Fix assorted issues with fastback, including adding progress listener notifications and introducing the PageHide and PageShow events. See bug 292971 for all of the details. r=darin, sr=bzbarsky, a=shaver.

git-svn-id: svn://10.0.0.236/trunk@174651 18797224-902f-48f8-a5cc-f745e15eee43

mozilla/uriloader/base/nsDocLoader.cpp

@@ -142,6 +142,7 @@ nsDocLoader::nsDocLoader()
   mParent    = nsnull;
 
   mIsLoadingDocument = PR_FALSE;
+  mIsRestoringDocument = PR_FALSE;
 
   static PLDHashTableOps hash_table_ops =
   {
@@ -1155,6 +1156,10 @@ void nsDocLoader::FireOnStateChange(nsIWebProgress *aProgress,
     aStateFlags &= ~nsIWebProgressListener::STATE_IS_NETWORK;
   }
 
+  // Add the STATE_RESTORING bit if necessary.
+  if (mIsRestoringDocument)
+    aStateFlags |= nsIWebProgressListener::STATE_RESTORING;
+
 #if defined(DEBUG)
   nsCAutoString buffer;