Remove unusued instance variable of chrome::VersionInfo.

chrome/app/close_handle_hook_win.cc

 // Copyright 2014 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.
 
 #include "chrome/app/close_handle_hook_win.h"
 
 #include <Windows.h>
 #include <psapi.h>
 
 #include <vector>
 
 #include "base/lazy_instance.h"
+#include "base/memory/scoped_ptr.h"
 #include "base/win/iat_patch_function.h"
 #include "base/win/pe_image.h"
 #include "base/win/scoped_handle.h"
 #include "chrome/common/chrome_version_info.h"
 
 namespace {
 
 typedef BOOL (WINAPI* CloseHandleType) (HANDLE handle);
 CloseHandleType g_close_function = NULL;
 
@@ skipping 199 matching lines @@
     // threads attempting to call CloseHandle.
     hooks->AddEATPatch();
     PatchLoadedModules(hooks);
   }
 }
 
 void RemoveCloseHandleHooks() {
   // We are partching all loaded modules without forcing them to stay in memory,
   // removing patches is not safe.
 }