Oilpan: rename GCState and GCReason values to reflect function only.

Source/core/testing/Internals.cpp

 /*
  * Copyright (C) 2012 Google Inc. All rights reserved.
  * Copyright (C) 2013 Apple Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  *
  * 1.  Redistributions of source code must retain the above copyright
  *     notice, this list of conditions and the following disclaimer.
@@ skipping 2312 matching lines @@
 {
     if (!element->isPluginElement()) {
         exceptionState.throwDOMException(InvalidNodeTypeError, "The element provided is not a plugin.");
         return;
     }
     toHTMLPlugInElement(element)->setPlaceholder(DictionaryPluginPlaceholder::create(element->document(), options));
 }
 
 void Internals::forceBlinkGCWithoutV8GC()
 {
-    ThreadState::current()->setGCState(ThreadState::GCScheduledForTesting);
+    ThreadState::current()->setGCState(ThreadState::FullGCScheduled);
 }
 
 String Internals::selectedHTMLForClipboard()
 {
     return frame()->selection().selectedHTMLForClipboard();
 }
 
 String Internals::selectedTextForClipboard()
 {
     return frame()->selection().selectedTextForClipboard();
 }
 
 void Internals::setVisualViewportOffset(int x, int y)
 {
     frame()->host()->pinchViewport().setLocation(FloatPoint(x, y));
 }
 
 ValueIterable<int>::IterationSource* Internals::startIteration(ScriptState*, ExceptionState&)
 {
     return new InternalsIterationSource();
 }
 
 bool Internals::isUseCounted(Document* document, int useCounterId)
 {
     return UseCounter::isCounted(*document, static_cast<UseCounter::Feature>(useCounterId));
 }
 
 
 } // namespace blink