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

webkit/plugins/ppapi/mock_plugin_delegate.cc

 // 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.
 
 #include "webkit/plugins/ppapi/mock_plugin_delegate.h"
 
 #include "base/logging.h"
 #include "base/message_loop_proxy.h"
 #include "ppapi/c/pp_errors.h"
 #include "ppapi/shared_impl/ppapi_preferences.h"
@@ skipping 69 matching lines @@
 
 PluginDelegate::PlatformGraphics2D* MockPluginDelegate::GetGraphics2D(
     PluginInstance* instance,
     PP_Resource graphics_2d) {
   return NULL;
 }
 
 MockPluginDelegate::PlatformContext3D* MockPluginDelegate::CreateContext3D() {
   return NULL;
 }
-void MockPluginDelegate::ReparentContext(
-    MockPluginDelegate::PlatformContext3D* context) {
-}
 
 MockPluginDelegate::PlatformVideoDecoder*
 MockPluginDelegate::CreateVideoDecoder(
     media::VideoDecodeAccelerator::Client* client,
     int32 command_buffer_route_id) {
   return NULL;
 }
 
 MockPluginDelegate::PlatformVideoCapture*
 MockPluginDelegate::CreateVideoCapture(
@@ skipping 274 matching lines @@
     PP_DeviceType_Dev type,
     const EnumerateDevicesCallback& callback) {
   return -1;
 }
 
 void MockPluginDelegate::StopEnumerateDevices(int request_id) {
 }
 
 }  // namespace ppapi
 }  // namespace webkit