--- a/mobile/android/app/checkstyle.xml
+++ b/mobile/android/app/checkstyle.xml
@@ -33,16 +33,20 @@
 <module name="Checker">
     <property name="charset" value="UTF-8"/>
 
     <!-- TODO: <property name="fileExtensions" value="java, properties, xml"/> -->
 
     <module name="FileTabCharacter"> <!-- No tabs! -->
         <property name="eachLine" value="true"/>
     </module>
+    <module name="RegexpSingleline"> <!-- excess whitespace -->
+        <property name="format" value="\s+$"/>
+        <property name="message" value="Trailing whitespace"/>
+    </module>
 
     <module name="TreeWalker">
         <module name="GenericWhitespace"/> <!-- whitespace for generics -->
         <module name="NoLineWrap">
             <property name="tokens" value="IMPORT,PACKAGE_DEF"/>
         </module>
         <module name="OuterTypeFilename"/> <!-- `class Lol` only in Lol.java -->
     </module>

--- a/mobile/android/base/java/org/mozilla/gecko/ActionBarTextSelection.java
+++ b/mobile/android/base/java/org/mozilla/gecko/ActionBarTextSelection.java
@@ -304,17 +304,17 @@ class ActionBarTextSelection extends Lay
     @Override
     public void onMetricsChanged(ImmutableViewportMetrics viewport) {
         mForceReposition = true;
     }
 
     private class TextSelectionActionModeCallback implements Callback {
         private JSONArray mItems;
         private ActionModeCompat mActionMode;
-    
+
         public TextSelectionActionModeCallback(JSONArray items) {
             mItems = items;
         }
 
         public void updateItems(JSONArray items) {
             mItems = items;
             if (mActionMode != null) {
                 mActionMode.invalidate();

--- a/mobile/android/base/java/org/mozilla/gecko/CrashReporter.java
+++ b/mobile/android/base/java/org/mozilla/gecko/CrashReporter.java
@@ -229,27 +229,27 @@ public class CrashReporter extends AppCo
             public void run() {
                 sendReport(mPendingMinidumpFile, mExtrasStringMap, mPendingExtrasFile);
             }
         }, "CrashReporter Thread").start();
     }
 
     private void savePrefs() {
         SharedPreferences.Editor editor = GeckoSharedPrefs.forApp(this).edit();
-                  
+
         final boolean allowContact = ((CheckBox) findViewById(R.id.allow_contact)).isChecked();
         final boolean includeUrl   = ((CheckBox) findViewById(R.id.include_url)).isChecked();
         final boolean sendReport   = ((CheckBox) findViewById(R.id.send_report)).isChecked();
         final String contactEmail  = ((EditText) findViewById(R.id.email)).getText().toString();
-                   
+
         editor.putBoolean(PREFS_ALLOW_CONTACT, allowContact);
         editor.putBoolean(PREFS_INCLUDE_URL, includeUrl);
         editor.putBoolean(PREFS_SEND_REPORT, sendReport);
         editor.putString(PREFS_CONTACT_EMAIL, contactEmail);
-                    
+
         // A slight performance improvement via async apply() vs. blocking on commit().
         editor.apply();
     }
 
     public void onCloseClick(View v) {  // bound via crash_reporter.xml
         backgroundSendReport();
     }
 

--- a/mobile/android/base/java/org/mozilla/gecko/FormAssistPopup.java
+++ b/mobile/android/base/java/org/mozilla/gecko/FormAssistPopup.java
@@ -193,17 +193,17 @@ public class FormAssistPopup extends Rel
             // we don't look for swipes.
             mAutoCompleteList.setOnScrollListener(touchListener.makeScrollListener());
 
             // Setting this recycler listener is required to make sure animated views are reset.
             mAutoCompleteList.setRecyclerListener(touchListener.makeRecyclerListener());
 
             addView(mAutoCompleteList);
         }
-        
+
         AutoCompleteListAdapter adapter = new AutoCompleteListAdapter(mContext, R.layout.autocomplete_list_item);
         adapter.populateSuggestionsList(suggestions);
         mAutoCompleteList.setAdapter(adapter);
 
         if (setGeckoPositionData(rect, true)) {
             positionAndShowPopup();
         }
     }

--- a/mobile/android/base/java/org/mozilla/gecko/GeckoApplication.java
+++ b/mobile/android/base/java/org/mozilla/gecko/GeckoApplication.java
@@ -23,17 +23,17 @@ import org.mozilla.gecko.lwt.Lightweight
 import org.mozilla.gecko.mdns.MulticastDNSManager;
 import org.mozilla.gecko.util.Clipboard;
 import org.mozilla.gecko.util.HardwareUtils;
 import org.mozilla.gecko.util.ThreadUtils;
 
 import java.io.File;
 import java.lang.reflect.Method;
 
-public class GeckoApplication extends Application 
+public class GeckoApplication extends Application
     implements ContextGetter {
     private static final String LOG_TAG = "GeckoApplication";
 
     private static volatile GeckoApplication instance;
 
     private boolean mInBackground;
     private boolean mPausedGecko;
 
