Add Web Resources usage to chrome://tracing.

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 20 matching lines @@
 #include "config.h"
 #include "public/web/WebKit.h"
 
 #include "bindings/core/v8/ScriptStreamerThread.h"
 #include "bindings/core/v8/V8Binding.h"
 #include "bindings/core/v8/V8GCController.h"
 #include "bindings/core/v8/V8Initializer.h"
 #include "core/Init.h"
 #include "core/animation/AnimationClock.h"
 #include "core/dom/Microtask.h"
+#include "core/fetch/WebCacheMemoryDumpProvider.h"
 #include "core/frame/Settings.h"
 #include "core/page/Page.h"
 #include "core/workers/WorkerGlobalScopeProxy.h"
 #include "gin/public/v8_platform.h"
 #include "modules/InitModules.h"
 #include "platform/LayoutTestSupport.h"
 #include "platform/Logging.h"
 #include "platform/RuntimeEnabledFeatures.h"
 #include "platform/graphics/ImageDecodingStore.h"
 #include "platform/heap/Heap.h"
@@ skipping 63 matching lines @@
 
     OwnPtr<V8IsolateInterruptor> interruptor = adoptPtr(new V8IsolateInterruptor(V8PerIsolateData::mainThreadIsolate()));
     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());
     }
 }
 
 v8::Isolate* mainThreadIsolate()
 {
     return V8PerIsolateData::mainThreadIsolate();
 }
 
 static double currentTimeFunction()
 {
@@ skipping 57 matching lines @@
     DEFINE_STATIC_LOCAL(ModulesInitializer, initializer, ());
     initializer.init();
 
     setIndexedDBClientCreateFunction(IndexedDBClientImpl::create);
 }
 
 void shutdown()
 {
     // currentThread() is null if we are running on a thread without a message loop.
     if (Platform::current()->currentThread()) {
+        Platform::current()->unregisterMemoryDumpProvider(WebCacheMemoryDumpProvider::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 = 0;
-    }
 
-    // currentThread() is null if we are running on a thread without a message loop.
-    if (Platform::current()->currentThread()) {
         ASSERT(s_pendingGCRunner);
         delete s_pendingGCRunner;
         s_pendingGCRunner = 0;
     }
 
     // Shutdown V8-related background threads before V8 is ramped down. Note
     // that this will wait the thread to stop its operations.
     ScriptStreamerThread::shutdown();
 
     v8::Isolate* isolate = V8PerIsolateData::mainThreadIsolate();
@@ skipping 69 matching lines @@
     ASSERT(!reloadPages);
     Page::refreshPlugins();
 }
 
 void decommitFreeableMemory()
 {
     WTF::Partitions::decommitFreeableMemory();
 }
 
 } // namespace blink