Revert 165513 "Make fullscreen Flash use the discrete GPU"

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 545 matching lines @@
 void RenderWidgetFullscreenPepper::CreateContext() {
   DCHECK(!context_);
   CommandLine* command_line = CommandLine::ForCurrentProcess();
   if (command_line->HasSwitch(switches::kDisableFlashFullscreen3d))
     return;
   WebKit::WebGraphicsContext3D::Attributes attributes;
   attributes.depth = false;
   attributes.stencil = false;
   attributes.antialias = false;
   attributes.shareResources = false;
-  attributes.preferDiscreteGPU = true;
   context_ = WebGraphicsContext3DCommandBufferImpl::CreateViewContext(
       RenderThreadImpl::current(),
       surface_id(),
       NULL,
       attributes,
       true /* bind generates resources */,
       active_url_,
       CAUSE_FOR_GPU_LAUNCH_RENDERWIDGETFULLSCREENPEPPER_CREATECONTEXT);
   if (!context_)
     return;
@@ skipping 128 matching lines @@
 RenderWidgetFullscreenPepper::GetParentContextForPlatformContext3D() {
   if (!context_) {
     CreateContext();
   }
   if (!context_)
     return NULL;
   return context_;
 }
 
 }  // namespace content