Upgrade the windows specific version of LaunchProcess to avoid raw handles.

chrome/browser/first_run/upgrade_util_win.cc

 // 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.
 
 #include "chrome/browser/first_run/upgrade_util.h"
 
 #include <windows.h>
 #include <psapi.h>
 #include <shellapi.h>
 
@@ skipping 240 matching lines @@
       InstallUtil::IsPerUserInstall(cur_chrome_exe.value().c_str());
   HKEY reg_root = user_install ? HKEY_CURRENT_USER : HKEY_LOCAL_MACHINE;
   BrowserDistribution *dist = BrowserDistribution::GetDistribution();
   base::win::RegKey key;
   if (key.Open(reg_root, dist->GetVersionKey().c_str(),
                KEY_QUERY_VALUE) == ERROR_SUCCESS) {
     // First try to rename exe by launching rename command ourselves.
     std::wstring rename_cmd;
     if (key.ReadValue(google_update::kRegRenameCmdField,
                       &rename_cmd) == ERROR_SUCCESS) {
-      base::win::ScopedHandle handle;
       base::LaunchOptions options;
       options.wait = true;
       options.start_hidden = true;
-      if (base::LaunchProcess(rename_cmd, options, &handle)) {
+      base::Process process = base::LaunchProcess(rename_cmd, options);
+      if (process.IsValid()) {
         DWORD exit_code;
-        ::GetExitCodeProcess(handle.Get(), &exit_code);
+        ::GetExitCodeProcess(process.Handle(), &exit_code);
         if (exit_code == installer::RENAME_SUCCESSFUL)
           return true;
       }
     }
   }
 
   // Rename didn't work so try to rename by calling Google Update
   return InvokeGoogleUpdateForRename();
 }
 
@@ skipping 26 matching lines @@
     return false;
   // At this point the chrome.exe has been swapped with the new one.
   if (!RelaunchChromeBrowser(command_line)) {
     // The re-launch fails. Feel free to panic now.
     NOTREACHED();
   }
   return true;
 }
 
 }  // namespace upgrade_util