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

Required to keep chromium working until it handles the callback method.

BUG=162827

Review URL: https://codereview.chromium.org/302703003

git-svn-id: svn://svn.chromium.org/blink/trunk@175128 bbb929c8-8fbe-4397-9dbb-9b2b20218538

third_party/WebKit/public/platform/Platform.h

@@ -639,8 +639,12 @@ public:
     // 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() { }