Update IPC straits following WebScreenInfo struct changes.

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/WebScreenOrientationLockType.h"
 #include "third_party/WebKit/public/platform/WebScreenOrientationType.h"
 
 #undef IPC_MESSAGE_EXPORT
 #define IPC_MESSAGE_EXPORT CONTENT_EXPORT
 
 #define IPC_MESSAGE_START ScreenOrientationMsgStart
 
 IPC_ENUM_TRAITS_MIN_MAX_VALUE(blink::WebScreenOrientationType,
-                              blink::WebScreenOrientationPortraitPrimary,
+                              blink::WebScreenOrientationUndefined,
                               blink::WebScreenOrientationLandscapeSecondary)
 IPC_ENUM_TRAITS_MIN_MAX_VALUE(blink::WebScreenOrientationLockType,
                               blink::WebScreenOrientationLockDefault,
                               blink::WebScreenOrientationLockPortrait)
 
 // The browser process informs the renderer process that the screen orientation
 // has changed. |orientation| contains the new screen orientation in degrees.
 IPC_MESSAGE_CONTROL1(ScreenOrientationMsg_OrientationChange,
                      blink::WebScreenOrientationType /* orientation */ )
 
 // The renderer process requests the browser process to lock the screen
 // orientation to the specified |orientations|.
 IPC_MESSAGE_CONTROL1(ScreenOrientationHostMsg_Lock,
                      blink::WebScreenOrientationLockType /* orientations */ )
 
 // The renderer process requests the browser process to unlock the screen
 // orientation.
 IPC_MESSAGE_CONTROL0(ScreenOrientationHostMsg_Unlock)