Implement 'window.isSecureContext'.

third_party/WebKit/Source/core/frame/DOMWindow.h

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef DOMWindow_h
 #define DOMWindow_h
 
 #include "core/CoreExport.h"
 #include "core/events/EventTarget.h"
 #include "core/frame/DOMWindowBase64.h"
@@ skipping 179 matching lines @@
 
     // FIXME: When this DOMWindow is no longer the active DOMWindow (i.e.,
     // when its document is no longer the document that is displayed in its
     // frame), we would like to zero out m_frame to avoid being confused
     // by the document that is currently active in m_frame.
     // See https://bugs.webkit.org/show_bug.cgi?id=62054
     bool isCurrentlyDisplayedInFrame() const;
 
     void resetLocation();
 
+    bool isSecureContext() const;
+
     DEFINE_ATTRIBUTE_EVENT_LISTENER(animationend);
     DEFINE_ATTRIBUTE_EVENT_LISTENER(animationiteration);
     DEFINE_ATTRIBUTE_EVENT_LISTENER(animationstart);
     DEFINE_ATTRIBUTE_EVENT_LISTENER(search);
     DEFINE_ATTRIBUTE_EVENT_LISTENER(transitionend);
     DEFINE_ATTRIBUTE_EVENT_LISTENER(wheel);
 
     DEFINE_MAPPED_ATTRIBUTE_EVENT_LISTENER(webkitanimationstart, webkitAnimationStart);
     DEFINE_MAPPED_ATTRIBUTE_EVENT_LISTENER(webkitanimationiteration, webkitAnimationIteration);
     DEFINE_MAPPED_ATTRIBUTE_EVENT_LISTENER(webkitanimationend, webkitAnimationEnd);
@@ skipping 15 matching lines @@
     // implementation details to scripts.
     bool m_windowIsClosing;
 
 private:
     mutable RefPtrWillBeMember<Location> m_location;
 };
 
 } // namespace blink
 
 #endif // DOMWindow_h