Support dynamic switching between integrated and discrete GPUs on Mac OS X.

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"
 #include "content/renderer/pepper_platform_context_3d_impl.h"
 #include "content/renderer/render_thread_impl.h"
 #include "gpu/command_buffer/client/gles2_implementation.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebCursorInfo.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebSize.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebWidget.h"
+#include "ui/gfx/gl/gpu_preference.h"
 #include "webkit/plugins/ppapi/plugin_delegate.h"
 #include "webkit/plugins/ppapi/ppapi_plugin_instance.h"
 
 using WebKit::WebCanvas;
 using WebKit::WebCompositionUnderline;
 using WebKit::WebCursorInfo;
 using WebKit::WebInputEvent;
 using WebKit::WebMouseEvent;
 using WebKit::WebPoint;
 using WebKit::WebRect;
@@ skipping 328 matching lines @@
     RendererGLContext::SHARE_RESOURCES, 0,
     RendererGLContext::BIND_GENERATES_RESOURCES, 1,
     RendererGLContext::NONE,
   };
   context_ = RendererGLContext::CreateViewContext(
       host,
       routing_id(),
       NULL,
       "GL_OES_packed_depth_stencil GL_OES_depth24",
       attribs,
-      active_url_);
+      active_url_,
+      gfx::PreferIntegratedGpu);
   if (!context_)
     return;
 
   if (!InitContext()) {
     DestroyContext(context_, program_, buffer_);
     context_ = NULL;
     return;
   }
   context_->SetContextLostCallback(
       base::Bind(&RenderWidgetFullscreenPepper::OnLostContext, this));
@@ skipping 127 matching lines @@
   context_ = NULL;
   program_ = 0;
   buffer_ = 0;
   OnSwapBuffersAborted();
   CheckCompositing();
 }
 
 void RenderWidgetFullscreenPepper::OnSwapBuffersCompleteByRendererGLContext() {
   OnSwapBuffersComplete();
 }