Hide fullscreen rotation jank

content/browser/renderer_host/compositor_impl_android.cc

Index: content/browser/renderer_host/compositor_impl_android.cc
diff --git a/content/browser/renderer_host/compositor_impl_android.cc b/content/browser/renderer_host/compositor_impl_android.cc
index fff5edb377455b6abe81f8e9a36ca5d764c3e107..d46f195dcb7b771dc710f66ffb6d86befb512868 100644
--- a/content/browser/renderer_host/compositor_impl_android.cc
+++ b/content/browser/renderer_host/compositor_impl_android.cc
@@ -587,15 +587,7 @@ void CompositorImpl::SetHasTransparentBackground(bool transparent) {
   has_transparent_background_ = transparent;
   if (host_) {
     host_->set_has_transparent_background(transparent);
-
-    // Give a delay in setting the background color to avoid the color for
-    // the normal mode (white) affecting the UI transition.
-    base::ThreadTaskRunnerHandle::Get().get()->PostDelayedTask(
-        FROM_HERE,
-        base::Bind(&CompositorImpl::SetBackgroundColor,
-                   weak_factory_.GetWeakPtr(),
-                   transparent ? SK_ColorBLACK : SK_ColorWHITE),
-        base::TimeDelta::FromMilliseconds(500));
+    SetBackgroundColor(transparent ? SK_ColorBLACK : SK_ColorWHITE);

[Khushal, 2017/06/07 05:36:01]

Could you leave a TODO here to set the color based on the color of the renderer
frame.

[steimel, 2017/06/13 23:15:44]

Done.

   }
 }