Hide fullscreen rotation jank

chrome/browser/android/compositor/compositor_view.cc

Index: chrome/browser/android/compositor/compositor_view.cc
diff --git a/chrome/browser/android/compositor/compositor_view.cc b/chrome/browser/android/compositor/compositor_view.cc
index 4b525711cbc5f59c6f6a1e0f101bafb52872234a..c02579198e6f9569d6092069d0e2a72dc9a9b1a9 100644
--- a/chrome/browser/android/compositor/compositor_view.cc
+++ b/chrome/browser/android/compositor/compositor_view.cc
@@ -185,10 +185,10 @@ void CompositorView::SetLayoutBounds(JNIEnv* env,
 }
 
 void CompositorView::SetBackground(bool visible, SkColor color) {
-  if (overlay_video_mode_)
-    visible = false;
   root_layer_->SetBackgroundColor(color);
   root_layer_->SetIsDrawable(visible);
+  compositor_->SetHasTransparentBackground(SkColorGetA(color) ==
+                                           SK_AlphaTRANSPARENT);
 }
 
 void CompositorView::SetOverlayVideoMode(JNIEnv* env,
@@ -197,7 +197,6 @@ void CompositorView::SetOverlayVideoMode(JNIEnv* env,
   if (overlay_video_mode_ == enabled)
     return;
   overlay_video_mode_ = enabled;
-  compositor_->SetHasTransparentBackground(enabled);
   SetNeedsComposite(env, object);
 }