pepper: Use the RenderThread's shared context as the parent context.

webkit/plugins/ppapi/plugin_delegate.h

 // Copyright (c) 2012 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_PPAPI_PLUGIN_DELEGATE_H_
 #define WEBKIT_PLUGINS_PPAPI_PLUGIN_DELEGATE_H_
 
 #include <string>
 #include <vector>
 
@@ skipping 385 matching lines @@
   // The caller will own the pointer returned from this.
   virtual PlatformImage2D* CreateImage2D(int width, int height) = 0;
 
   // Returns the internal PlatformGraphics2D implementation.
   virtual PlatformGraphics2D* GetGraphics2D(PluginInstance* instance,
                                             PP_Resource graphics_2d) = 0;
 
   // The caller will own the pointer returned from this.
   virtual PlatformContext3D* CreateContext3D() = 0;
 
-  // Set that the context will now present to the delegate.
-  virtual void ReparentContext(PlatformContext3D*) = 0;
-
   // If |device_id| is empty, the default video capture device will be used. The
   // user can start using the returned object to capture video right away.
   // Otherwise, the specified device will be used. The user needs to wait till
   // |handler| gets an OnInitialized() notification to start using the returned
   // object.
   virtual PlatformVideoCapture* CreateVideoCapture(
       const std::string& device_id,
       PlatformVideoCaptureEventHandler* handler) = 0;
 
   // The caller will own the pointer returned from this.
@@ skipping 230 matching lines @@
                                const EnumerateDevicesCallback& callback) = 0;
   // Stop enumerating devices of the specified |request_id|. The |request_id|
   // is the return value of EnumerateDevicesCallback.
   virtual void StopEnumerateDevices(int request_id) = 0;
 };
 
 }  // namespace ppapi
 }  // namespace webkit
 
 #endif  // WEBKIT_PLUGINS_PPAPI_PLUGIN_DELEGATE_H_