@@ -105,17 +105,17 @@ public class GeckoApplication extends Ap
         mInBackground = true;
 
         if ((activity.isFinishing() == false) &&
             (activity.isGeckoActivityOpened() == false)) {
             // Notify Gecko that we are pausing; the cache service will be
             // shutdown, closing the disk cache cleanly. If the android
             // low memory killer subsequently kills us, the disk cache will
             // be left in a consistent state, avoiding costly cleanup and
-            // re-creation. 
+            // re-creation.
             GeckoThread.onPause();
             mPausedGecko = true;
 
             final BrowserDB db = GeckoProfile.get(this).getDB();
             ThreadUtils.postToBackgroundThread(new Runnable() {
                 @Override
                 public void run() {
                     db.expireHistory(getContentResolver(), BrowserContract.ExpirePriority.NORMAL);

--- a/mobile/android/base/java/org/mozilla/gecko/GeckoProfile.java
+++ b/mobile/android/base/java/org/mozilla/gecko/GeckoProfile.java
@@ -87,17 +87,17 @@ public final class GeckoProfile {
     private final Context mApplicationContext;
 
     private final BrowserDB mDB;
 
     /**
      * Access to this member should be synchronized to avoid
      * races during creation -- particularly between getDir and GeckoView#init.
      *
-     * Not final because this is lazily computed. 
+     * Not final because this is lazily computed.
      */
     private File mProfileDir;
 
     // Caches whether or not a profile is "locked".
     // Only used by the guest profile to determine if it should be reused or
     // deleted on startup.
     // These are volatile for an incremental improvement in thread safety,
     // but this is not a complete solution for concurrency.

--- a/mobile/android/base/java/org/mozilla/gecko/GeckoSmsManager.java
+++ b/mobile/android/base/java/org/mozilla/gecko/GeckoSmsManager.java
@@ -934,17 +934,17 @@ public class GeckoSmsManager
           }
 
           if (mNumbersCount > 0) {
             formatter.format("address IN ('%s'", mNumbers[0]);
 
             for (int i = 1; i < mNumbersCount; ++i) {
               formatter.format(", '%s'", mNumbers[i]);
             }
-            
+
             formatter.format(") AND ");
           }
 
           if (mDelivery == null || mDelivery.isEmpty()) {
             formatter.format("type IN ('%d', '%d') AND ", kSmsTypeSentbox, kSmsTypeInbox);
           } else if (mDelivery.equals("sent")) {
             formatter.format("type = '%d' AND ", kSmsTypeSentbox);
           } else if (mDelivery.equals("received")) {

--- a/mobile/android/base/java/org/mozilla/gecko/GeckoView.java
+++ b/mobile/android/base/java/org/mozilla/gecko/GeckoView.java
@@ -632,38 +632,38 @@ public class GeckoView extends LayerView
         * Tell the host application to display an alert dialog.
         * @param view The GeckoView that initiated the callback.
         * @param browser The Browser that is loading the content.
         * @param message The string to display in the dialog.
         * @param result A PromptResult used to send back the result without blocking.
         * Defaults to cancel requests.
         */
         public void onAlert(GeckoView view, GeckoView.Browser browser, String message, GeckoView.PromptResult result);
-    
+
         /**
         * Tell the host application to display a confirmation dialog.
         * @param view The GeckoView that initiated the callback.
         * @param browser The Browser that is loading the content.
         * @param message The string to display in the dialog.
         * @param result A PromptResult used to send back the result without blocking.
         * Defaults to cancel requests.
         */
         public void onConfirm(GeckoView view, GeckoView.Browser browser, String message, GeckoView.PromptResult result);
-    
+
         /**
         * Tell the host application to display an input prompt dialog.
         * @param view The GeckoView that initiated the callback.
         * @param browser The Browser that is loading the content.
         * @param message The string to display in the dialog.
         * @param defaultValue The string to use as default input.
         * @param result A PromptResult used to send back the result without blocking.
         * Defaults to cancel requests.
         */
         public void onPrompt(GeckoView view, GeckoView.Browser browser, String message, String defaultValue, GeckoView.PromptResult result);
-    
+
         /**
         * Tell the host application to display a remote debugging request dialog.
         * @param view The GeckoView that initiated the callback.
         * @param result A PromptResult used to send back the result without blocking.
         * Defaults to cancel requests.
         */
         public void onDebugRequest(GeckoView view, GeckoView.PromptResult result);
 
@@ -680,17 +680,17 @@ public class GeckoView extends LayerView
     public interface ContentDelegate {
         /**
         * A Browser has started loading content from the network.
         * @param view The GeckoView that initiated the callback.
         * @param browser The Browser that is loading the content.
         * @param url The resource being loaded.
         */
         public void onPageStart(GeckoView view, GeckoView.Browser browser, String url);
-    
+
         /**
         * A Browser has finished loading content from the network.
         * @param view The GeckoView that initiated the callback.
         * @param browser The Browser that was loading the content.
         * @param success Whether the page loaded successfully or an error occurred.
         */
         public void onPageStop(GeckoView view, GeckoView.Browser browser, boolean success);
 

