Count cross-origin property access.

third_party/WebKit/Source/core/frame/LocalDOMWindow.cpp

 /*
  * Copyright (C) 2006, 2007, 2008, 2010 Apple 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:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
@@ skipping 1640 matching lines @@
     target_frame = &GetFrame()->Tree().Top();
   } else if (EqualIgnoringASCIICase(frame_name, "_parent")) {
     if (Frame* parent = GetFrame()->Tree().Parent())
       target_frame = parent;
     else
       target_frame = GetFrame();
   }
 
   if (target_frame) {
     if (!active_document->GetFrame() ||
-        !active_document->GetFrame()->CanNavigate(*target_frame))
+        !active_document->GetFrame()->CanNavigate(*target_frame)) {
       return nullptr;
+    }
 
     KURL completed_url = first_frame->GetDocument()->CompleteURL(url_string);
 
     if (target_frame->DomWindow()->IsInsecureScriptAccess(*calling_window,
                                                           completed_url))
       return target_frame->DomWindow();
 
     if (url_string.IsEmpty())
       return target_frame->DomWindow();
 
@@ skipping 31 matching lines @@
   DOMWindow::Trace(visitor);
   Supplementable<LocalDOMWindow>::Trace(visitor);
 }
 
 DEFINE_TRACE_WRAPPERS(LocalDOMWindow) {
   visitor->TraceWrappers(custom_elements_);
   DOMWindow::TraceWrappers(visitor);
 }
 
 }  // namespace blink