Chromium plumbing for Device Orientation.

chrome/common/render_messages_internal.h

 // Copyright (c) 2010 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.
 
 // This header is meant to be included in multiple passes, hence no traditional
 // header guard.
 // See ipc_message_macros.h for explanation of the macros and passes.
 
 #include <map>
 #include <string>
@@ skipping 972 matching lines @@
 
   // Indicate that speech recognizer has stopped recording and started
   // recognition.
   IPC_MESSAGE_ROUTED0(ViewMsg_SpeechInput_RecordingComplete)
 
   // Indicate that speech recognizer has completed recognition. This will be
   // the last message sent in response to a
   // ViewHostMsg_SpeechInput_StartRecognition.
   IPC_MESSAGE_ROUTED0(ViewMsg_SpeechInput_RecognitionComplete)
 
+  // Notification that the device's orientation has changed.
+  IPC_MESSAGE_ROUTED1(ViewMsg_DeviceOrientationUpdated,
+                      ViewMsg_DeviceOrientationUpdated_Params)
+
 IPC_END_MESSAGES(View)
 
 
 //-----------------------------------------------------------------------------
 // TabContents messages
 // These are messages sent from the renderer to the browser process.
 
 IPC_BEGIN_MESSAGES(ViewHost)
   // Sent by the renderer when it is creating a new window.  The browser creates
   // a tab for it and responds with a ViewMsg_CreatingNew_ACK.  If route_id is
@@ skipping 1573 matching lines @@
   IPC_MESSAGE_CONTROL1(ViewHostMsg_SpeechInput_CancelRecognition,
                        int /* render_view_id */)
 
   // Requests the speech input service to stop audio recording on behalf of
   // the given |render_view_id|. Any audio recorded so far will be fed to the
   // speech recognizer. If speech recognition is not happening nor or is
   // happening on behalf of some other render view, this call does nothing.
   IPC_MESSAGE_CONTROL1(ViewHostMsg_SpeechInput_StopRecording,
                        int /* render_view_id */)
 
+  //---------------------------------------------------------------------------
+  // Device orientation services messages:
+
+  // A RenderView requests to start receiving device orientation updates.
+  IPC_MESSAGE_CONTROL1(ViewHostMsg_DeviceOrientation_StartUpdating,
+                       int /* render_view_id */)
+
+  // A RenderView requests to stop receiving device orientation updates.
+  IPC_MESSAGE_CONTROL1(ViewHostMsg_DeviceOrientation_StopUpdating,
+                       int /* render_view_id */)
+
 IPC_END_MESSAGES(ViewHost)