Don't require a recreation of the context when fullscreening

content/renderer/render_widget_fullscreen_pepper.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 "content/renderer/render_widget_fullscreen_pepper.h"
 
 #include <vector>
 
 #include "base/bind.h"
 #include "base/command_line.h"
@@ skipping 343 matching lines @@
 
 webkit::ppapi::PluginDelegate::PlatformContext3D*
 RenderWidgetFullscreenPepper::CreateContext3D() {
 #ifdef ENABLE_GPU
   return new content::PlatformContext3DImpl(this);
 #else
   return NULL;
 #endif
 }
 
+void RenderWidgetFullscreenPepper::ReparentContext(
+    webkit::ppapi::PluginDelegate::PlatformContext3D* context) {
+  static_cast<content::PlatformContext3DImpl*>(context)->SetParentContext(this);
+}
+
 MouseLockDispatcher* RenderWidgetFullscreenPepper::GetMouseLockDispatcher() {
   return mouse_lock_dispatcher_.get();
 }
 
 bool RenderWidgetFullscreenPepper::OnMessageReceived(const IPC::Message& msg) {
   bool handled = true;
   IPC_BEGIN_MESSAGE_MAP(RenderWidgetFullscreenPepper, msg)
     IPC_MESSAGE_FORWARD(ViewMsg_LockMouse_ACK,
                         mouse_lock_dispatcher_.get(),
                         MouseLockDispatcher::OnLockMouseACK)
@@ skipping 214 matching lines @@
 
 WebGraphicsContext3DCommandBufferImpl*
 RenderWidgetFullscreenPepper::GetParentContextForPlatformContext3D() {
   if (!context_) {
     CreateContext();
   }
   if (!context_)
     return NULL;
   return context_;
 }