Android WebView: Always send memory policy from Browser to Renderer.

content/renderer/android/synchronous_compositor_output_surface.cc

Index: content/renderer/android/synchronous_compositor_output_surface.cc
diff --git a/content/renderer/android/synchronous_compositor_output_surface.cc b/content/renderer/android/synchronous_compositor_output_surface.cc
index a26bb2f0c95078f8a4fc80cfbeb2eb712e1293d8..ffea3862ca6a2c06585438093d0e09249ae12e3c 100644
--- a/content/renderer/android/synchronous_compositor_output_surface.cc
+++ b/content/renderer/android/synchronous_compositor_output_surface.cc
@@ -106,6 +106,7 @@ void SynchronousCompositorOutputSurface::SetSyncClient(
     SynchronousCompositorOutputSurfaceClient* compositor) {
   DCHECK(CalledOnValidThread());
   sync_client_ = compositor;
+  Send(new SyncCompositorHostMsg_OutputSurfaceCreated(routing_id_));

[boliu, 2016/06/04 00:47:01]

only do this if sync_client_ is not null

 }
 
 bool SynchronousCompositorOutputSurface::OnMessageReceived(
@@ -131,7 +132,6 @@ bool SynchronousCompositorOutputSurface::BindToClient(
                  base::Unretained(this)));
   registry_->RegisterOutputSurface(routing_id_, this);
   registered_ = true;
-  Send(new SyncCompositorHostMsg_OutputSurfaceCreated(routing_id_));
   return true;
 }