Nukes view_manager namespace

mojo/services/view_manager/test_change_tracker.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 MOJO_SERVICES_VIEW_MANAGER_TEST_CHANGE_TRACKER_H_
 #define MOJO_SERVICES_VIEW_MANAGER_TEST_CHANGE_TRACKER_H_
 
 #include <string>
 #include <vector>
 
 #include "mojo/public/cpp/bindings/array.h"
 #include "mojo/services/public/cpp/view_manager/types.h"
 #include "mojo/services/public/interfaces/view_manager/view_manager.mojom.h"
 #include "ui/gfx/rect.h"
 
 namespace mojo {
-namespace view_manager {
 namespace service {
 
 enum ChangeType {
   CHANGE_TYPE_CONNECTION_ESTABLISHED,
   CHANGE_TYPE_ROOTS_ADDED,
   CHANGE_TYPE_NODE_BOUNDS_CHANGED,
   CHANGE_TYPE_NODE_HIERARCHY_CHANGED,
   CHANGE_TYPE_NODE_REORDERED,
   CHANGE_TYPE_NODE_DELETED,
   CHANGE_TYPE_VIEW_DELETED,
@@ skipping 90 matching lines @@
  private:
   void AddChange(const Change& change);
 
   Delegate* delegate_;
   std::vector<Change> changes_;
 
   DISALLOW_COPY_AND_ASSIGN(TestChangeTracker);
 };
 
 }  // namespace service
-}  // namespace view_manager
 }  // namespace mojo
 
 #endif  // MOJO_SERVICES_VIEW_MANAGER_TEST_CHANGE_TRACKER_H_