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

views/widget/native_widget_wayland.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 "views/widget/native_widget_wayland.h"
 
 #include <cairo.h>
 #include <cairo-gl.h>
 #include <EGL/egl.h>
 #include <GL/gl.h>
@@ skipping 76 matching lines @@
       compositor_ = (*Widget::compositor_factory())();
     } else {
       compositor_ = ui::Compositor::Create(this,
                                            egl_window_,
                                            allocation_.size());
     }
     if (compositor_.get())
       delegate_->AsWidget()->GetRootView()->SetPaintToLayer(true);
   } else {
     surface_ = gfx::GLSurface::CreateViewGLSurface(false, egl_window_);
-    context_ = gfx::GLContext::CreateGLContext(NULL, surface_.get());
+    context_ = gfx::GLContext::CreateGLContext(
+        NULL,
+        surface_.get(),
+        gfx::PreferIntegratedGpu);
 
     if (!context_->MakeCurrent(surface_.get()))
       DLOG(ERROR) << "Failed to make surface current";
 
     device_ = cairo_egl_device_create(gfx::GLSurfaceEGL::GetHardwareDisplay(),
                                       context_->GetHandle());
     if (cairo_device_status(device_) != CAIRO_STATUS_SUCCESS)
       DLOG(ERROR) << "Failed to create cairo egl device";
 
     cairo_surface_ = cairo_gl_surface_create_for_egl(device_,
@@ skipping 567 matching lines @@
 
 // static
 bool NativeWidgetPrivate::IsMouseButtonDown() {
   NOTIMPLEMENTED();
   return false;
 }
 
 }  // namespace internal
 
 }  // namespace views