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

chrome/installer/test/alternate_version_generator.cc

 // 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.
 
 // The file contains the implementation of the mini_installer re-versioner.
 // The main function (GenerateNextVersion) does the following in a temp dir:
 // - Extracts and unpacks setup.exe and the Chrome-bin folder from
 //   mini_installer.exe.
 // - Inspects setup.exe to determine the current version.
 // - Runs through all .dll and .exe files:
@@ skipping 196 matching lines @@
   }
   file_ = file.Pass();
   return result;
 }
 
 // Calls CreateProcess with good default parameters and waits for the process
 // to terminate returning the process exit code.
 bool RunProcessAndWait(const wchar_t* exe_path, const std::wstring& cmdline,
                        int* exit_code) {
   bool result = true;
-  base::win::ScopedHandle process;
   base::LaunchOptions options;
   options.wait = true;
   options.start_hidden = true;
-  if (base::LaunchProcess(cmdline, options, &process)) {
+  base::Process process = base::LaunchProcess(cmdline, options);
+  if (process.IsValid()) {
     if (exit_code) {
-      if (!GetExitCodeProcess(process.Get(),
+      if (!GetExitCodeProcess(process.Handle(),
                               reinterpret_cast<DWORD*>(exit_code))) {
         PLOG(DFATAL) << "Failed getting the exit code for \""
                      << cmdline << "\".";
         result = false;
       } else {
         DCHECK_NE(*exit_code, STILL_ACTIVE);
       }
     }
   } else {
     result = false;
@@ skipping 457 matching lines @@
     return false;
   }
   ctx.current_version_str = ctx.current_version.ToString();
   ctx.new_version = ChromeVersion::FromString(version.GetString());
   ctx.new_version_str = ctx.new_version.ToString();
 
   return UpdateVersionIfMatch(target_file, &ctx);
 }
 
 }  // namespace upgrade_test