compositor-worker: Add CompositorProxyClient worker client of CompositorWorker.

third_party/WebKit/Source/web/WebViewFrameWidget.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 "web/WebViewFrameWidget.h"
 
 #include "web/WebLocalFrameImpl.h"
 #include "web/WebViewImpl.h"
 
 namespace blink {
@@ skipping 242 matching lines @@
 void WebViewFrameWidget::setBaseBackgroundColor(WebColor color)
 {
     m_webView->setBaseBackgroundColor(color);
 }
 
 void WebViewFrameWidget::scheduleAnimation()
 {
     m_webView->scheduleAnimation();
 }
 
+CompositorProxyClient* WebViewFrameWidget::createCompositorProxyClient()
+{
+    return m_webView->createCompositorProxyClient();
+}
+
 } // namespace blink