Revert of Add WebRuntimeFeatures::enablePermissionsAPI.

Source/web/WebRuntimeFeatures.cpp

 /*
  * Copyright (C) 2013 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 185 matching lines @@
 void WebRuntimeFeatures::enablePagePopup(bool enable)
 {
     RuntimeEnabledFeatures::setPagePopupEnabled(enable);
 }
 
 void WebRuntimeFeatures::enablePeerConnection(bool enable)
 {
     RuntimeEnabledFeatures::setPeerConnectionEnabled(enable);
 }
 
-void WebRuntimeFeatures::enablePermissionsAPI(bool enable)
-{
-    RuntimeEnabledFeatures::setPermissionsEnabled(enable);
-}
-
 void WebRuntimeFeatures::enableRequestAutocomplete(bool enable)
 {
     RuntimeEnabledFeatures::setRequestAutocompleteEnabled(enable);
 }
 
 void WebRuntimeFeatures::enableScreenOrientation(bool enable)
 {
     RuntimeEnabledFeatures::setScreenOrientationEnabled(enable);
 }
 
@@ skipping 116 matching lines @@
 {
     RuntimeEnabledFeatures::setUnsafeES3APIsEnabled(enable);
 }
 
 void WebRuntimeFeatures::enableVRDevice(bool enable)
 {
     RuntimeEnabledFeatures::setVRDeviceEnabled(enable);
 }
 
 } // namespace blink