Oilpan: Factor out GC-related enum definitions to BlinkGC.h

third_party/WebKit/Source/platform/heap/PendingGCRunner.h

 /*
  * Copyright (C) 2014 Google 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:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 43 matching lines @@
 
     virtual void didProcessTask()
     {
         // In the production code WebKit::initialize is called from inside the
         // message loop so we can get didProcessTask() without corresponding
         // willProcessTask once. This is benign.
         if (m_nesting)
             m_nesting--;
 
         ThreadState* state = ThreadState::current();
-        state->safePoint(m_nesting ? ThreadState::HeapPointersOnStack : ThreadState::NoHeapPointersOnStack);
+        state->safePoint(m_nesting ? BlinkGC::HeapPointersOnStack : BlinkGC::NoHeapPointersOnStack);
     }
 
 private:
     int m_nesting;
 };
 
 } // namespace blink
 
 #endif