Introduce ProcessHeap

third_party/WebKit/Source/platform/heap/ThreadState.cpp

 /*
  * 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 279 matching lines @@
 
         // From here on ignore all conservatively discovered
         // pointers into the heap owned by this thread.
         m_isTerminating = true;
 
         // Set the terminate flag on all heap pages of this thread. This is used to
         // ensure we don't trace pages on other threads that are not part of the
         // thread local GC.
         prepareForThreadStateTermination();
 
-        Heap::crossThreadPersistentRegion().prepareForThreadStateTermination(this);
+        ProcessHeap::crossThreadPersistentRegion().prepareForThreadStateTermination(this);
 
         // Do thread local GC's as long as the count of thread local Persistents
         // changes and is above zero.
         int oldCount = -1;
         int currentCount = getPersistentRegion()->numberOfPersistents();
         ASSERT(currentCount >= 0);
         while (currentCount != oldCount) {
             Heap::collectGarbageForTerminatingThread(this);
             oldCount = currentCount;
             currentCount = getPersistentRegion()->numberOfPersistents();
@@ skipping 18 matching lines @@
 {
     ThreadState* state = current();
     state->cleanup();
     RELEASE_ASSERT(state->gcState() == ThreadState::NoGCScheduled);
     delete state;
 }
 
 void ThreadState::visitPersistentRoots(Visitor* visitor)
 {
     TRACE_EVENT0("blink_gc", "ThreadState::visitPersistentRoots");
-    Heap::crossThreadPersistentRegion().tracePersistentNodes(visitor);
+    ProcessHeap::crossThreadPersistentRegion().tracePersistentNodes(visitor);
 
     for (ThreadState* state : attachedThreads())
         state->visitPersistents(visitor);
 }
 
 void ThreadState::visitStackRoots(Visitor* visitor)
 {
     TRACE_EVENT0("blink_gc", "ThreadState::visitStackRoots");
     for (ThreadState* state : attachedThreads())
         state->visitStack(visitor);
@@ skipping 1207 matching lines @@
     threadDump->addScalar("dead_count", "objects", totalDeadCount);
     threadDump->addScalar("live_size", "bytes", totalLiveSize);
     threadDump->addScalar("dead_size", "bytes", totalDeadSize);
 
     WebMemoryAllocatorDump* heapsDump = BlinkGCMemoryDumpProvider::instance()->createMemoryAllocatorDumpForCurrentGC(heapsDumpName);
     WebMemoryAllocatorDump* classesDump = BlinkGCMemoryDumpProvider::instance()->createMemoryAllocatorDumpForCurrentGC(classesDumpName);
     BlinkGCMemoryDumpProvider::instance()->currentProcessMemoryDump()->addOwnershipEdge(classesDump->guid(), heapsDump->guid());
 }
 
 } // namespace blink