Remove the ability to lock to multiple orientations.

Source/modules/screen_orientation/ScreenOrientation.cpp

 // 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.
 
 #include "config.h"
 #include "modules/screen_orientation/ScreenOrientation.h"
 
 #include "core/frame/DOMWindow.h"
 #include "core/frame/LocalFrame.h"
 #include "core/frame/Screen.h"
@@ skipping 112 matching lines @@
 
 const AtomicString& ScreenOrientation::orientation(Screen& screen)
 {
     ScreenOrientation& screenOrientation = ScreenOrientation::from(screen);
     if (!screenOrientation.document())
         return emptyAtom;
     ScreenOrientationController& controller = ScreenOrientationController::from(*screenOrientation.document());
     return orientationToString(controller.orientation());
 }
 
-bool ScreenOrientation::lockOrientation(Screen& screen, const Vector<String>& orientationsVector)
-{
-    blink::WebScreenOrientations orientations = 0;
-    for (size_t i = 0; i < orientationsVector.size(); ++i) {
-        blink::WebScreenOrientations currentOrientation = stringToOrientations(AtomicString(orientationsVector[i]));
-        if (!currentOrientation)
-            return false;
-        orientations |= currentOrientation;
-    }
-    if (!orientations)
-        return false;
-    ScreenOrientation::from(screen).lockOrientationAsync(orientations);
-    return true;
-}
-
 bool ScreenOrientation::lockOrientation(Screen& screen, const AtomicString& orientationString)
 {
     blink::WebScreenOrientations orientations = stringToOrientations(orientationString);
     if (!orientations)
         return false;
     ScreenOrientation::from(screen).lockOrientationAsync(orientations);
     return true;
 }
 
 void ScreenOrientation::unlockOrientation(Screen& screen)
 {
     ScreenOrientation::from(screen).lockOrientationAsync(WebScreenOrientationDefault);
 }
 
 } // namespace WebCore