Render Core Animation plugins through WebKit's compositor rather than

webkit/plugins/npapi/webplugin.h

 // Copyright (c) 2011 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.
 
 #ifndef WEBKIT_PLUGINS_NPAPI_WEBPLUGIN_H_
 #define WEBKIT_PLUGINS_NPAPI_WEBPLUGIN_H_
 
 #include <string>
 #include <vector>
 
@@ skipping 138 matching lines @@
   // to the browser, allowing mapping to a surface for hardware accelleration
   // of plug-in content. The browser generates the handle which is then set on
   // the plug-in. |opaque| indicates whether the content should be treated as
   // opaque or translucent.
   // TODO(stuartmorgan): Move this into WebPluginProxy.
   virtual void BindFakePluginWindowHandle(bool opaque) {}
 
   // Returns the accelerated surface abstraction for accelerated plugins.
   virtual WebPluginAcceleratedSurface* GetAcceleratedSurface(
       gfx::GpuPreference gpu_preference);
+
+  // Composited Core Animation plugin support.
+  virtual void AcceleratedPluginEnabledRendering() = 0;
+  virtual void AcceleratedPluginAllocatedIOSurface(int32 width,
+                                                   int32 height,
+                                                   uint32 surface_id) = 0;
+  virtual void AcceleratedPluginSwappedIOSurface() = 0;
 #endif
 
   // Handles NPN_URLRedirectResponse calls issued by plugins in response to
   // HTTP URL redirect notifications.
   virtual void URLRedirectResponse(bool allow, int resource_id) = 0;
 };
 
 // Simpler version of ResourceHandleClient that lends itself to proxying.
 class WebPluginResourceClient {
  public:
@@ skipping 11 matching lines @@
   virtual void DidFinishLoading() = 0;
   virtual void DidFail() = 0;
   virtual bool IsMultiByteResponseExpected() = 0;
   virtual int ResourceId() = 0;
 };
 
 }  // namespace npapi
 }  // namespace webkit
 
 #endif  // WEBKIT_PLUGINS_NPAPI_WEBPLUGIN_H_