Remove unusued instance variable of chrome::VersionInfo.

chrome/common/chrome_version_info.h

 // Copyright (c) 2011 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_COMMON_CHROME_VERSION_INFO_H_
 #define CHROME_COMMON_CHROME_VERSION_INFO_H_
 
 #include <string>
 
 #include "base/basictypes.h"
-#include "base/memory/scoped_ptr.h"
-
-class FileVersionInfo;
 
 namespace chrome {
 
 // An instance of chrome::VersionInfo has information about the
 // current running build of Chrome.
 class VersionInfo {
  public:
   // The possible channels for an installation, from most fun to most stable.
   enum Channel {
     CHANNEL_UNKNOWN = 0,  // Probably blue
@@ skipping 50 matching lines @@
 
 #if defined(OS_CHROMEOS)
   // Sets channel before use.
   static void SetChannel(const std::string& channel);
 #endif
 
   // Returns a version string to be displayed in "About Chromium" dialog.
   std::string CreateVersionString() const;
 
  private:
-#if defined(OS_WIN) || defined(OS_MACOSX)
-  scoped_ptr<FileVersionInfo> version_info_;
-#endif
-
   DISALLOW_COPY_AND_ASSIGN(VersionInfo);
 };
 
 }  // namespace chrome
 
 #endif  // CHROME_COMMON_CHROME_VERSION_INFO_H_