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

third_party/WebKit/Source/web/ChromeClientImpl.h

 /*
  * Copyright (C) 2009 Google Inc. All rights reserved.
  * Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
  *
  * 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.
@@ skipping 138 matching lines @@
     void setCursorOverridden(bool);
 
     bool hasOpenedPopup() const override;
     PopupMenu* openPopupMenu(LocalFrame&, HTMLSelectElement&) override;
     PagePopup* openPagePopup(PagePopupClient*);
     void closePagePopup(PagePopup*);
     DOMWindow* pagePopupWindowForTesting() const override;
 
     bool shouldOpenModalDialogDuringPageDismissal(const DialogType&, const String& dialogMessage, Document::PageDismissalType) const override;
 
-    bool requestPointerLock() override;
-    void requestPointerUnlock() override;
+    bool requestPointerLock(LocalFrame*) override;
+    void requestPointerUnlock(LocalFrame*) override;
 
     // AutofillClient pass throughs:
     void didAssociateFormControls(const HeapVector<Member<Element>>&, LocalFrame*) override;
     void handleKeyboardEventOnTextField(HTMLInputElement&, KeyboardEvent&) override;
     void didChangeValueInTextField(HTMLFormControlElement&) override;
     void didEndEditingOnTextField(HTMLInputElement&) override;
     void openTextDataListChooser(HTMLInputElement&) override;
     void textFieldDataListChanged(HTMLInputElement&) override;
     void ajaxSucceeded(LocalFrame*) override;
 
@@ skipping 34 matching lines @@
     Cursor m_lastSetMouseCursorForTesting;
     bool m_cursorOverridden;
     bool m_didRequestNonEmptyToolTip;
 };
 
 DEFINE_TYPE_CASTS(ChromeClientImpl, ChromeClient, client, client->isChromeClientImpl(), client.isChromeClientImpl());
 
 } // namespace blink
 
 #endif