ash/mash: Add a mus-client that sets up ash to provide the system ui for mash.

ash/mus/stub_context_factory.h

Index: ash/mus/stub_context_factory.h
diff --git a/blimp/engine/app/ui/blimp_ui_context_factory.h b/ash/mus/stub_context_factory.h
similarity index 66%
copy from blimp/engine/app/ui/blimp_ui_context_factory.h
copy to ash/mus/stub_context_factory.h
index 4028b54d42c36d4de912444732e4b58f199037c3..0693f28603ade9b2353e7d9dbaa7f143a46d8ee5 100644
--- a/blimp/engine/app/ui/blimp_ui_context_factory.h
+++ b/ash/mus/stub_context_factory.h
@@ -1,23 +1,25 @@
-// Copyright 2015 The Chromium Authors. All rights reserved.
+// Copyright 2016 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.
 
-#ifndef BLIMP_ENGINE_APP_UI_BLIMP_UI_CONTEXT_FACTORY_H_
-#define BLIMP_ENGINE_APP_UI_BLIMP_UI_CONTEXT_FACTORY_H_
-
-#include <stdint.h>
+#ifndef ASH_MUS_STUB_CONTEXT_FACTORY_H_
+#define ASH_MUS_STUB_CONTEXT_FACTORY_H_
 
 #include "base/macros.h"
-#include "blimp/common/compositor/blimp_task_graph_runner.h"
+#include "base/memory/scoped_ptr.h"
 #include "ui/compositor/compositor.h"
 
-namespace blimp {
-namespace engine {
+namespace cc {
+class SingleThreadTaskGraphRunner;
+}
+
+namespace ash {
+namespace sysui {
 
-class BlimpUiContextFactory : public ui::ContextFactory {
+class StubContextFactory : public ui::ContextFactory {
  public:
-  BlimpUiContextFactory();
-  ~BlimpUiContextFactory() override;
+  StubContextFactory();
+  ~StubContextFactory() override;
 
  private:
   // ui::ContextFactory implementation.
@@ -39,12 +41,12 @@ class BlimpUiContextFactory : public ui::ContextFactory {
                      const gfx::Size& size) override;
 
   uint32_t next_surface_id_namespace_;
-  BlimpTaskGraphRunner task_graph_runner_;
+  scoped_ptr<cc::SingleThreadTaskGraphRunner> task_graph_runner_;
 
-  DISALLOW_COPY_AND_ASSIGN(BlimpUiContextFactory);
+  DISALLOW_COPY_AND_ASSIGN(StubContextFactory);
 };
 
-}  // namespace engine
-}  // namespace blimp
+}  // namespace sysui
+}  // namespace ash
 
-#endif  // BLIMP_ENGINE_APP_UI_BLIMP_UI_CONTEXT_FACTORY_H_
+#endif  // ASH_MUS_STUB_CONTEXT_FACTORY_H_