Moves device_orientation to content namespace

content/browser/device_orientation/observer_delegate.h

 // Copyright (c) 2012 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 CONTENT_BROWSER_DEVICE_ORIENTATION_OBSERVER_DELEGATE_H_
 #define CONTENT_BROWSER_DEVICE_ORIENTATION_OBSERVER_DELEGATE_H_
 
 #include "content/browser/device_orientation/device_data.h"
 #include "content/browser/device_orientation/provider.h"
 
 namespace IPC {
 class Sender;
 }
 
-namespace device_orientation {
+namespace content {
 
 class ObserverDelegate
     : public base::RefCounted<ObserverDelegate>, public Provider::Observer {
  public:
   // Create ObserverDelegate that observes provider and forwards updates to
   // render_view_id.
   // Will stop observing provider when destructed.
   ObserverDelegate(DeviceData::Type device_data_type, Provider* provider,
                    int render_view_id, IPC::Sender* sender);
 
   // From Provider::Observer.
   virtual void OnDeviceDataUpdate(const DeviceData* device_data,
                                   DeviceData::Type device_data_type) OVERRIDE;
 
  private:
   static DeviceData* EmptyDeviceData(DeviceData::Type type);
 
   friend class base::RefCounted<ObserverDelegate>;
   virtual ~ObserverDelegate();
 
   scoped_refptr<Provider> provider_;
   int render_view_id_;
   IPC::Sender* sender_;  // Weak pointer.
 
   DISALLOW_COPY_AND_ASSIGN(ObserverDelegate);
 };
 
-}  // namespace device_orientation
+}  // namespace content
 
 #endif  // CONTENT_BROWSER_DEVICE_ORIENTATION_OBSERVER_DELEGATE_H_