compositor-worker: Introduce CompositorWorker.

Source/web/WebRuntimeFeatures.cpp

 /*
  * Copyright (C) 2013 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 60 matching lines @@
 void WebRuntimeFeatures::enableCompositedSelectionUpdate(bool enable)
 {
     RuntimeEnabledFeatures::setCompositedSelectionUpdateEnabled(enable);
 }
 
 bool WebRuntimeFeatures::isCompositedSelectionUpdateEnabled()
 {
     return RuntimeEnabledFeatures::compositedSelectionUpdateEnabled();
 }
 
+void WebRuntimeFeatures::enableCompositorWorker(bool enable)
+{
+    RuntimeEnabledFeatures::setCompositorWorkerEnabled(enable);
+}
+
+bool WebRuntimeFeatures::isCompositorWorkerEnabled()
+{
+    return RuntimeEnabledFeatures::compositorWorkerEnabled();
+}
+
 void WebRuntimeFeatures::enableDatabase(bool enable)
 {
     RuntimeEnabledFeatures::setDatabaseEnabled(enable);
 }
 
 void WebRuntimeFeatures::enableDecodeToYUV(bool enable)
 {
     RuntimeEnabledFeatures::setDecodeToYUVEnabled(enable);
 }
 
@@ skipping 236 matching lines @@
 {
     RuntimeEnabledFeatures::setUnsafeES3APIsEnabled(enable);
 }
 
 void WebRuntimeFeatures::enableVRDevice(bool enable)
 {
     RuntimeEnabledFeatures::setVRDeviceEnabled(enable);
 }
 
 } // namespace blink