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

webkit/plugins/ppapi/ppapi_plugin_instance.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/ppapi_plugin_instance.h"
 
 #include "base/bind.h"
 #include "base/callback_helpers.h"
 #include "base/debug/trace_event.h"
 #include "base/logging.h"
@@ skipping 1477 matching lines @@
 void PluginInstance::UpdateFlashFullscreenState(bool flash_fullscreen) {
   bool is_mouselock_pending = TrackedCallback::IsPending(lock_mouse_callback_);
 
   if (flash_fullscreen == flash_fullscreen_) {
     // Manually clear callback when fullscreen fails with mouselock pending.
     if (!flash_fullscreen && is_mouselock_pending)
       lock_mouse_callback_->Run(PP_ERROR_FAILED);
     return;
   }
 
-  PPB_Graphics3D_Impl* graphics_3d  = bound_graphics_3d_.get();
-  if (graphics_3d) {
-    if (flash_fullscreen) {
-      fullscreen_container_->ReparentContext(graphics_3d->platform_context());
-    } else {
-      delegate_->ReparentContext(graphics_3d->platform_context());
-    }
+  if (bound_graphics_3d_)
     UpdateLayer();
-  }
 
   bool old_plugin_focus = PluginHasFocus();
   flash_fullscreen_ = flash_fullscreen;
   if (is_mouselock_pending && !delegate()->IsMouseLocked(this)) {
     if (!IsProcessingUserGesture() &&
         !module_->permissions().HasPermission(
             ::ppapi::PERMISSION_BYPASS_USER_GESTURE)) {
       lock_mouse_callback_->Run(PP_ERROR_NO_USER_GESTURE);
     } else {
       // Open a user gesture here so the Webkit user gesture checks will succeed
@@ skipping 965 matching lines @@
   screen_size_for_fullscreen_ = gfx::Size();
   WebElement element = container_->element();
   element.setAttribute(WebString::fromUTF8(kWidth), width_before_fullscreen_);
   element.setAttribute(WebString::fromUTF8(kHeight), height_before_fullscreen_);
   element.setAttribute(WebString::fromUTF8(kBorder), border_before_fullscreen_);
   element.setAttribute(WebString::fromUTF8(kStyle), style_before_fullscreen_);
 }
 
 }  // namespace ppapi
 }  // namespace webkit