Implement pointer lock API for out-of-process iframes.

third_party/WebKit/Source/web/WebViewImpl.h

 /*
  * Copyright (C) 2010 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 460 matching lines @@
     void clearCompositedSelection();
     void updateCompositedSelection(const WebSelection&);
 
     // Exposed for the purpose of overriding device metrics.
     void sendResizeEventAndRepaint();
 
     // Exposed for testing purposes.
     bool hasHorizontalScrollbar();
     bool hasVerticalScrollbar();
 
-    // Pointer Lock calls allow a page to capture all mouse events and
-    // disable the system cursor.
-    bool requestPointerLock();
-    void requestPointerUnlock();
-    bool isPointerLocked();
-
     // Exposed for tests.
     unsigned numLinkHighlights() { return m_linkHighlights.size(); }
     LinkHighlightImpl* getLinkHighlight(int i) { return m_linkHighlights[i].get(); }
 
     WebSettingsImpl* settingsImpl();
 
     // Returns the bounding box of the block type node touched by the WebPoint.
     WebRect computeBlockBound(const WebPoint&, bool ignoreClipping);
 
     WebLayerTreeView* layerTreeView() const { return m_layerTreeView; }
@@ skipping 270 matching lines @@
     double m_lastFrameTimeMonotonic;
 };
 
 // We have no ways to check if the specified WebView is an instance of
 // WebViewImpl because WebViewImpl is the only implementation of WebView.
 DEFINE_TYPE_CASTS(WebViewImpl, WebView, webView, true, true);
 
 } // namespace blink
 
 #endif