Purge ImplementsThreadSafeReferenceCounting() from the codebase now that Task is dead.

chrome_frame/urlmon_url_request_private.h

 // Copyright (c) 2012 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_URLMON_URL_REQUEST_PRIVATE_H_
 #define CHROME_FRAME_URLMON_URL_REQUEST_PRIVATE_H_
 
 #include <atlbase.h>
 #include <atlcom.h>
 
@@ skipping 38 matching lines @@
   // This function passes information on whether ChromeFrame is running in
   // privileged mode.
   void set_privileged_mode(bool privileged_mode) {
     privileged_mode_ = privileged_mode;
   }
 
   // Returns a string in the form " id: %i Obj: %X URL: %s" which is useful
   // to identify request objects in the log.
   std::string me() const;
 
-  static bool ImplementsThreadSafeReferenceCounting() {
-    return true;
-  }
-
  protected:
   UrlmonUrlRequest();
   ~UrlmonUrlRequest();
 
   BEGIN_COM_MAP(UrlmonUrlRequest)
     COM_INTERFACE_ENTRY(IHttpNegotiate)
     COM_INTERFACE_ENTRY(IServiceProvider)
     COM_INTERFACE_ENTRY(IBindStatusCallback)
     COM_INTERFACE_ENTRY(IWindowForBindingUI)
     COM_INTERFACE_ENTRY(IAuthenticate)
@@ skipping 181 matching lines @@
   // when this object is destroyed. Happens if we return
   // INET_E_TERMINATE_BIND from OnDataAvailable in the last data notification.
   bool cleanup_transaction_;
   // Copy of the request headers.
   std::string request_headers_;
 
   DISALLOW_COPY_AND_ASSIGN(UrlmonUrlRequest);
 };
 
 #endif  // CHROME_FRAME_URLMON_URL_REQUEST_PRIVATE_H_