Allow std::unordered_*.

components/mus/ws/display_manager.h

 // Copyright 2014 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 COMPONENTS_MUS_WS_DISPLAY_MANAGER_H_
 #define COMPONENTS_MUS_WS_DISPLAY_MANAGER_H_
 
 #include <map>
 
 #include "base/basictypes.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/memory/weak_ptr.h"
+#include "base/strings/string16.h"
 #include "base/timer/timer.h"
 #include "components/mus/public/interfaces/window_tree.mojom.h"
 #include "components/mus/ws/display_manager_delegate.h"
 #include "mojo/public/cpp/bindings/callback.h"
 #include "ui/gfx/geometry/rect.h"
 #include "ui/platform_window/platform_window_delegate.h"
 
 namespace cc {
 class CompositorFrame;
 class SurfaceIdAllocator;
@@ skipping 129 matching lines @@
   base::WeakPtrFactory<DefaultDisplayManager> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(DefaultDisplayManager);
 };
 
 }  // namespace ws
 
 }  // namespace mus
 
 #endif  // COMPONENTS_MUS_WS_DISPLAY_MANAGER_H_