Fix crash due to parsing of raw branch code from Google Update

chrome/browser/views/about_chrome_view.h

 // Copyright (c) 2006-2008 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_BROWSER_VIEWS_ABOUT_CHROME_VIEW_H_
 #define CHROME_BROWSER_VIEWS_ABOUT_CHROME_VIEW_H_
 
 #include "views/controls/image_view.h"
 #include "views/controls/label.h"
 #include "views/controls/link.h"
@@ skipping 172 matching lines @@
 
 #if defined(OS_WIN)
   // The class that communicates with Google Update to find out if an update is
   // available and asks it to start an upgrade.
   scoped_refptr<GoogleUpdate> google_updater_;
 #endif
 
   // Our current version.
   std::wstring current_version_;
 
+  // Additional information about the version (channel and build number).
+  std::wstring version_details_;
+
   // The version Google Update reports is available to us.
   std::wstring new_version_available_;
 
   // Whether text direction is left-to-right or right-to-left.
   bool text_direction_is_rtl_;
 
 #if defined(OS_CHROMEOS)
   // Handles asynchronously loading the version.
   chromeos::VersionLoader loader_;
 
   // Used to request the version.
   CancelableRequestConsumer consumer_;
 #endif
 
   DISALLOW_COPY_AND_ASSIGN(AboutChromeView);
 };
 
 #endif  // CHROME_BROWSER_VIEWS_ABOUT_CHROME_VIEW_H_