Allow out-of-process iframes to update the mouse cursor

third_party/WebKit/Source/web/WebPagePopupImpl.cpp

 /*
  * Copyright (C) 2012 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 127 matching lines @@
     void* webView() const override
     {
         return m_popup->m_webView;
     }
 
     IntSize minimumWindowSize() const override
     {
         return IntSize(0, 0);
     }
 
-    void setCursor(const Cursor& cursor) override
+    void setCursor(const Cursor& cursor, LocalFrame* localRoot) override
     {
         if (m_popup->m_webView->client())
             m_popup->m_webView->client()->didChangeCursor(WebCursorInfo(cursor));
     }
 
     void needTouchEvents(bool needsTouchEvents) override
     {
         m_popup->widgetClient()->hasTouchEventHandlers(needsTouchEvents);
     }
 
@@ skipping 368 matching lines @@
     // A WebPagePopupImpl instance usually has two references.
     //  - One owned by the instance itself. It represents the visible widget.
     //  - One owned by a WebViewImpl. It's released when the WebViewImpl ask the
     //    WebPagePopupImpl to close.
     // We need them because the closing operation is asynchronous and the widget
     // can be closed while the WebViewImpl is unaware of it.
     return adoptRef(new WebPagePopupImpl(client)).leakRef();
 }
 
 } // namespace blink