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

third_party/WebKit/Source/web/WebKit.cpp

 /*
  * Copyright (C) 2009 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 105 matching lines @@
     ThreadState::current()->addInterruptor(interruptor.release());
     ThreadState::current()->registerTraceDOMWrappers(V8PerIsolateData::mainThreadIsolate(), V8GCController::traceDOMWrappers);
 
     // currentThread is null if we are running on a thread without a message loop.
     if (WebThread* currentThread = platform->currentThread()) {
         ASSERT(!s_endOfTaskRunner);
         s_endOfTaskRunner = new EndOfTaskRunner;
         currentThread->addTaskObserver(s_endOfTaskRunner);
 
         // Register web cache dump provider for tracing.
-        platform->registerMemoryDumpProvider(WebCacheMemoryDumpProvider::instance());
+        platform->registerMemoryDumpProvider(WebCacheMemoryDumpProvider::instance(), "MemoryCache");
     }
 }
 
 v8::Isolate* mainThreadIsolate()
 {
     return V8PerIsolateData::mainThreadIsolate();
 }
 
 static double currentTimeFunction()
 {
@@ skipping 158 matching lines @@
     ASSERT(!reloadPages);
     Page::refreshPlugins();
 }
 
 void decommitFreeableMemory()
 {
     WTF::Partitions::decommitFreeableMemory();
 }
 
 } // namespace blink