Move code to register/unregister memory dump provider from blink::initialize/shutdown

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 94 matching lines @@
     modulesInitializer().init();
     setIndexedDBClientCreateFunction(IndexedDBClientImpl::create);
 
     V8Initializer::initializeMainThread();
 
     // 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(), "MemoryCache");
-        platform->registerMemoryDumpProvider(FontCacheMemoryDumpProvider::instance(), "FontCaches");
     }
 }
 
 v8::Isolate* mainThreadIsolate()
 {
     return V8PerIsolateData::mainThreadIsolate();
 }
 
 static void maxObservedSizeFunction(size_t sizeInMB)
 {
@@ skipping 50 matching lines @@
     // not scanned by LSan due to being held in non-global storage
     // ("static" references inside functions/methods.)
     if (ThreadState* threadState = ThreadState::current()) {
         threadState->releaseStaticPersistentNodes();
         Heap::collectAllGarbage();
     }
 #endif
 
     // currentThread() is null if we are running on a thread without a message loop.
     if (Platform::current()->currentThread()) {
-        Platform::current()->unregisterMemoryDumpProvider(WebCacheMemoryDumpProvider::instance());
-        Platform::current()->unregisterMemoryDumpProvider(FontCacheMemoryDumpProvider::instance());
-
         // We don't need to (cannot) remove s_endOfTaskRunner from the current
         // message loop, because the message loop is already destructed before
         // the shutdown() is called.
         delete s_endOfTaskRunner;
         s_endOfTaskRunner = nullptr;
     }
 
     // Shutdown V8-related background threads before V8 is ramped down. Note
     // that this will wait the thread to stop its operations.
     ScriptStreamerThread::shutdown();
@@ skipping 79 matching lines @@
     ASSERT(!reloadPages);
     Page::refreshPlugins();
 }
 
 void decommitFreeableMemory()
 {
     WTF::Partitions::decommitFreeableMemory();
 }
 
 } // namespace blink