Added MojoCompositorFrameSink::EvictFrame() and MojoCompositorFrameSinkClient::WillDrawSurface()

services/ui/surfaces/gpu_compositor_frame_sink.cc

Index: services/ui/surfaces/gpu_compositor_frame_sink.cc
diff --git a/services/ui/surfaces/gpu_compositor_frame_sink.cc b/services/ui/surfaces/gpu_compositor_frame_sink.cc
index 92e2ec05c6b60dc57b6fe2063c6f7f8cab3798a1..9304c87ec5a59729f1ad700f7347a95eef95e331 100644
--- a/services/ui/surfaces/gpu_compositor_frame_sink.cc
+++ b/services/ui/surfaces/gpu_compositor_frame_sink.cc
@@ -97,6 +97,11 @@ void GpuCompositorFrameSink::SubmitCompositorFrame(
   }
 }
 
+void GpuCompositorFrameSink::EvictFrame() {
+  // TODO(fsamuel, staraz): Implement this.
+  NOTIMPLEMENTED();

[Fady Samuel, 2016/12/01 21:55:41]

Implement it here? surface_factory_.EvictSurface();

[Alex Z., 2016/12/01 21:59:15]

Done.

+}
+
 void GpuCompositorFrameSink::DidReceiveCompositorFrameAck() {
   if (!client_)
     return;