compositor-worker: Initialize CW machinery plumbing to compositor and fire CW rAF callbacks.

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

Index: third_party/WebKit/Source/modules/compositorworker/CompositorWorker.cpp
diff --git a/third_party/WebKit/Source/modules/compositorworker/CompositorWorker.cpp b/third_party/WebKit/Source/modules/compositorworker/CompositorWorker.cpp
index 759dc94ea109cd46890cd166db5adcf9f6d8a739..e4d78645caaef5e914559d8675b8dfde6bdbc9b2 100644
--- a/third_party/WebKit/Source/modules/compositorworker/CompositorWorker.cpp
+++ b/third_party/WebKit/Source/modules/compositorworker/CompositorWorker.cpp
@@ -5,8 +5,10 @@
 #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"
@@ -42,10 +44,13 @@ const AtomicString& CompositorWorker::interfaceName() const
     return EventTargetNames::CompositorWorker;
 }
 
-WorkerGlobalScopeProxy* CompositorWorker::createWorkerGlobalScopeProxy(ExecutionContext* worker)
+WorkerGlobalScopeProxy* CompositorWorker::createWorkerGlobalScopeProxy(ExecutionContext* context)
 {
-    ASSERT(getExecutionContext()->isDocument());
-    return new CompositorWorkerMessagingProxy(this);
+    ASSERT(context->isDocument());
+    Document* document = toDocument(context);
+    WorkerClients* workerClients = WorkerClients::create();
+    provideCompositorProxyClientTo(workerClients, document->frame()->chromeClient().createCompositorProxyClient());
+    return new CompositorWorkerMessagingProxy(this, workerClients);
 }
 
 } // namespace blink