compositor-worker: Add CompositorProxyClient worker client of CompositorWorker.

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"
 
 namespace blink {
 
 inline CompositorWorker::CompositorWorker(ExecutionContext* context)
     : InProcessWorkerBase(context)
 {
 }
@@ skipping 15 matching lines @@
 CompositorWorker::~CompositorWorker()
 {
     ASSERT(isMainThread());
 }
 
 const AtomicString& CompositorWorker::interfaceName() const
 {
     return EventTargetNames::CompositorWorker;
 }
 
-InProcessWorkerGlobalScopeProxy* CompositorWorker::createInProcessWorkerGlobalScopeProxy(ExecutionContext* worker)
+InProcessWorkerGlobalScopeProxy* CompositorWorker::createInProcessWorkerGlobalScopeProxy(ExecutionContext* context)
 {
-    ASSERT(getExecutionContext()->isDocument());
-    return new CompositorWorkerMessagingProxy(this);
+    Document* document = toDocument(context);
+    WorkerClients* workerClients = WorkerClients::create();
+    provideCompositorProxyClientTo(workerClients, document->frame()->chromeClient().createCompositorProxyClient(document->frame()));
+    return new CompositorWorkerMessagingProxy(this, workerClients);
 }
 
 } // namespace blink