Unify the code paths for handling mouse events when pointer is locked on

third_party/WebKit/Source/web/WebFrameWidgetImpl.h

 /*
  * Copyright (C) 2014 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 90 matching lines @@
   WebRange compositionRange() override;
   WebColor backgroundColor() const override;
   bool selectionBounds(WebRect& anchor, WebRect& focus) const override;
   bool selectionTextDirection(WebTextDirection& start,
                               WebTextDirection& end) const override;
   bool isSelectionAnchorFirst() const override;
   WebRange caretOrSelectionRange() override;
   void setTextDirection(WebTextDirection) override;
   bool isAcceleratedCompositingActive() const override;
   void willCloseLayerTreeView() override;
-  void didAcquirePointerLock() override;
-  void didNotAcquirePointerLock() override;
-  void didLosePointerLock() override;
   bool getCompositionCharacterBounds(WebVector<WebRect>& bounds) override;
   void setRemoteViewportIntersection(const WebRect&) override;
 
   // WebFrameWidget implementation.
   WebLocalFrameImpl* localRoot() const override { return m_localRoot; }
   void setVisibilityState(WebPageVisibilityState) override;
   bool isTransparent() const override;
   void setIsTransparent(bool) override;
   void setBaseBackgroundColor(WebColor) override;
   WebInputMethodControllerImpl* getActiveWebInputMethodController()
@@ skipping 117 matching lines @@
 
 DEFINE_TYPE_CASTS(WebFrameWidgetImpl,
                   WebFrameWidgetBase,
                   widget,
                   widget->forSubframe(),
                   widget.forSubframe());
 
 }  // namespace blink
 
 #endif