lockOrientation() fallback when the callback one isn't implemented.

public/platform/Platform.h

 /*
  * Copyright (C) 2012 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 621 matching lines @@
     virtual void setDeviceLightListener(blink::WebDeviceLightListener*) { }
 
 
     // Screen Orientation -------------------------------------------------
 
     virtual void setScreenOrientationListener(blink::WebScreenOrientationListener*) { }
     virtual void lockOrientation(WebScreenOrientationLockType) { }
     // Request a screen orientation lock and pass a |callback| object to be used
     // to notify of success/failure. The |callback| parameter is expected to be
     // owned by the implementation.
-    virtual void lockOrientation(WebScreenOrientationLockType, WebLockOrientationCallback* callback)
+    virtual void lockOrientation(WebScreenOrientationLockType orientation, WebLockOrientationCallback* callback)
     {
+        // FIXME: remove this when
+        // lockOrientation(orientation, callback) will be handled in Chromium.
+        lockOrientation(orientation);
+
         delete callback; // prevents memory leak if there is no implementation.
     }
     virtual void unlockOrientation() { }
 
 
     // Quota -----------------------------------------------------------
 
     // Queries the storage partition's storage usage and quota information.
     // WebStorageQuotaCallbacks::didQueryStorageUsageAndQuota will be called
     // with the current usage and quota information for the partition. When
@@ skipping 10 matching lines @@
     virtual WebDatabaseObserver* databaseObserver() { return 0; }
 
 
 protected:
     virtual ~Platform() { }
 };
 
 } // namespace blink
 
 #endif