Bug 1246846 (part 1) - Avoid nsTHashtable::RawRemoveEntry() in dom/. r=bz.

This assumes that it's safe to possibly shrink the tables after the removal,
i.e. there are no surprising subtleties with how these tables are managed.

--HG--
extra : rebase_source : 2012becaa759d4330910534375b7ac2a9839fe50

dom/base/ShadowRoot.cpp

@@ -219,7 +219,7 @@ ShadowRoot::RemoveFromIdTable(Element* aElement, nsIAtom* aId)
   if (entry) {
     entry->RemoveIdElement(aElement);
     if (entry->IsEmpty()) {
-      mIdentifierMap.RawRemoveEntry(entry);
+      mIdentifierMap.RemoveEntry(entry);
     }
   }
 }

dom/base/nsDocument.cpp

@@ -3003,7 +3003,7 @@ nsDocument::RemoveFromIdTable(Element *aElement, nsIAtom* aId)
     ++mExpandoAndGeneration.generation;
   }
   if (entry->IsEmpty()) {
-    mIdentifierMap.RawRemoveEntry(entry);
+    mIdentifierMap.RemoveEntry(entry);
   }
 }
 

dom/xul/XULDocument.cpp

@@ -1832,7 +1832,7 @@ XULDocument::RemoveElementFromRefMap(Element* aElement)
         if (!entry)
             return;
         if (entry->RemoveElement(aElement)) {
-            mRefMap.RawRemoveEntry(entry);
+            mRefMap.RemoveEntry(entry);
         }
     }
 }