Enabling Aura-Mus clients to submit frames to Mus.

ui/aura/mus/window_tree_host_mus.cc

 // Copyright 2015 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "ui/aura/mus/window_tree_host_mus.h"
 
 #include "base/memory/ptr_util.h"
 #include "ui/aura/env.h"
 #include "ui/aura/mus/input_method_mus.h"
 #include "ui/aura/mus/window_port_mus.h"
@@ skipping 45 matching lines @@
   OnAcceleratedWidgetAvailable(accelerated_widget, 1.f);
 
   delegate_->OnWindowTreeHostCreated(this);
 
   SetPlatformWindow(base::MakeUnique<ui::StubWindow>(
       this,
       false));  // Do not advertise accelerated widget; already set manually.
 
   input_method_ = base::MakeUnique<InputMethodMus>(this, window());
 
-  // TODO: hook up to compositor correctly.
-  // compositor()->SetWindow(window);
-
   compositor()->SetHostHasTransparentBackground(true);
 
   // Mus windows are assumed hidden.
   compositor()->SetVisible(false);
 }
 
 WindowTreeHostMus::WindowTreeHostMus(WindowTreeClient* window_tree_client)
     : WindowTreeHostMus(
           static_cast<WindowTreeHostMusDelegate*>(window_tree_client)
               ->CreateWindowPortForTopLevel(),
@@ skipping 54 matching lines @@
 void WindowTreeHostMus::OnCloseRequest() {
   OnHostCloseRequested();
 }
 
 gfx::ICCProfile WindowTreeHostMus::GetICCProfileForCurrentDisplay() {
   // TODO: This should read the profile from mus. crbug.com/647510
   return gfx::ICCProfile();
 }
 
 }  // namespace aura