Adding <keygen> Content Setting (Blink)

third_party/WebKit/Source/core/loader/FrameLoaderClient.h

 /*
  * Copyright (C) 2006, 2007, 2008, 2009, 2010, 2011, 2012 Apple Inc. All rights reserved.
  * 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:
  *
  * 1.  Redistributions of source code must retain the above copyright
  *     notice, this list of conditions and the following disclaimer.
@@ skipping 172 matching lines @@
 
     // This callback notifies the client that the frame was about to run
     // JavaScript but did not because allowScript returned false. We
     // have a separate callback here because there are a number of places
     // that need to know if JavaScript is enabled but are not necessarily
     // preparing to execute script.
     virtual void didNotAllowScript() { }
     // This callback is similar, but for plugins.
     virtual void didNotAllowPlugins() { }
 
+    // This callback notifies the client that the frame created a Keygen element.
+    virtual void usedKeygen() { }
+
     virtual WebCookieJar* cookieJar() const = 0;
 
     virtual void didChangeName(const String&) { }
 
     virtual void didChangeSandboxFlags(Frame* childFrame, SandboxFlags) { }
 
     virtual void didChangeFrameOwnerProperties(HTMLFrameElementBase*) { }
 
     virtual void dispatchWillOpenWebSocket(WebSocketHandle*) { }
 
@@ skipping 36 matching lines @@
         BeforeUnloadHandler,
         UnloadHandler,
     };
     virtual void suddenTerminationDisablerChanged(bool present, SuddenTerminationDisablerType) { }
 
 };
 
 } // namespace blink
 
 #endif // FrameLoaderClient_h