--- a/mobile/android/base/java/org/mozilla/gecko/TextSelectionHandle.java
+++ b/mobile/android/base/java/org/mozilla/gecko/TextSelectionHandle.java
@@ -48,17 +48,17 @@ class TextSelectionHandle extends ImageV
 
     private final HandleType mHandleType;
     private final int mWidth;
     private final int mHeight;
     private final int mShadow;
 
     private float mLeft;
     private float mTop;
-    private boolean mIsRTL; 
+    private boolean mIsRTL;
     private PointF mGeckoPoint;
     private PointF mTouchStart;
 
     private RelativeLayout.LayoutParams mLayoutParams;
 
     private static final int IMAGE_LEVEL_LTR = 0;
     private static final int IMAGE_LEVEL_RTL = 1;
 

--- a/mobile/android/base/java/org/mozilla/gecko/animation/PropertyAnimator.java
+++ b/mobile/android/base/java/org/mozilla/gecko/animation/PropertyAnimator.java
@@ -105,17 +105,17 @@ public class PropertyAnimator implements
         int timePassed = (int) (AnimationUtils.currentAnimationTimeMillis() - mStartTime);
         if (timePassed >= mDuration) {
             stop();
             return;
         }
 
         float interpolation = mInterpolator.getInterpolation(timePassed * mDurationReciprocal);
 
-        for (ElementHolder element : mElementsList) { 
+        for (ElementHolder element : mElementsList) {
             float delta = element.from + ((element.to - element.from) * interpolation);
             invalidate(element, delta);
         }
 
         mFramePoster.postNextAnimationFrame();
     }
 
     public void start() {

--- a/mobile/android/base/java/org/mozilla/gecko/db/SQLiteBridgeContentProvider.java
+++ b/mobile/android/base/java/org/mozilla/gecko/db/SQLiteBridgeContentProvider.java
@@ -152,17 +152,17 @@ public abstract class SQLiteBridgeConten
         // call to Gecko. Gecko will handle building the database file correctly, as well as any
         // migrations that are necessary
         if (dbNeedsSetup) {
             bridge = null;
             initGecko();
         }
         return bridge;
     }
-    
+
     /**
      * Returns the absolute path of a database file depending on the specified profile and dbName.
      * @param profile
      *          the profile whose dbPath must be returned
      * @param dbName
      *          the name of the db file whose absolute path must be returned
      * @return the absolute path of the db file or <code>null</code> if it was not possible to retrieve a valid path
      *
@@ -178,17 +178,17 @@ public abstract class SQLiteBridgeConten
         return databasePath;
     }
 
     /**
      * Returns a SQLiteBridge object according to the specified profile id and to the name of db related to the
      * current provider instance.
      * @param profile
      *          the id of the profile to be used to retrieve the related SQLiteBridge
-     * @return the <code>SQLiteBridge</code> related to the specified profile id or <code>null</code> if it was 
+     * @return the <code>SQLiteBridge</code> related to the specified profile id or <code>null</code> if it was
      *         not possible to retrieve a valid SQLiteBridge
      */
     private SQLiteBridge getDatabaseForProfile(String profile) {
         if (TextUtils.isEmpty(profile)) {
             profile = GeckoProfile.get(mContext).getName();
             Log.d(mLogTag, "No profile provided, using '" + profile + "'");
         }
 
@@ -197,17 +197,17 @@ public abstract class SQLiteBridgeConten
 
         SQLiteBridge db = null;
         synchronized (this) {
             db = mDatabasePerProfile.get(mapKey);
             if (db != null) {
                 return db;
             }
             final String dbPath = getDatabasePathForProfile(profile, dbName);
-            if (dbPath == null) {   
+            if (dbPath == null) {
                 Log.e(mLogTag, "Failed to get a valid db path for profile '" + profile + "'' dbName '" + dbName + "'");
                 return null;
             }
             db = getDB(mContext, dbPath);
             if (db != null) {
                 mDatabasePerProfile.put(mapKey, db);
             }
         }
@@ -227,17 +227,17 @@ public abstract class SQLiteBridgeConten
         final String dbPath = profileDir.getPath();
         return getDatabaseForDBPath(dbPath);
     }
 
     /**
      * Returns a SQLiteBridge object according to the specified file path.
      * @param dbPath
      *          the path of the file to be used to retrieve the related SQLiteBridge
-     * @return the <code>SQLiteBridge</code> related to the specified file path or <code>null</code> if it was  
+     * @return the <code>SQLiteBridge</code> related to the specified file path or <code>null</code> if it was
      *         not possible to retrieve a valid <code>SQLiteBridge</code>
      *
      */
     private SQLiteBridge getDatabaseForDBPath(String dbPath) {
         SQLiteBridge db = null;
         synchronized (this) {
             db = mDatabasePerProfile.get(dbPath);
             if (db != null) {
@@ -250,17 +250,17 @@ public abstract class SQLiteBridgeConten
         }
         return db;
     }
 
