Oilpan: Fix compile of GC_PROFILING build, and remove object graph dumper.

Source/platform/heap/Visitor.h

 /*
  * Copyright (C) 2013 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 376 matching lines @@
     virtual void registerWeakMembers(const void*, const void*, WeakCallback) = 0;
     using VisitorHelper<Visitor>::registerWeakMembers;
 
     virtual void registerWeakTable(const void*, EphemeronCallback, EphemeronCallback) = 0;
 #if ENABLE(ASSERT)
     virtual bool weakTableRegistered(const void*) = 0;
 #endif
 
     virtual bool ensureMarked(const void*) = 0;
 
-#if ENABLE(GC_PROFILING)
-    void setHostInfo(void* object, const String& name)
-    {
-        m_hostObject = object;
-        m_hostName = name;
-    }
-#endif
-
     inline MarkingMode markingMode() const { return m_markingMode; }
 
 protected:
     explicit Visitor(MarkingMode markingMode)
         : m_markingMode(markingMode)
     { }
 
     virtual void registerWeakCellWithCallback(void**, WeakCallback) = 0;
-#if ENABLE(GC_PROFILING)
-    virtual void recordObjectGraphEdge(const void*) = 0;
-
-    void* m_hostObject;
-    String m_hostName;
-#endif
 
 private:
     static Visitor* fromHelper(VisitorHelper<Visitor>* helper) { return static_cast<Visitor*>(helper); }
 
     const MarkingMode m_markingMode;
     bool m_isGlobalMarkingVisitor;
 };
 
 #if ENABLE(GC_PROFILING)
 template<typename T>
 struct TypenameStringTrait {
     static const String& get()
     {
         DEFINE_STATIC_LOCAL(String, typenameString, (WTF::extractTypeNameFromFunctionName(WTF::extractNameFunction<T>())));
         return typenameString;
     }
 };
 #endif
 
 } // namespace blink
 
 #endif // Visitor_h