Move disable_display_vsync out of RendererSettings

ui/compositor/compositor.cc

Index: ui/compositor/compositor.cc
diff --git a/ui/compositor/compositor.cc b/ui/compositor/compositor.cc
index 862bc1b92a5dac1b389f279c3dbf0317ad1ca82a..45357f61e68f9f3403689d0def509908b934fde6 100644
--- a/ui/compositor/compositor.cc
+++ b/ui/compositor/compositor.cc
@@ -87,16 +87,6 @@ Compositor::Compositor(const cc::FrameSinkId& frame_sink_id,
       context_factory_->DoesCreateTestContexts() ? kTestRefreshRate
                                                  : kDefaultRefreshRate;
   settings.main_frame_before_activation_enabled = false;
-  if (command_line->HasSwitch(switches::kDisableGpuVsync)) {
-    std::string display_vsync_string =
-        command_line->GetSwitchValueASCII(switches::kDisableGpuVsync);
-    // See comments in gl_switches about this flag.  The browser compositor
-    // is only unthrottled when "gpu" or no switch value is passed, as it
-    // is driven directly by the display compositor.
-    if (display_vsync_string != "beginframe") {
-      settings.renderer_settings.disable_display_vsync = true;
-    }
-  }
   settings.renderer_settings.partial_swap_enabled =
       !command_line->HasSwitch(switches::kUIDisablePartialSwap);
 #if defined(OS_WIN)