Implement Device Orientation using shared memory in content/renderer.

content/browser/device_orientation/message_filter.cc

 // 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.
 
 #include "content/browser/device_orientation/message_filter.h"
 
 #include "content/browser/device_orientation/observer_delegate.h"
 #include "content/browser/device_orientation/provider.h"
 #include "content/public/browser/browser_thread.h"
 
 namespace content {
 
-DeviceOrientationMessageFilter::DeviceOrientationMessageFilter(
+DeviceOrientationMessageFilterOld::DeviceOrientationMessageFilterOld(
     DeviceData::Type device_data_type)
     : provider_(NULL),
       device_data_type_(device_data_type) {
 }
 
-DeviceOrientationMessageFilter::~DeviceOrientationMessageFilter() {
+DeviceOrientationMessageFilterOld::~DeviceOrientationMessageFilterOld() {
 }
 
-void DeviceOrientationMessageFilter::OnStartUpdating(int render_view_id) {
+void DeviceOrientationMessageFilterOld::OnStartUpdating(int render_view_id) {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
 
   if (!provider_.get())
     provider_ = Provider::GetInstance();
 
   observers_map_[render_view_id] = new ObserverDelegate(
       device_data_type_, provider_.get(), render_view_id, this);
 }
 
-void DeviceOrientationMessageFilter::OnStopUpdating(int render_view_id) {
+void DeviceOrientationMessageFilterOld::OnStopUpdating(int render_view_id) {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
 
   observers_map_.erase(render_view_id);
 }
 
 }  // namespace content