[tracing] Add names to memory-infra dumpers for debugging

third_party/WebKit/Source/platform/heap/Heap.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 151 matching lines @@
     s_markedObjectSizeAtLastCompleteSweep = 0;
     s_wrapperCount = 0;
     s_wrapperCountAtLastGC = 0;
     s_collectedWrapperCount = 0;
     s_partitionAllocSizeAtLastGC = WTF::Partitions::totalSizeOfCommittedPages();
     s_estimatedMarkingTimePerByte = 0.0;
 
     GCInfoTable::init();
 
     if (Platform::current() && Platform::current()->currentThread())
-        Platform::current()->registerMemoryDumpProvider(BlinkGCMemoryDumpProvider::instance());
+        Platform::current()->registerMemoryDumpProvider(BlinkGCMemoryDumpProvider::instance(), "BlinkGC");
 }
 
 void Heap::shutdown()
 {
     if (Platform::current() && Platform::current()->currentThread())
         Platform::current()->unregisterMemoryDumpProvider(BlinkGCMemoryDumpProvider::instance());
     s_shutdownCalled = true;
     ThreadState::shutdownHeapIfNecessary();
 }
 
@@ skipping 563 matching lines @@
 size_t Heap::s_objectSizeAtLastGC = 0;
 size_t Heap::s_markedObjectSize = 0;
 size_t Heap::s_markedObjectSizeAtLastCompleteSweep = 0;
 size_t Heap::s_wrapperCount = 0;
 size_t Heap::s_wrapperCountAtLastGC = 0;
 size_t Heap::s_collectedWrapperCount = 0;
 size_t Heap::s_partitionAllocSizeAtLastGC = 0;
 double Heap::s_estimatedMarkingTimePerByte = 0.0;
 
 } // namespace blink