Mandoline UI Process: Update namespaces and file names

components/mus/gesture_manager_delegate.h

 // 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.
 
 #ifndef COMPONENTS_MUS_GESTURE_MANAGER_DELEGATE_H_
 #define COMPONENTS_MUS_GESTURE_MANAGER_DELEGATE_H_
 
 #include <set>
 
 #include "components/mus/public/cpp/types.h"
 #include "ui/mojo/events/input_events.mojom.h"
 
-namespace view_manager {
+namespace mus {
 
 class GestureManagerDelegate {
  public:
   // Informs the delegate of a pointer event. The delegate should asynchronously
   // respond with the set of gestures appropriate for the view
   // (GestureManager::SetGestures()).
   // |has_chosen_gesture| is true if a gesture has been chosen.
   virtual void ProcessEvent(const ServerView* view,
                             mojo::EventPtr event,
                             bool has_chosen_gesture) = 0;
 
  protected:
   virtual ~GestureManagerDelegate() {}
 };
 
-}  // namespace view_manager
+}  // namespace mus
 
 #endif  // COMPONENTS_MUS_GESTURE_MANAGER_DELEGATE_H_