     /**
      * Returns a SQLiteBridge object to be used to perform operations on the given <code>Uri</code>.
      * @param uri
      *          the <code>Uri</code> to be used to retrieve the related SQLiteBridge
-     * @return a <code>SQLiteBridge</code> object to be used on the given uri or <code>null</code> if it was 
+     * @return a <code>SQLiteBridge</code> object to be used on the given uri or <code>null</code> if it was
      *         not possible to retrieve a valid <code>SQLiteBridge</code>
      *
      */
     private SQLiteBridge getDatabase(Uri uri) {
         String profile = null;
         String profilePath = null;
 
         profile = uri.getQueryParameter(BrowserContract.PARAM_PROFILE);

--- a/mobile/android/base/java/org/mozilla/gecko/distribution/Distribution.java
+++ b/mobile/android/base/java/org/mozilla/gecko/distribution/Distribution.java
@@ -562,17 +562,17 @@ public class Distribution {
         // We record HTTP statuses as 2xx, 3xx, 4xx, 5xx => 2, 3, 4, 5.
         final int value;
         if (status > 599 || status < 100) {
             Log.wtf(LOGTAG, "Unexpected HTTP status code: " + status);
             value = CODE_CATEGORY_STATUS_OUT_OF_RANGE;
         } else {
             value = status / 100;
         }
-        
+
         Telemetry.addToHistogram(HISTOGRAM_CODE_CATEGORY, value);
 
         if (status != 200) {
             Log.w(LOGTAG, "Got status " + status + " fetching distribution.");
             Telemetry.addToHistogram(HISTOGRAM_CODE_CATEGORY, CODE_CATEGORY_FETCH_NON_SUCCESS_RESPONSE);
             return null;
         }
 

--- a/mobile/android/base/java/org/mozilla/gecko/gfx/DisplayPortCalculator.java
+++ b/mobile/android/base/java/org/mozilla/gecko/gfx/DisplayPortCalculator.java
@@ -375,17 +375,17 @@ final class DisplayPortCalculator {
             if (velocity.x > VELOCITY_THRESHOLD) {
                 margins.left = xAmount * REVERSE_BUFFER;
             } else if (velocity.x < -VELOCITY_THRESHOLD) {
                 margins.left = xAmount * (1.0f - REVERSE_BUFFER);
             } else {
                 margins.left = xAmount / 2.0f;
             }
             margins.right = xAmount - margins.left;
-    
+
             if (velocity.y > VELOCITY_THRESHOLD) {
                 margins.top = yAmount * REVERSE_BUFFER;
             } else if (velocity.y < -VELOCITY_THRESHOLD) {
                 margins.top = yAmount * (1.0f - REVERSE_BUFFER);
             } else {
                 margins.top = yAmount / 2.0f;
             }
             margins.bottom = yAmount - margins.top;

--- a/mobile/android/base/java/org/mozilla/gecko/gfx/TextureGenerator.java
+++ b/mobile/android/base/java/org/mozilla/gecko/gfx/TextureGenerator.java
@@ -62,16 +62,16 @@ public class TextureGenerator {
         int[] textures = new int[numNeeded];
         GLES20.glGenTextures(numNeeded, textures, 0);
 
         error = GLES20.glGetError();
         if (error != GLES20.GL_NO_ERROR) {
             Log.e(LOGTAG, String.format("Failed to generate textures: %#x", error), new Exception());
             return;
         }
-        
+
         for (int i = 0; i < numNeeded; i++) {
             mTextureIds.offer(textures[i]);
         }
     }
 }
 
 

--- a/mobile/android/base/java/org/mozilla/gecko/lwt/LightweightTheme.java
+++ b/mobile/android/base/java/org/mozilla/gecko/lwt/LightweightTheme.java
@@ -47,17 +47,17 @@ public class LightweightTheme implements
 
     private final Application mApplication;
 
     private Bitmap mBitmap;
     private int mColor;
     private boolean mIsLight;
 
     public static interface OnChangeListener {
-        // The View should change its background/text color. 
+        // The View should change its background/text color.
         public void onLightweightThemeChanged();
 
         // The View should reset to its default background/text color.
         public void onLightweightThemeReset();
     }
 
     private final List<OnChangeListener> mListeners;
 

--- a/mobile/android/base/java/org/mozilla/gecko/menu/GeckoMenu.java
+++ b/mobile/android/base/java/org/mozilla/gecko/menu/GeckoMenu.java
@@ -29,17 +29,17 @@ import android.widget.BaseAdapter;
 import android.widget.LinearLayout;
 import android.widget.ListView;
 
 import java.util.ArrayList;
 import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
 
