Properly route screen orientation IPC messages.

content/common/screen_orientation_messages.h

 // Copyright 2014 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.
 
 // IPC messages for screen orientation.
 // Multiply-included message file, hence no include guard.
 
 #include "content/common/content_export.h"
 #include "ipc/ipc_message_macros.h"
 #include "third_party/WebKit/public/platform/WebLockOrientationCallback.h"
@@ skipping 11 matching lines @@
 IPC_ENUM_TRAITS_MIN_MAX_VALUE(blink::WebScreenOrientationLockType,
                               blink::WebScreenOrientationLockDefault,
                               blink::WebScreenOrientationLockPortrait)
 IPC_ENUM_TRAITS_MIN_MAX_VALUE(
       blink::WebLockOrientationCallback::ErrorType,
       blink::WebLockOrientationCallback::ErrorTypeNotAvailable,
       blink::WebLockOrientationCallback::ErrorTypeCanceled)
 
 // The browser process informs the renderer process that the screen orientation
 // has changed. |orientation| contains the new screen orientation in degrees.
+// TODO(mlamouri): we could probably get rid of it.
 IPC_MESSAGE_CONTROL1(ScreenOrientationMsg_OrientationChange,
                      blink::WebScreenOrientationType /* orientation */ )
 
 // The browser process' response to a ScreenOrientationHostMsg_LockRequest when
 // the lock actually succeeded. The message includes the new |angle| and |type|
 // of orientation. The |request_id| passed when receiving the request is passed
 // back so the renderer process can associate the response to the right request.
-IPC_MESSAGE_CONTROL3(ScreenOrientationMsg_LockSuccess,
-                     int, /* request_id */
-                     unsigned, /* angle */
-                     blink::WebScreenOrientationType /* type */)
+IPC_MESSAGE_ROUTED3(ScreenOrientationMsg_LockSuccess,
+                    int, /* request_id */
+                    unsigned, /* angle */
+                    blink::WebScreenOrientationType /* type */)
 
 // The browser process' response to a ScreenOrientationHostMsg_LockRequest when
 // the lock actually failed. The message includes the |error| type. The
 // |request_id| passed when receiving the request is passed back so the renderer
 // process can associate the response to the right request.
-IPC_MESSAGE_CONTROL2(ScreenOrientationMsg_LockError,
-                     int, /* request_id */
-                     blink::WebLockOrientationCallback::ErrorType /* error */);
+IPC_MESSAGE_ROUTED2(ScreenOrientationMsg_LockError,
+                    int, /* request_id */
+                    blink::WebLockOrientationCallback::ErrorType /* error */);
 
 // The renderer process requests the browser process to lock the screen
 // orientation to the specified |orientations|. The request contains a
 // |request_id| that will have to be passed back to the renderer process when
 // notifying about a success or error (see ScreenOrientationMsg_LockError and
 // ScreenOrientationMsg_LockSuccess).
-IPC_MESSAGE_CONTROL2(ScreenOrientationHostMsg_LockRequest,
-                     blink::WebScreenOrientationLockType, /* orientation */
-                     int /* request_id */)
+IPC_MESSAGE_ROUTED2(ScreenOrientationHostMsg_LockRequest,
+                    blink::WebScreenOrientationLockType, /* orientation */
+                    int /* request_id */)
 
 // The renderer process requests the browser process to unlock the screen
 // orientation.
-IPC_MESSAGE_CONTROL0(ScreenOrientationHostMsg_Unlock)
+IPC_MESSAGE_ROUTED0(ScreenOrientationHostMsg_Unlock)