, // XXX: technically accessibles of menupopup role haven't
                // any action, but menu can be open or close.
     eNoLiveAttr,
     kNoReqStates
   },
-  {
-    "menubar",
+  { // menubar
+    &nsGkAtoms::menubar,
     roles::MENUBAR,
     kUseMapRole,
     eNoValue,
     eNoAction,
     eNoLiveAttr,
     kNoReqStates
   },
-  {
-    "menuitem",
+  { // menuitem
+    &nsGkAtoms::menuitem,
     roles::MENUITEM,
     kUseMapRole,
     eNoValue,
     eClickAction,
     eNoLiveAttr,
     kNoReqStates,
     eARIACheckedMixed
   },
-  {
-    "menuitemcheckbox",
+  { // menuitemcheckbox
+    &nsGkAtoms::menuitemcheckbox,
     roles::CHECK_MENU_ITEM,
     kUseMapRole,
     eNoValue,
     eClickAction,
     eNoLiveAttr,
     kNoReqStates,
     eARIACheckableMixed
   },
-  {
-    "menuitemradio",
+  { // menuitemradio
+    &nsGkAtoms::menuitemradio,
     roles::RADIO_MENU_ITEM,
     kUseMapRole,
     eNoValue,
     eClickAction,
     eNoLiveAttr,
     kNoReqStates,
     eARIACheckableBool
   },
-  {
-    "note",
+  { // note
+    &nsGkAtoms::note_,
     roles::NOTE,
     kUseMapRole,
     eNoValue,
     eNoAction,
     eNoLiveAttr,
     kNoReqStates
   },
-  {
-    "option",
+  { // option
+    &nsGkAtoms::option,
     roles::OPTION,
     kUseMapRole,
     eNoValue,
     eSelectAction,
     eNoLiveAttr,
     kNoReqStates,
     eARIASelectable,
     eARIACheckedMixed
   },
-  {
-    "presentation",
+  { // presentation
+    &nsGkAtoms::presentation,
     roles::NOTHING,
     kUseMapRole,
     eNoValue,
     eNoAction,
     eNoLiveAttr,
     kNoReqStates
   },
-  {
-    "progressbar",
+  { // progressbar
+    &nsGkAtoms::progressbar,
     roles::PROGRESSBAR,
     kUseMapRole,
     eHasValueMinMax,
     eNoAction,
     eNoLiveAttr,
     states::READONLY,
     eIndeterminateIfNoValue
   },
-  {
-    "radio",
+  { // radio
+    &nsGkAtoms::radio,
     roles::RADIOBUTTON,
     kUseMapRole,
     eNoValue,
     eSelectAction,
     eNoLiveAttr,
     kNoReqStates,
     eARIACheckableBool
   },
-  {
-    "radiogroup",
+  { // radiogroup
+    &nsGkAtoms::radiogroup,
     roles::GROUPING,
     kUseMapRole,
     eNoValue,
     eNoAction,
     eNoLiveAttr,
     kNoReqStates
   },
-  {
-    "region",
+  { // region
+    &nsGkAtoms::region,
     roles::PANE,
     kUseMapRole,
     eNoValue,
     eNoAction,
     eNoLiveAttr,
     kNoReqStates
   },
-  {
-    "row",
+  { // row
+    &nsGkAtoms::row,
     roles::ROW,
     kUseMapRole,
     eNoValue,
     eNoAction,
     eNoLiveAttr,
     kNoReqStates,
     eARIASelectable
   },
-  {
-    "rowheader",
+  { // rowheader
+    &nsGkAtoms::rowheader,
     roles::ROWHEADER,
     kUseMapRole,
     eNoValue,
     eSortAction,
     eNoLiveAttr,
     kNoReqStates,
     eARIASelectable,
     eARIAReadonly
   },
-  {
-    "scrollbar",
+  { // scrollbar
+    &nsGkAtoms::scrollbar,
     roles::SCROLLBAR,
     kUseMapRole,
     eHasValueMinMax,
     eNoAction,
     eNoLiveAttr,
     kNoReqStates,
     eARIAOrientation,
     eARIAReadonly
   },
-  {
-    "separator",
+  { // separator
+    &nsGkAtoms::separator_,
     roles::SEPARATOR,
     kUseMapRole,
     eNoValue,
     eNoAction,
     eNoLiveAttr,
     kNoReqStates,
     eARIAOrientation
   },
-  {
-    "slider",
+  { // slider
+    &nsGkAtoms::slider,
     roles::SLIDER,
     kUseMapRole,
     eHasValueMinMax,
     eNoAction,
     eNoLiveAttr,
     kNoReqStates,
     eARIAOrientation,
     eARIAReadonly
   },
-  {
-    "spinbutton",
+  { // spinbutton
+    &nsGkAtoms::spinbutton,
     roles::SPINBUTTON,
     kUseMapRole,
     eHasValueMinMax,
     eNoAction,
     eNoLiveAttr,
     kNoReqStates,
     eARIAReadonly
   },
-  {
-    "status",
+  { // status
+    &nsGkAtoms::status,
     roles::STATUSBAR,
     kUseMapRole,
     eNoValue,
     eNoAction,
     ePoliteLiveAttr,
     kNoReqStates
   },
-  {
-    "tab",
+  { // tab
+    &nsGkAtoms::tab,
     roles::PAGETAB,
     kUseMapRole,
     eNoValue,
     eSwitchAction,
     eNoLiveAttr,
     kNoReqStates,
     eARIASelectable
   },
-  {
-    "tablist",
+  { // tablist
+    &nsGkAtoms::tablist,
     roles::PAGETABLIST,
     kUseMapRole,
     eNoValue,
     eNoAction,
     ePoliteLiveAttr,
     kNoReqStates
   },
-  {
-    "tabpanel",
+  { // tabpanel
+    &nsGkAtoms::tabpanel,
     roles::PROPERTYPAGE,
     kUseMapRole,
     eNoValue,
     eNoAction,
     eNoLiveAttr,
     kNoReqStates
   },
-  {
-    "textbox",
+  { // textbox
+    &nsGkAtoms::textbox,
     roles::ENTRY,
     kUseMapRole,
     eNoValue,
     eActivateAction,
     eNoLiveAttr,
     kNoReqStates,
     eARIAAutoComplete,
     eARIAMultiline,
     eARIAReadonlyOrEditable
   },
-  {
-    "timer",
+  { // timer
+    &nsGkAtoms::timer,
     roles::NOTHING,
     kUseNativeRole,
     eNoValue,
     eNoAction,
     eOffLiveAttr,
     kNoReqStates
   },
-  {
-    "toolbar",
+  { // toolbar
+    &nsGkAtoms::toolbar,
     roles::TOOLBAR,
     kUseMapRole,
     eNoValue,
     eNoAction,
     eNoLiveAttr,
     kNoReqStates
   },
-  {
-    "tooltip",
+  { // tooltip
+    &nsGkAtoms::tooltip,
     roles::TOOLTIP,
     kUseMapRole,
     eNoValue,
     eNoAction,
     eNoLiveAttr,
     kNoReqStates
   },
-  {
-    "tree",
+  { // tree
+    &nsGkAtoms::tree,
     roles::OUTLINE,
     kUseMapRole,
     eNoValue,
     eNoAction,
     eNoLiveAttr,
     kNoReqStates,
     eARIAReadonly,
     eARIAMultiSelectable
   },
-  {
-    "treegrid",
+  { // treegrid
+    &nsGkAtoms::treegrid,
     roles::TREE_TABLE,
     kUseMapRole,
     eNoValue,
     eNoAction,
     eNoLiveAttr,
     kNoReqStates,
     eARIAReadonly,
     eARIAMultiSelectable
   },
-  {
-    "treeitem",
+  { // treeitem
+    &nsGkAtoms::treeitem,
     roles::OUTLINEITEM,
     kUseMapRole,
     eNoValue,
     eActivateAction, // XXX: should expose second 'expand/collapse' action based
                      // on states
     eNoLiveAttr,
     kNoReqStates,
     eARIASelectable,
     eARIACheckedMixed
   }
 };
 