-public class GeckoMenu extends ListView 
+public class GeckoMenu extends ListView
                        implements Menu,
                                   AdapterView.OnItemClickListener,
                                   GeckoMenuItem.OnShowAsActionChangedListener {
     private static final String LOGTAG = "GeckoMenu";
 
     /**
      * Controls whether off-UI-thread method calls in this class cause an
      * exception or just logging.
@@ -71,17 +71,17 @@ public class GeckoMenu extends ListView
 
         // Close the menu.
         public void closeMenu();
     }
 
     /*
      * An interface for a presenter of action-items.
      * Either an Activity or a View can be a presenter, that can watch for events
-     * and add/remove action-items. If not ActionItemBarPresenter, the menu uses a 
+     * and add/remove action-items. If not ActionItemBarPresenter, the menu uses a
      * DefaultActionItemBar, that shows the action-items as a header over list-view.
      */
     public static interface ActionItemBarPresenter {
         // Add an action-item.
         public boolean addActionItem(View actionItem);
 
         // Remove an action-item.
         public void removeActionItem(View actionItem);
@@ -504,17 +504,17 @@ public class GeckoMenu extends ListView
         // Remove it from own menu.
         if (mPrimaryActionItems.containsKey(item)) {
             if (mPrimaryActionItemBar != null)
                 mPrimaryActionItemBar.removeActionItem(mPrimaryActionItems.get(item));
 
             mPrimaryActionItems.remove(item);
             mItems.remove(item);
 
-            if (mPrimaryActionItems.size() == 0 && 
+            if (mPrimaryActionItems.size() == 0 &&
                 mPrimaryActionItemBar instanceof DefaultActionItemBar) {
                 removePrimaryActionBarView();
             }
 
             return;
         }
 
         if (mSecondaryActionItems.containsKey(item)) {
@@ -835,17 +835,17 @@ public class GeckoMenu extends ListView
                         listView.performItemClick(actionView, pos + listView.getHeaderViewsCount(), id);
                     }
                 });
             }
 
             // Initialize the view.
             view.setShowIcon(mShowIcons);
             view.initialize(item);
-            return (View) view; 
+            return (View) view;
         }
 
         @Override
         public int getItemViewType(int position) {
             return getItem(position).getGeckoActionProvider() == null ? VIEW_TYPE_DEFAULT : VIEW_TYPE_ACTION_MODE;
         }
 
         @Override

--- a/mobile/android/base/java/org/mozilla/gecko/menu/GeckoSubMenu.java
+++ b/mobile/android/base/java/org/mozilla/gecko/menu/GeckoSubMenu.java
@@ -6,17 +6,17 @@ package org.mozilla.gecko.menu;
 
 import android.content.Context;
 import android.graphics.drawable.Drawable;
 import android.util.AttributeSet;
 import android.view.MenuItem;
 import android.view.SubMenu;
 import android.view.View;
 
-public class GeckoSubMenu extends GeckoMenu 
+public class GeckoSubMenu extends GeckoMenu
                           implements SubMenu {
     private static final String LOGTAG = "GeckoSubMenu";
 
     // MenuItem associated with this submenu.
     private MenuItem mMenuItem;
 
     public GeckoSubMenu(Context context) {
         super(context);
@@ -60,17 +60,17 @@ public class GeckoSubMenu extends GeckoM
     }
 
     @Override
     public SubMenu setHeaderTitle(int titleRes) {
         return this;
     }
 
     @Override
-    public SubMenu setHeaderView(View view) { 
+    public SubMenu setHeaderView(View view) {
         return this;
     }
 
     @Override
     public SubMenu setIcon(Drawable icon) {
         return this;
     }
 

--- a/mobile/android/base/java/org/mozilla/gecko/menu/MenuItemDefault.java
+++ b/mobile/android/base/java/org/mozilla/gecko/menu/MenuItemDefault.java
@@ -73,17 +73,17 @@ public class MenuItemDefault extends Tex
         return drawableState;
     }
 
     @Override
     public void initialize(GeckoMenuItem item) {
         if (item == null)
             return;
 
-        setTitle(item.getTitle());        
+        setTitle(item.getTitle());
         setIcon(item.getIcon());
         setEnabled(item.isEnabled());
         setCheckable(item.isCheckable());
         setChecked(item.isChecked());
         setSubMenuIndicator(item.hasSubMenu());
     }
 
     private void refreshIcon() {

--- a/mobile/android/base/java/org/mozilla/gecko/menu/MenuPanel.java
+++ b/mobile/android/base/java/org/mozilla/gecko/menu/MenuPanel.java
@@ -11,17 +11,17 @@ import org.mozilla.gecko.R;
 import android.content.Context;
 import android.util.AttributeSet;
 import android.view.ViewGroup;
 import android.view.accessibility.AccessibilityEvent;
 import android.widget.LinearLayout;
 
