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

ash/mus/shell_delegate_mus.h

Index: ash/mus/shell_delegate_mus.h
diff --git a/ash/shell/shell_delegate_impl.h b/ash/mus/shell_delegate_mus.h
similarity index 78%
copy from ash/shell/shell_delegate_impl.h
copy to ash/mus/shell_delegate_mus.h
index dbcaa59066ecfed8869617a1083cf795fb0cb9f6..a9ca638c535776853661d4a2a4dde0752326a47f 100644
--- a/ash/shell/shell_delegate_impl.h
+++ b/ash/mus/shell_delegate_mus.h
@@ -1,9 +1,9 @@
-// Copyright (c) 2012 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 ASH_SHELL_SHELL_DELEGATE_IMPL_H_
-#define ASH_SHELL_SHELL_DELEGATE_IMPL_H_
+#ifndef ASH_MUS_SHELL_DELEGATE_MUS_H_
+#define ASH_MUS_SHELL_DELEGATE_MUS_H_
 
 #include <string>
 
@@ -16,14 +16,12 @@ class KeyboardUI;
 }
 
 namespace ash {
-namespace shell {
+namespace sysui {
 
-class ShelfDelegateImpl;
-
-class ShellDelegateImpl : public ash::ShellDelegate {
+class ShellDelegateMus : public ash::ShellDelegate {
  public:
-  ShellDelegateImpl();
-  ~ShellDelegateImpl() override;
+  ShellDelegateMus();
+  ~ShellDelegateMus() override;
 
   bool IsFirstRunAfterBoot() const override;
   bool IsIncognitoAllowed() const override;
@@ -56,13 +54,10 @@ class ShellDelegateImpl : public ash::ShellDelegate {
   gfx::Image GetDeprecatedAcceleratorImage() const override;
 
  private:
-  ShelfDelegateImpl* shelf_delegate_;
-  scoped_ptr<app_list::AppListViewDelegate> app_list_view_delegate_;
-
-  DISALLOW_COPY_AND_ASSIGN(ShellDelegateImpl);
+  DISALLOW_COPY_AND_ASSIGN(ShellDelegateMus);
 };
 
-}  // namespace shell
+}  // namespace sysui
 }  // namespace ash
 
-#endif  // ASH_SHELL_SHELL_DELEGATE_IMPL_H_
+#endif  // ASH_MUS_SHELL_DELEGATE_MUS_H_