Added UseCounter for clearing browsing context name on cross-origin name

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

 /*
  * Copyright (C) 2006, 2007, 2008, 2009 Apple Inc. All rights reserved.
  * Copyright (C) 2011 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 203 matching lines @@
   void loadFailed(const ResourceError&);
 
   DECLARE_VIRTUAL_TRACE();
 
  protected:
   DocumentLoader(LocalFrame*,
                  const ResourceRequest&,
                  const SubstituteData&,
                  ClientRedirectPolicy);
 
+  static bool shouldClearWindowName(const LocalFrame&,
+                                    SecurityOrigin* previousSecurityOrigin,
+                                    const Document& newDocument);
+
   Vector<KURL> m_redirectChain;
 
  private:
   // installNewDocument() does the work of creating a Document and
   // DocumentWriter, as well as creating a new LocalDOMWindow if needed. It also
   // initalizes a bunch of state on the Document (e.g., the state based on
   // response headers).
   enum class InstallNewDocumentReason { kNavigation, kJavascriptURL };
-  void installNewDocument(const DocumentInit&,
-                          const AtomicString& mimeType,
+  void installNewDocument(const DocumentInit&, const AtomicString& mimeType,
                           const AtomicString& encoding,
-                          InstallNewDocumentReason,
-                          ParserSynchronizationPolicy,
+                          InstallNewDocumentReason, ParserSynchronizationPolicy,
                           const KURL& overridingURL);
   void didInstallNewDocument(Document*);
   void didCommitNavigation();
 
   void ensureWriter(const AtomicString& mimeType,
                     const KURL& overridingURL = KURL());
   void endWriting();
 
   // Use these method only where it's guaranteed that |m_frame| hasn't been
   // cleared.
@@ skipping 101 matching lines @@
   // Used to protect against reentrancy into dataReceived().
   bool m_inDataReceived;
   RefPtr<SharedBuffer> m_dataBuffer;
 };
 
 DECLARE_WEAK_IDENTIFIER_MAP(DocumentLoader);
 
 }  // namespace blink
 
 #endif  // DocumentLoader_h