Update installer to use the new version of LaunchProcess.

chrome/installer/setup/setup_util_unittest.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/installer/setup/setup_util_unittest.h"
 
 #include <windows.h>
 
 #include <string>
 
@@ skipping 211 matching lines @@
 
 ScopedPriorityClass::~ScopedPriorityClass() {
   BOOL result = ::SetPriorityClass(::GetCurrentProcess(),
                                    original_priority_class_);
   EXPECT_NE(FALSE, result);
 }
 
 PriorityClassChangeResult RelaunchAndDoProcessPriorityAdjustment() {
   CommandLine cmd_line(*CommandLine::ForCurrentProcess());
   cmd_line.AppendSwitch(kAdjustProcessPriority);
-  base::ProcessHandle process_handle = NULL;
+  base::Process process = base::LaunchProcess(cmd_line, base::LaunchOptions());
   int exit_code = 0;
-  if (!base::LaunchProcess(cmd_line, base::LaunchOptions(),
-                           &process_handle)) {
+  if (!process.IsValid()) {
     ADD_FAILURE() << " to launch subprocess.";
-  } else if (!base::WaitForExitCode(process_handle, &exit_code)) {
+  } else if (!process.WaitForExit(&exit_code)) {
     ADD_FAILURE() << " to wait for subprocess to exit.";
   } else {
     return static_cast<PriorityClassChangeResult>(exit_code);
   }
   return PCCR_UNKNOWN;
 }
 
 }  // namespace
 
 // Launching a subprocess at normal priority class is a noop.
@@ skipping 240 matching lines @@
 }
 
 TEST(SetupUtilTest, ContainsUnsupportedSwitch) {
   EXPECT_FALSE(installer::ContainsUnsupportedSwitch(
       CommandLine::FromString(L"foo.exe")));
   EXPECT_FALSE(installer::ContainsUnsupportedSwitch(
       CommandLine::FromString(L"foo.exe --multi-install --chrome")));
   EXPECT_TRUE(installer::ContainsUnsupportedSwitch(
       CommandLine::FromString(L"foo.exe --chrome-frame")));
 }