Use SwapBuffersWithBounds on Chromecast

cc/output/overlay_processor.cc

Index: cc/output/overlay_processor.cc
diff --git a/cc/output/overlay_processor.cc b/cc/output/overlay_processor.cc
index 8a1a9e7fd73cd727fc971973b8612d64c85c77b3..9c7bf4cd4686e874d0d15dbb52ebb564e95a35e4 100644
--- a/cc/output/overlay_processor.cc
+++ b/cc/output/overlay_processor.cc
@@ -39,6 +39,9 @@ class SendPromotionHintsBeforeReturning {
 
 namespace cc {
 
+void OverlayProcessor::Strategy::GetContentBounds(
+    std::vector<gfx::Rect>* bounds) {}
+
 OverlayProcessor::OverlayProcessor(OutputSurface* surface) : surface_(surface) {
 }
 
@@ -58,6 +61,13 @@ gfx::Rect OverlayProcessor::GetAndResetOverlayDamage() {
   return result;
 }
 
+void OverlayProcessor::GetContentBounds(
+    std::vector<gfx::Rect>* content_bounds) {
+  DCHECK(content_bounds);
+  content_bounds->insert(content_bounds->end(), content_bounds_.begin(),

[danakj, 2017/02/14 17:28:58]

why append and not replace the contents?

[halliwell, 2017/02/15 22:29:04]

This function removed now.

+                         content_bounds_.end());
+}
+
 bool OverlayProcessor::ProcessForCALayers(
     ResourceProvider* resource_provider,
     RenderPass* render_pass,
@@ -100,6 +110,7 @@ void OverlayProcessor::ProcessForOverlays(
   // they are not promotable.
   SendPromotionHintsBeforeReturning notifier(resource_provider, candidates);
 #endif
+  content_bounds_.clear();
 
   // If we have any copy requests, we can't remove any quads for overlays or
   // CALayers because the framebuffer would be missing the removed quads'
@@ -124,6 +135,7 @@ void OverlayProcessor::ProcessForOverlays(
       continue;
 
     UpdateDamageRect(candidates, damage_rect);
+    strategy->GetContentBounds(&content_bounds_);
     return;
   }
 }