Implements part of Device Motion in the Renderer

content/browser/device_orientation/observer_delegate.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/observer_delegate.h"
 
 #include "base/logging.h"
 #include "content/browser/device_orientation/device_data.h"
+#include "content/browser/device_orientation/motion.h"
 #include "content/browser/device_orientation/orientation.h"
 #include "ipc/ipc_sender.h"
 
 namespace content {
 
 ObserverDelegate::ObserverDelegate(DeviceData::Type device_data_type,
                                    Provider* provider, int render_view_id,
                                    IPC::Sender* sender)
     : Observer(device_data_type),
       provider_(provider),
       render_view_id_(render_view_id),
       sender_(sender) {
   provider_->AddObserver(this);
 }
 
 ObserverDelegate::~ObserverDelegate() {
   provider_->RemoveObserver(this);
 }
 
 void ObserverDelegate::OnDeviceDataUpdate(
     const DeviceData* device_data, DeviceData::Type device_data_type) {
   scoped_refptr<const DeviceData> new_device_data(device_data);
   if (!new_device_data.get())
     new_device_data = EmptyDeviceData(device_data_type);
 
   sender_->Send(new_device_data->CreateIPCMessage(render_view_id_));
 }
 
 DeviceData* ObserverDelegate::EmptyDeviceData(DeviceData::Type type) {
-  DCHECK(type == DeviceData::kTypeOrientation);
-  return new Orientation();
+  switch (type) {
+    case DeviceData::kTypeMotion:
+      return new Motion();
+    case DeviceData::kTypeOrientation:
+      return new Orientation();
+    case DeviceData::kTypeTest:
+      NOTREACHED();
+  }
+  NOTREACHED();
+  return NULL;
 }
 
 }  // namespace content