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

Source/platform/heap/Handle.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 197 matching lines @@
         uninitialize();
         m_raw = nullptr;
         m_trace = nullptr;
     }
 
     template<typename VisitorDispatcher>
     void trace(VisitorDispatcher visitor)
     {
         static_assert(sizeof(T), "T must be fully defined");
         static_assert(IsGarbageCollectedType<T>::value, "T needs to be a garbage collected object");
-#if ENABLE(GC_PROFILING)
-        visitor->setHostInfo(this, m_tracingName.isEmpty() ? "Persistent" : m_tracingName);
-#endif
         visitor->mark(m_raw);
     }
 
     RawPtr<T> release()
     {
         RawPtr<T> result = m_raw;
         m_raw = nullptr;
         return result;
     }
 
@@ skipping 178 matching lines @@
         uninitialize();
         m_raw = nullptr;
         m_trace = nullptr;
     }
 
     template<typename VisitorDispatcher>
     void trace(VisitorDispatcher visitor)
     {
         static_assert(sizeof(T), "T must be fully defined");
         static_assert(IsGarbageCollectedType<T>::value, "T needs to be a garbage collected object");
-#if ENABLE(GC_PROFILING)
-        visitor->setHostInfo(this, m_tracingName.isEmpty() ? "CrossThreadPersistent" : m_tracingName);
-#endif
         visitor->mark(m_raw);
     }
 
     RawPtr<T> release()
     {
         RawPtr<T> result = m_raw;
         m_raw = nullptr;
         return result;
     }
 
@@ skipping 139 matching lines @@
     ~PersistentHeapCollectionBase()
     {
         uninitialize();
         m_trace = nullptr;
     }
 
     template<typename VisitorDispatcher>
     void trace(VisitorDispatcher visitor)
     {
         static_assert(sizeof(Collection), "Collection must be fully defined");
-#if ENABLE(GC_PROFILING)
-        visitor->setHostInfo(this, "PersistentHeapCollectionBase");
-#endif
         visitor->trace(*static_cast<Collection*>(this));
     }
 
 private:
     void initialize()
     {
         ThreadState* state = ThreadState::current();
         m_prev = state->roots();
         m_next = m_prev->m_next;
         m_prev->m_next = this;
@@ skipping 696 matching lines @@
 struct ParamStorageTraits<RawPtr<T>> : public PointerParamStorageTraits<T*, blink::IsGarbageCollectedType<T>::value> {
     static_assert(sizeof(T), "T must be fully defined");
 };
 
 template<typename T>
 PassRefPtr<T> adoptRef(blink::RefCountedGarbageCollected<T>*) = delete;
 
 } // namespace WTF
 
 #endif