 /**
  * The outer container for the custom menu. On phones with h/w menu button,
- * this is given to Android which inflates it to the right panel. On phones 
+ * this is given to Android which inflates it to the right panel. On phones
  * with s/w menu button, this is added to a MenuPopup.
  */
 public class MenuPanel extends LinearLayout {
     public MenuPanel(Context context, AttributeSet attrs) {
         super(context, attrs);
 
         int width = (int) context.getResources().getDimension(R.dimen.menu_item_row_width);
         setLayoutParams(new ViewGroup.LayoutParams(width, ViewGroup.LayoutParams.WRAP_CONTENT));

--- a/mobile/android/base/java/org/mozilla/gecko/preferences/MultiChoicePreference.java
+++ b/mobile/android/base/java/org/mozilla/gecko/preferences/MultiChoicePreference.java
@@ -54,17 +54,17 @@ class MultiChoicePreference extends Dial
      * {@link #setEntryValues(CharSequence[])} and
      * {@link #setInitialValues(CharSequence[])}.
      *
      * @param entries The entries.
      */
     public void setEntries(CharSequence[] entries) {
         mEntries = entries.clone();
     }
-    
+
     /**
      * @param entriesResId The entries array as a resource.
      */
     public void setEntries(int entriesResId) {
         setEntries(getContext().getResources().getTextArray(entriesResId));
     }
 
     /**
@@ -103,51 +103,51 @@ class MultiChoicePreference extends Dial
      * @param initialValuesResId The initialValues array as a resource.
      */
     public void setInitialValues(int initialValuesResId) {
         setInitialValues(getContext().getResources().getTextArray(initialValuesResId));
     }
 
     /**
      * The list of translated strings corresponding to each preference.
-     * 
+     *
      * @return The array of entries.
      */
     public CharSequence[] getEntries() {
         return mEntries.clone();
     }
 
     /**
      * The list of values corresponding to each preference.
-     * 
+     *
      * @return The array of values.
      */
     public CharSequence[] getEntryValues() {
         return mEntryValues.clone();
     }
 
     /**
      * The list of initial values for each preference. Each string in this list
      * should be either "true" or "false".
-     * 
+     *
      * @return The array of initial values.
      */
     public CharSequence[] getInitialValues() {
         return mInitialValues.clone();
     }
 
     public void setValue(final int i, final boolean value) {
         mValues[i] = value;
         mPrevValues = mValues.clone();
     }
 
     /**
      * The list of values for each preference. These values are updated after
      * the dialog has been displayed.
-     * 
+     *
      * @return The array of values.
      */
     public Set<String> getValues() {
         final Set<String> values = new HashSet<String>();
 
         if (mValues == null) {
             return values;
         }

--- a/mobile/android/base/java/org/mozilla/gecko/prompts/IconGridInput.java
+++ b/mobile/android/base/java/org/mozilla/gecko/prompts/IconGridInput.java
@@ -140,17 +140,17 @@ public class IconGridInput extends Promp
             }
 
             final ImageView icon = (ImageView) v.findViewById(R.id.icon);
             icon.setImageDrawable(item.icon);
             ViewGroup.LayoutParams lp = icon.getLayoutParams();
             lp.width = lp.height = mIconSize;
         }
     }
- 
+
     private class IconGridItem {
         final String label;
         final String description;
         final boolean selected;
         Drawable icon;
 
         public IconGridItem(final Context context, final JSONObject obj) {
             label = obj.optString("name");

--- a/mobile/android/base/java/org/mozilla/gecko/prompts/Prompt.java
+++ b/mobile/android/base/java/org/mozilla/gecko/prompts/Prompt.java
@@ -275,17 +275,17 @@ public class Prompt implements OnClickLi
     /* Adds a set of list items to the prompt. This can be used for either context menu type dialogs, checked lists,
      * or multiple selection lists.
      *
      * @param builder
      *        The alert builder currently building this dialog.
      * @param listItems
      *        The items to add.
      * @param choiceMode
-     *        One of the ListView.CHOICE_MODE constants to designate whether this list shows checkmarks, radios buttons, or nothing. 
+     *        One of the ListView.CHOICE_MODE constants to designate whether this list shows checkmarks, radios buttons, or nothing.
     */
     private void addListItems(AlertDialog.Builder builder, PromptListItem[] listItems, int choiceMode) {
         switch(choiceMode) {
             case ListView.CHOICE_MODE_MULTIPLE_MODAL:
             case ListView.CHOICE_MODE_MULTIPLE:
                 addMultiSelectList(builder, listItems);
                 break;
             case ListView.CHOICE_MODE_SINGLE:

