Make ReflectorImpl use mailboxes

content/browser/compositor/browser_compositor_output_surface.cc

Index: content/browser/compositor/browser_compositor_output_surface.cc
diff --git a/content/browser/compositor/browser_compositor_output_surface.cc b/content/browser/compositor/browser_compositor_output_surface.cc
index 6f82df4bb921fdd70f16b86e3b44de91f10649da..b1cdd90e54e068b94c6e7ffe509192199beb3863 100644
--- a/content/browser/compositor/browser_compositor_output_surface.cc
+++ b/content/browser/compositor/browser_compositor_output_surface.cc
@@ -40,6 +40,9 @@ BrowserCompositorOutputSurface::BrowserCompositorOutputSurface(
 
 BrowserCompositorOutputSurface::~BrowserCompositorOutputSurface() {
   DCHECK(CalledOnValidThread());
+  if (reflector_)
+    reflector_->DetachFromOutputSurface();
+  DCHECK(!reflector_);
   if (!HasClient())
     return;
   output_surface_map_->Remove(surface_id_);
@@ -62,18 +65,11 @@ bool BrowserCompositorOutputSurface::BindToClient(
 
   output_surface_map_->AddWithID(this, surface_id_);
   if (reflector_)
-    reflector_->OnSourceSurfaceReady(surface_id_);
+    reflector_->OnSourceSurfaceReady(this);
   vsync_manager_->AddObserver(this);
   return true;
 }
 
-void BrowserCompositorOutputSurface::Reshape(const gfx::Size& size,
-                                             float scale_factor) {
-  OutputSurface::Reshape(size, scale_factor);
-  if (reflector_.get())
-    reflector_->OnReshape(size);
-}
-
 void BrowserCompositorOutputSurface::OnUpdateVSyncParameters(
     base::TimeTicks timebase,
     base::TimeDelta interval) {