Chromium plumbing for Device Orientation.

chrome/common/render_messages_internal.h

Index: chrome/common/render_messages_internal.h
diff --git a/chrome/common/render_messages_internal.h b/chrome/common/render_messages_internal.h
index 95389c468d4d0666c7851f6014af2167ff29a099..3484d300475a7953c89103cbe8de5f1f48f3afa2 100644
--- a/chrome/common/render_messages_internal.h
+++ b/chrome/common/render_messages_internal.h
@@ -990,6 +990,10 @@ IPC_BEGIN_MESSAGES(View)
   // 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)
 
 
@@ -2583,4 +2587,15 @@ IPC_BEGIN_MESSAGES(ViewHost)
   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)