WIP - compositor worker mega patch.

third_party/WebKit/Source/modules/compositorworker/CompositorWorker.cpp

 // Copyright 2015 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "modules/compositorworker/CompositorWorker.h"
 
 #include "bindings/core/v8/ExceptionState.h"
+#include "core/dom/CompositorProxyClient.h"
 #include "core/dom/Document.h"
 #include "core/dom/ExceptionCode.h"
+#include "core/page/ChromeClient.h"
 #include "core/workers/WorkerClients.h"
 #include "modules/EventTargetModules.h"
 #include "modules/compositorworker/CompositorWorkerMessagingProxy.h"
+#include "platform/TraceEvent.h"
 #include "wtf/MainThread.h"
 
 namespace blink {
 
 inline CompositorWorker::CompositorWorker(ExecutionContext* context)
     : InProcessWorkerBase(context)
 {
 }
 
 CompositorWorker* CompositorWorker::create(ExecutionContext* context, const String& url, ExceptionState& exceptionState)
 {
+    TRACE_EVENT0("compositor-worker", "CompositorWorker::create");
     ASSERT(isMainThread());
     Document* document = toDocument(context);
     if (!document->page()) {
         exceptionState.throwDOMException(InvalidAccessError, "The context provided is invalid.");
         return nullptr;
     }
     CompositorWorker* worker = new CompositorWorker(context);
     if (worker->initialize(context, url, exceptionState))
         return worker;
     return nullptr;
 }
 
 CompositorWorker::~CompositorWorker()
 {
+    TRACE_EVENT0("compositor-worker", "CompositorWorker::~CompositorWorker");
     ASSERT(isMainThread());
 }
 
 const AtomicString& CompositorWorker::interfaceName() const
 {
     return EventTargetNames::CompositorWorker;
 }
 
-WorkerGlobalScopeProxy* CompositorWorker::createWorkerGlobalScopeProxy(ExecutionContext* worker)
+WorkerGlobalScopeProxy* CompositorWorker::createWorkerGlobalScopeProxy(ExecutionContext* context)
 {
-    ASSERT(executionContext()->isDocument());
-    return new CompositorWorkerMessagingProxy(this);
+    TRACE_EVENT0("compositor-worker", "CompositorWorker::createWorkerGlobalScopeProxy");
+    ASSERT(context->isDocument());
+    Document* document = toDocument(context);
+    OwnPtrWillBeRawPtr<WorkerClients> workerClients = WorkerClients::create();
+    provideCompositorProxyClientTo(workerClients.get(), adoptPtrWillBeNoop(document->frame()->chromeClient().createCompositorProxyClient()));
+    return new CompositorWorkerMessagingProxy(this, workerClients.release());
 }
 
 } // namespace blink