Fixed bugs with Pepper 3D under dynamic GPU switching.

content/renderer/render_widget_fullscreen_pepper.cc

 // 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.
 
 #include "content/renderer/render_widget_fullscreen_pepper.h"
 
 #include "base/bind.h"
 #include "base/message_loop.h"
 #include "content/common/view_messages.h"
 #include "content/renderer/gpu/gpu_channel_host.h"
@@ skipping 259 matching lines @@
   Release();
 }
 
 void RenderWidgetFullscreenPepper::DidChangeCursor(
     const WebKit::WebCursorInfo& cursor) {
   didChangeCursor(cursor);
 }
 
 webkit::ppapi::PluginDelegate::PlatformContext3D*
 RenderWidgetFullscreenPepper::CreateContext3D() {
-  if (!context_) {
-    CreateContext();
-  }
-  if (!context_)
-    return NULL;
 #ifdef ENABLE_GPU
-  return new PlatformContext3DImpl(context_);
+  return new PlatformContext3DImpl(this);
 #else
   return NULL;
 #endif
 }
 
 void RenderWidgetFullscreenPepper::DidInitiatePaint() {
   if (plugin_)
     plugin_->ViewInitiatedPaint();
 }
 
@@ skipping 209 matching lines @@
   context_ = NULL;
   program_ = 0;
   buffer_ = 0;
   OnSwapBuffersAborted();
   CheckCompositing();
 }
 
 void RenderWidgetFullscreenPepper::OnSwapBuffersCompleteByRendererGLContext() {
   OnSwapBuffersComplete();
 }
+
+RendererGLContext*
+RenderWidgetFullscreenPepper::GetParentContextForPlatformContext3D() {
+  if (!context_) {
+    CreateContext();
+  }
+  if (!context_)
+    return NULL;
+  return context_;
+}