--- a/mobile/android/base/java/org/mozilla/gecko/prompts/PromptInput.java
+++ b/mobile/android/base/java/org/mozilla/gecko/prompts/PromptInput.java
@@ -213,17 +213,17 @@ public class PromptInput {
                         calendar.setTime(new SimpleDateFormat("HH:mm").parse(mValue));
                     } catch (Exception e) { }
                 }
                 input.setCurrentHour(calendar.get(GregorianCalendar.HOUR_OF_DAY));
                 input.setCurrentMinute(calendar.get(GregorianCalendar.MINUTE));
                 mView = (View)input;
             } else if (mType.equals("datetime-local") || mType.equals("datetime")) {
                 DateTimePicker input = new DateTimePicker(context, "yyyy-MM-dd HH:mm", mValue.replace("T"," ").replace("Z", ""),
-                                                          DateTimePicker.PickersState.DATETIME, 
+                                                          DateTimePicker.PickersState.DATETIME,
                                                           mMinValue.replace("T"," ").replace("Z",""), mMaxValue.replace("T"," ").replace("Z", ""));
                 input.toggleCalendar(true);
                 mView = (View)input;
             } else if (mType.equals("month")) {
                 DateTimePicker input = new DateTimePicker(context, "yyyy-MM", mValue,
                                                           DateTimePicker.PickersState.MONTH, mMinValue, mMaxValue);
                 mView = (View)input;
             }

--- a/mobile/android/base/java/org/mozilla/gecko/util/HardwareCodecCapabilityUtils.java
+++ b/mobile/android/base/java/org/mozilla/gecko/util/HardwareCodecCapabilityUtils.java
@@ -101,17 +101,17 @@ public final class HardwareCodecCapabili
         }
       }
     }
     // No HW encoder.
     return false;
   }
 
   public static boolean getHWDecoderCapability() {
-    if (Versions.feature20Plus) { 
+    if (Versions.feature20Plus) {
       for (int i = 0; i < MediaCodecList.getCodecCount(); ++i) {
         MediaCodecInfo info = MediaCodecList.getCodecInfoAt(i);
         if (info.isEncoder()) {
           continue;
         }
         String name = null;
         for (String mimeType : info.getSupportedTypes()) {
           if (mimeType.equals(VP8_MIME_TYPE)) {

--- a/mobile/android/base/java/org/mozilla/gecko/util/INIParser.java
+++ b/mobile/android/base/java/org/mozilla/gecko/util/INIParser.java
@@ -32,24 +32,24 @@ public final class INIParser extends INI
     public void write() {
         writeTo(mFile);
     }
 
     // write to the specified file. Will overwrite anything current inside
     public void writeTo(File f) {
         if (f == null)
             return;
-  
+
         FileWriter outputStream = null;
         try {
             outputStream = new FileWriter(f);
         } catch (IOException e1) {
             e1.printStackTrace();
         }
-  
+
         BufferedWriter writer = new BufferedWriter(outputStream);
         try {
             write(writer);
             writer.close();
         } catch (IOException e) {
             e.printStackTrace();
         }
     }
@@ -80,56 +80,56 @@ public final class INIParser extends INI
     }
 
     // parse the default file
     @Override
     protected void parse() throws IOException {
         super.parse();
         parse(mFile);
     }
-   
+
     // parse a passed in file
     private void parse(File f) throws IOException {
         // Set up internal data members
         mSections = new Hashtable<String, INISection>();
-  
+
         if (f == null || !f.exists())
             return;
-  
+
         FileReader inputStream = null;
         try {
             inputStream = new FileReader(f);
         } catch (FileNotFoundException e1) {
             // If the file doesn't exist. Just return;
             return;
         }
-  
+
         BufferedReader buf = new BufferedReader(inputStream);
         String line = null;            // current line of text we are parsing
         INISection currentSection = null; // section we are currently parsing
-  
+
         while ((line = buf.readLine()) != null) {
-  
+
             if (line != null)
                 line = line.trim();
-  
+
             // blank line or a comment. ignore it
             if (line == null || line.length() == 0 || line.charAt(0) == ';') {
                 debug("Ignore line: " + line);
             } else if (line.charAt(0) == '[') {
                 debug("Parse as section: " + line);
                 currentSection = new INISection(line.substring(1, line.length()-1));
                 mSections.put(currentSection.getName(), currentSection);
             } else {
                 debug("Parse as property: " + line);
-  
+
                 String[] pieces = line.split("=");
                 if (pieces.length != 2)
                     continue;
-  
+
                 String key = pieces[0].trim();
                 String value = pieces[1].trim();
                 if (currentSection != null) {
                     currentSection.setProperty(key, value);
                 } else {
                     mProperties.put(key, value);
                 }
             }
@@ -145,17 +145,17 @@ public final class INIParser extends INI
     }
 
     // get a section from the file. will return null if the section doesn't exist
     public INISection getSection(String key) {
         // ensure that we have parsed the file
         getSections();
         return mSections.get(key);
     }
- 
+
     // remove an entire section from the file
     public void removeSection(String name) {
         // ensure that we have parsed the file
         getSections();
         mSections.remove(name);
     }
 
     // rename a section; nuking any previous section with the new

--- a/mobile/android/base/java/org/mozilla/gecko/util/INISection.java
+++ b/mobile/android/base/java/org/mozilla/gecko/util/INISection.java
@@ -33,17 +33,17 @@ public class INISection {
     }
 