 static nsRoleMapEntry sLandmarkRoleMap = {
-  "",
+  &nsGkAtoms::_empty,
   roles::NOTHING,
   kUseNativeRole,
   eNoValue,
   eNoAction,
   eNoLiveAttr,
   kNoReqStates
 };
 
 nsRoleMapEntry nsARIAMap::gEmptyRoleMap = {
-  "",
+  &nsGkAtoms::_empty,
   roles::NOTHING,
   kUseMapRole,
   eNoValue,
   eNoAction,
   eNoLiveAttr,
   kNoReqStates
 };
 
@@ -636,34 +636,34 @@ nsAttributeCharacteristics nsARIAMap::gW
 };
 
 PRUint32 nsARIAMap::gWAIUnivAttrMapLength = NS_ARRAY_LENGTH(nsARIAMap::gWAIUnivAttrMap);
 
 nsRoleMapEntry*
 aria::GetRoleMap(nsINode* aNode)
 {
   nsIContent* content = nsCoreUtils::GetRoleContent(aNode);
-  nsAutoString roleString;
+  nsAutoString roles;
   if (!content ||
-      !content->GetAttr(kNameSpaceID_None, nsGkAtoms::role, roleString) ||
-      roleString.IsEmpty()) {
+      !content->GetAttr(kNameSpaceID_None, nsGkAtoms::role, roles) ||
+      roles.IsEmpty()) {
     // We treat role="" as if the role attribute is absent (per aria spec:8.1.1)
     return nsnull;
   }
 
-  nsWhitespaceTokenizer tokenizer(roleString);
+  nsWhitespaceTokenizer tokenizer(roles);
   while (tokenizer.hasMoreTokens()) {
     // Do a binary search through table for the next role in role list
-    NS_LossyConvertUTF16toASCII role(tokenizer.nextToken());
+    const nsDependentSubstring role = tokenizer.nextToken();
     PRUint32 low = 0;
     PRUint32 high = ArrayLength(sWAIRoleMaps);
     while (low < high) {
       PRUint32 idx = (low + high) / 2;
-      PRInt32 compare = strcmp(role.get(), sWAIRoleMaps[idx].roleString);
-      if (compare == 0) 
+      PRInt32 compare = Compare(role, sWAIRoleMaps[idx].ARIARoleString());
+      if (compare == 0)
         return sWAIRoleMaps + idx;
 
       if (compare < 0)
         high = idx;
       else
         low = idx + 1;
     }
   }