Make disable vsync run the renderer independently

content/renderer/gpu/render_widget_compositor.cc

Index: content/renderer/gpu/render_widget_compositor.cc
diff --git a/content/renderer/gpu/render_widget_compositor.cc b/content/renderer/gpu/render_widget_compositor.cc
index 8f5c7320d55128dc2c20a191b1ac4fd411e1e934..18ff6f71c8c3d730b51a8e7e8d212c3e2b15f62e 100644
--- a/content/renderer/gpu/render_widget_compositor.cc
+++ b/content/renderer/gpu/render_widget_compositor.cc
@@ -272,18 +272,6 @@ cc::LayerTreeSettings RenderWidgetCompositor::GenerateLayerTreeSettings(
   // to keep content always crisp when possible.
   settings.layer_transforms_should_scale_layer_contents = true;
 
-  if (cmd.HasSwitch(switches::kDisableGpuVsync)) {
-    std::string display_vsync_string =
-        cmd.GetSwitchValueASCII(switches::kDisableGpuVsync);
-    if (display_vsync_string == "gpu") {
-      settings.renderer_settings.disable_display_vsync = true;
-    } else if (display_vsync_string == "beginframe") {
-      settings.wait_for_beginframe_interval = false;
-    } else {
-      settings.renderer_settings.disable_display_vsync = true;
-      settings.wait_for_beginframe_interval = false;
-    }
-  }
   settings.main_frame_before_activation_enabled =
       cmd.HasSwitch(cc::switches::kEnableMainFrameBeforeActivation);