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

content/gpu/gpu_info_collector.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/gpu/gpu_info_collector.h"
 
 #include <string>
 #include <vector>
 
 #include "base/memory/scoped_ptr.h"
@@ skipping 14 matching lines @@
     LOG(ERROR) << "gfx::GLContext::CreateOffscreenGLSurface failed";
     return NULL;
   }
 
   return surface;
 }
 
 scoped_refptr<gfx::GLContext> InitializeGLContext(gfx::GLSurface* surface) {
 
   scoped_refptr<gfx::GLContext> context(
-      gfx::GLContext::CreateGLContext(NULL, surface));
+      gfx::GLContext::CreateGLContext(NULL,
+                                      surface,
+                                      gfx::PreferIntegratedGpu));
   if (!context.get()) {
     LOG(ERROR) << "gfx::GLContext::CreateGLContext failed";
     return NULL;
   }
 
   if (!context->MakeCurrent(surface)) {
     LOG(ERROR) << "gfx::GLContext::MakeCurrent() failed";
     return NULL;
   }
 
@@ skipping 69 matching lines @@
 
   std::string glsl_version = GetVersionFromString(glsl_version_string);
   gpu_info->pixel_shader_version = glsl_version;
   gpu_info->vertex_shader_version = glsl_version;
 
   return true;
 }
 
 }  // namespace gpu_info_collector