--- a/dom/base/nsIDocument.h
+++ b/dom/base/nsIDocument.h
@@ -151,18 +151,18 @@ template<typename> class Sequence;
 
 template<typename, typename> class CallbackObjectHolder;
 typedef CallbackObjectHolder<NodeFilter, nsIDOMNodeFilter> NodeFilterHolder;
 
 } // namespace dom
 } // namespace mozilla
 
 #define NS_IDOCUMENT_IID \
-{ 0x5f51e18c, 0x9e0e, 0x4dc0, \
-  { 0x9f, 0x08, 0x7a, 0x32, 0x65, 0x52, 0xea, 0x11 } }
+{ 0x4307abe8, 0x5386, 0x4024, \
+  { 0xa2, 0xfe, 0x4a, 0x80, 0xe8, 0x47, 0x46, 0x90 } }
 
 // Enum for requesting a particular type of document when creating a doc
 enum DocumentFlavor {
   DocumentFlavorLegacyGuess, // compat with old code until made HTML5-compliant
   DocumentFlavorHTML, // HTMLDocument with HTMLness bit set to true
   DocumentFlavorSVG, // SVGDocument
   DocumentFlavorPlain, // Just a Document
 };

--- a/dom/base/nsIDocumentObserver.h
+++ b/dom/base/nsIDocumentObserver.h
@@ -16,18 +16,18 @@ class nsIDocument;
 
 namespace mozilla {
 namespace css {
 class Rule;
 } // namespace css
 } // namespace mozilla
 
 #define NS_IDOCUMENT_OBSERVER_IID \
-{ 0x900bc4bc, 0x8b6c, 0x4cba, \
- { 0x82, 0xfa, 0x56, 0x8a, 0x80, 0xff, 0xfd, 0x3e } }
+{ 0xce1d53d0, 0x4739, 0x44e5, \
+  { 0xb4, 0xae, 0x60, 0xe8, 0x82, 0xcb, 0x73, 0x1b } }
 
 typedef uint32_t nsUpdateType;
 
 #define UPDATE_CONTENT_MODEL 0x00000001
 #define UPDATE_STYLE         0x00000002
 #define UPDATE_ALL (UPDATE_CONTENT_MODEL | UPDATE_STYLE)
 
 // Document observer interface