[Ozone] Fix SingleOnTop issue by checking if the quad is clipped.

cc/output/overlay_candidate.h

Index: cc/output/overlay_candidate.h
diff --git a/cc/output/overlay_candidate.h b/cc/output/overlay_candidate.h
index b3e7fb359f19e4b7e6a1d15ace9f5cc3046c97c9..e3070fb41800aff15a2429095999eff5fdde8384 100644
--- a/cc/output/overlay_candidate.h
+++ b/cc/output/overlay_candidate.h
@@ -41,6 +41,16 @@ class CC_EXPORT OverlayCandidate {
   gfx::RectF display_rect;
   // Crop within the buffer to be placed inside |display_rect|.
   gfx::RectF uv_rect;
+

[danakj, 2015/08/31 22:11:47]

don't add whitespace between each one? the old fields don't have this

[william.xie1, 2015/09/01 03:40:33]

Done.

+  // Quad geometry rect after applying the quad_transform().
+  gfx::RectF geometry_rect;

[danakj, 2015/08/31 22:11:47]

call this quad_rect_in_target_space?

[danakj, 2015/08/31 22:11:47]

can you make this a Rect

[william.xie1, 2015/09/01 03:40:33]

Done.

+
+  // Clip rect in the target content space after composition.
+  gfx::Rect clip_rect;
+
+  // If the quad is clipped after composition.
+  bool is_clipped;
+
   // Texture resource to present in an overlay.
   unsigned resource_id;
   // Stacking order of the overlay plane relative to the main surface,