| Index: ui/compositor/compositor.cc | 
| diff --git a/ui/compositor/compositor.cc b/ui/compositor/compositor.cc | 
| index 91302734c727812b0170acef6a2794d2ba0a699c..2da23fd61bce55bfe85991c687b2e9b48a06008d 100644 | 
| --- a/ui/compositor/compositor.cc | 
| +++ b/ui/compositor/compositor.cc | 
| @@ -210,6 +210,8 @@ Compositor::Compositor(gfx::AcceleratedWidget widget) | 
| ContextFactory::GetInstance()->DoesCreateTestContexts() | 
| ? kTestRefreshRate | 
| : kDefaultRefreshRate; | 
| +  settings.main_frame_before_draw_enabled = false; | 
| +  settings.main_frame_before_activation_enabled = false; | 
| settings.partial_swap_enabled = | 
| !command_line->HasSwitch(cc::switches::kUIDisablePartialSwap); | 
| #if defined(OS_CHROMEOS) | 
|  |