     // log a debug string to the console
     protected void debug(String msg) {
         if (mDebug) {
             Log.i(LOGTAG, msg);
         }
     }
-  
+
     // get a global property out of the hash table. will return null if the property doesn't exist
     public Object getProperty(String key) {
         getProperties(); // ensure that we have parsed the file
         return mProperties.get(key);
     }
 
     // get a global property out of the hash table. will return null if the property doesn't exist
     public int getIntProperty(String key) {
@@ -81,19 +81,19 @@ public class INISection {
     }
 
     // set a property. Will erase the property if value = null
     public void setProperty(String key, Object value) {
         getProperties(); // ensure that we have parsed the file
         if (value == null)
             removeProperty(key);
         else
-            mProperties.put(key.trim(), value);     
-    }   
- 
+            mProperties.put(key.trim(), value);
+    }
+
     // remove a property
     public void removeProperty(String name) {
         // ensure that we have parsed the file
         getProperties();
         mProperties.remove(name);
     }
 
     public void write(BufferedWriter writer) throws IOException {

--- a/mobile/android/base/java/org/mozilla/gecko/util/UIAsyncTask.java
+++ b/mobile/android/base/java/org/mozilla/gecko/util/UIAsyncTask.java
@@ -14,17 +14,17 @@ import android.os.Looper;
  * The standard {@link android.os.AsyncTask} only runs onPostExecute on the
  * thread it is constructed on, so this is a convenience class for creating
  * tasks off the UI thread.
  *
  * We use generics differently to Android's AsyncTask.
  * Android uses a "Params" type parameter to represent the type of all the parameters to this task.
  * It then uses arguments of type Params... to permit arbitrarily-many of these to be passed
  * fluently.
- * 
+ *
  * Unfortunately, since Java does not support generic array types (and since varargs desugars to a
  * single array parameter) that behaviour exposes a hole in the type system. See:
  * http://docs.oracle.com/javase/tutorial/java/generics/nonReifiableVarargsType.html#vulnerabilities
  *
  * Instead, we equivalently have a single type parameter "Param". A UiAsyncTask may take exactly one
  * parameter of type Param. Since Param can be an array type, this no more restrictive than the
  * other approach, it just provides additional type safety.
  */

--- a/mobile/android/base/java/org/mozilla/gecko/widget/DateTimePicker.java
+++ b/mobile/android/base/java/org/mozilla/gecko/widget/DateTimePicker.java
@@ -382,17 +382,17 @@ public class DateTimePicker extends Fram
         mYearSpinnerInput = (EditText) mYearSpinner.getChildAt(1);
 
         mAMPMSpinner = setupSpinner(R.id.ampm, 0, 1);
         mAMPMSpinner.setFormatter(TWO_DIGIT_FORMATTER);
 
         if (mIs12HourMode) {
             mHourSpinner = setupSpinner(R.id.hour, 1, 12);
             mAMPMSpinnerInput = (EditText) mAMPMSpinner.getChildAt(1);
-            mAMPMSpinner.setDisplayedValues(mShortAMPMs); 
+            mAMPMSpinner.setDisplayedValues(mShortAMPMs);
         } else {
             mHourSpinner = setupSpinner(R.id.hour, 0, 23);
             mAMPMSpinnerInput = null;
         }
 
         mHourSpinner.setFormatter(TWO_DIGIT_FORMATTER);
         mHourSpinnerInput = (EditText) mHourSpinner.getChildAt(1);
 

--- a/mobile/android/base/java/org/mozilla/gecko/widget/GeckoActionProvider.java
+++ b/mobile/android/base/java/org/mozilla/gecko/widget/GeckoActionProvider.java
@@ -144,17 +144,17 @@ public class GeckoActionProvider {
         // Activity count is determined by the number of activities that can handle
         // the particular intent. When no intent is set, the activity count is 0,
         // while the history count can be a valid number.
         if (historySize > dataModel.getActivityCount()) {
             return view;
         }
 
         for (int i = 0; i < historySize; i++) {
-            view.addActionButton(dataModel.getActivity(i).loadIcon(packageManager), 
+            view.addActionButton(dataModel.getActivity(i).loadIcon(packageManager),
                                  dataModel.getActivity(i).loadLabel(packageManager));
         }
 
         return view;
     }
 
     public boolean hasSubMenu() {
         return true;

--- a/mobile/android/base/java/org/mozilla/gecko/widget/TwoWayView.java
+++ b/mobile/android/base/java/org/mozilla/gecko/widget/TwoWayView.java
@@ -1433,17 +1433,17 @@ public class TwoWayView extends AdapterV
 
             final float diff = pos - mLastTouchPos + mTouchRemainderPos;
             final int delta = (int) diff;
             mTouchRemainderPos = diff - delta;
 
             if (maybeStartScrolling(delta)) {
                 return true;
             }
-            
+
             break;
         }
 
         case MotionEvent.ACTION_CANCEL:
         case MotionEvent.ACTION_UP:
             mActivePointerId = INVALID_POINTER;
             mTouchMode = TOUCH_MODE_REST;
             recycleVelocityTracker();