bindings: Renames from/toInternalPointer, etc.

Source/bindings/core/v8/custom/V8MutationObserverCustom.cpp

Index: Source/bindings/core/v8/custom/V8MutationObserverCustom.cpp
diff --git a/Source/bindings/core/v8/custom/V8MutationObserverCustom.cpp b/Source/bindings/core/v8/custom/V8MutationObserverCustom.cpp
index 0db628ce0b6fe2dfe2510f1489df8c45bce345d7..1b2ae33f7c19062e8ff367335973e702ee8c2ecc 100644
--- a/Source/bindings/core/v8/custom/V8MutationObserverCustom.cpp
+++ b/Source/bindings/core/v8/custom/V8MutationObserverCustom.cpp
@@ -69,7 +69,7 @@ void V8MutationObserver::constructorCustom(const v8::FunctionCallbackInfo<v8::Va
 
 void V8MutationObserver::visitDOMWrapper(ScriptWrappableBase* internalPointer, const v8::Persistent<v8::Object>& wrapper, v8::Isolate* isolate)
 {
-    MutationObserver* observer = fromInternalPointer(internalPointer);
+    MutationObserver* observer = internalPointer->toImpl<MutationObserver>();
     WillBeHeapHashSet<RawPtrWillBeMember<Node> > observedNodes = observer->getObservedNodes();
     for (WillBeHeapHashSet<RawPtrWillBeMember<Node> >::iterator it = observedNodes.begin(); it != observedNodes.end(); ++it) {
         v8::UniqueId id(reinterpret_cast<intptr_t>(V8GCController::opaqueRootForGC(*it, isolate)));