compositor-worker: Add CompositorProxyClient worker client of CompositorWorker.

third_party/WebKit/Source/web/WebViewImpl.cpp

Index: third_party/WebKit/Source/web/WebViewImpl.cpp
diff --git a/third_party/WebKit/Source/web/WebViewImpl.cpp b/third_party/WebKit/Source/web/WebViewImpl.cpp
index dbce5b06b65f7e4ff4ef9e4783670e765bcfada8..4349eb3881a19f667f766372681df023f0222977 100644
--- a/third_party/WebKit/Source/web/WebViewImpl.cpp
+++ b/third_party/WebKit/Source/web/WebViewImpl.cpp
@@ -33,6 +33,7 @@
 #include "core/CSSValueKeywords.h"
 #include "core/HTMLNames.h"
 #include "core/InputTypeNames.h"
+#include "core/animation/CustomCompositorAnimationManager.h"
 #include "core/clipboard/DataObject.h"
 #include "core/dom/Document.h"
 #include "core/dom/Fullscreen.h"
@@ -106,12 +107,15 @@
 #include "platform/PlatformKeyboardEvent.h"
 #include "platform/PlatformMouseEvent.h"
 #include "platform/RuntimeEnabledFeatures.h"
+#include "platform/ThreadSafeFunctional.h"
 #include "platform/TraceEvent.h"
 #include "platform/UserGestureIndicator.h"
+#include "platform/WaitableEvent.h"
 #include "platform/exported/WebActiveGestureAnimation.h"
 #include "platform/fonts/FontCache.h"
 #include "platform/graphics/Color.h"
 #include "platform/graphics/CompositorFactory.h"
+#include "platform/graphics/CompositorMutatorClient.h"
 #include "platform/graphics/FirstPaintInvalidationTracking.h"
 #include "platform/graphics/GraphicsContext.h"
 #include "platform/graphics/Image.h"
@@ -151,6 +155,7 @@
 #include "public/web/WebViewClient.h"
 #include "public/web/WebWindowFeatures.h"
 #include "web/CompositionUnderlineVectorBuilder.h"
+#include "web/CompositorProxyClientImpl.h"
 #include "web/ContextFeaturesClientImpl.h"
 #include "web/ContextMenuAllowedScope.h"
 #include "web/DatabaseClientImpl.h"
@@ -4479,6 +4484,11 @@ void WebViewImpl::forceNextDrawingBufferCreationToFail()
     DrawingBuffer::forceNextDrawingBufferCreationToFail();
 }
 
+CompositorProxyClient* WebViewImpl::createCompositorProxyClient()
+{
+    return new CompositorProxyClientImpl();
+}
+
 void WebViewImpl::updatePageOverlays()
 {
     if (m_pageColorOverlay)