Index: ui/aura/mus/window_compositor_frame_sink.cc |
diff --git a/ui/aura/mus/window_compositor_frame_sink.cc b/ui/aura/mus/window_compositor_frame_sink.cc |
index 7d252b89d69e1edbe206a486c1f95342d9988f0a..60b19af9395e67b6a6711323cb3a296ec7e4e969 100644 |
--- a/ui/aura/mus/window_compositor_frame_sink.cc |
+++ b/ui/aura/mus/window_compositor_frame_sink.cc |
@@ -5,6 +5,7 @@ |
#include "ui/aura/mus/window_compositor_frame_sink.h" |
#include "base/bind.h" |
+#include "cc/output/begin_frame_args.h" |
#include "cc/output/compositor_frame_sink_client.h" |
#include "gpu/ipc/client/gpu_channel_host.h" |
@@ -119,6 +120,12 @@ void WindowCompositorFrameSink::OnNeedsBeginFrames(bool needs_begin_frames) { |
compositor_frame_sink_->SetNeedsBeginFrame(needs_begin_frames); |
} |
+void WindowCompositorFrameSink::OnDidFinishFrame(const cc::BeginFrameAck& ack) { |
+ // If there was damage, SubmitCompositorFrame serves as ack. |
+ if (!ack.has_damage) |
+ compositor_frame_sink_->BeginFrameDidNotDraw(ack); |
+} |
+ |
WindowCompositorFrameSinkBinding::~WindowCompositorFrameSinkBinding() {} |
WindowCompositorFrameSinkBinding::WindowCompositorFrameSinkBinding( |