With the ChromeFrame moniker patch on, the data cache maintained to indicate ...

chrome_frame/bind_context_info.h

 // Copyright (c) 2010 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 CHROME_FRAME_BIND_CONTEXT_INFO_
 #define CHROME_FRAME_BIND_CONTEXT_INFO_
 
 #include <atlbase.h>
 #include <atlcom.h>
 
@@ skipping 33 matching lines @@
   bool is_switching() const {
     return is_switching_;
   }
 
   void SetToSwitch(IStream* cache);
 
   IStream* cache() {
     return cache_;
   }
 
-  void set_cache(IStream* cache);
-
  private:
   ScopedComPtr<IStream> cache_;
   bool no_cache_;
   bool chrome_request_;
   bool is_switching_;
 
   DISALLOW_COPY_AND_ASSIGN(BindContextInfo);
 };
 
 #endif  // CHROME_FRAME_BIND_CONTEXT_INFO_