Launch system-level Active Setup immediately following self-destruction of a user-level Chrome.

chrome/installer/util/install_util.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.
 //
 // See the corresponding header file for description of the functions in this
 // file.
 
 #include "chrome/installer/util/install_util.h"
 
 #include <shellapi.h>
 #include <shlobj.h>
 #include <shlwapi.h>
 
 #include <algorithm>
 
 #include "base/command_line.h"
 #include "base/file_util.h"
 #include "base/logging.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/path_service.h"
 #include "base/process_util.h"
 #include "base/string_util.h"
 #include "base/sys_info.h"
 #include "base/values.h"
 #include "base/version.h"
+#include "base/win/metro.h"
 #include "base/win/registry.h"
 #include "base/win/windows_version.h"
 #include "chrome/installer/util/browser_distribution.h"
 #include "chrome/installer/util/google_update_constants.h"
 #include "chrome/installer/util/helper.h"
 #include "chrome/installer/util/installation_state.h"
 #include "chrome/installer/util/l10n_string_util.h"
 #include "chrome/installer/util/util_constants.h"
 #include "chrome/installer/util/work_item_list.h"
 
@@ skipping 83 matching lines @@
 }
 
 }  // namespace
 
 string16 InstallUtil::GetActiveSetupPath(BrowserDistribution* dist) {
   static const wchar_t kInstalledComponentsPath[] =
       L"Software\\Microsoft\\Active Setup\\Installed Components\\";
   return kInstalledComponentsPath + dist->GetAppGuid();
 }
 
-void InstallUtil::TriggerActiveSetupCommandIfNeeded() {
-  FilePath chrome_exe;
-  if (!PathService::Get(base::FILE_EXE, &chrome_exe)) {
-    NOTREACHED();
-  } else if (InstallUtil::IsPerUserInstall(chrome_exe.value().c_str())) {
-    return;
-  }
-
+void InstallUtil::TriggerActiveSetupCommand() {
   string16 active_setup_reg(
       GetActiveSetupPath(BrowserDistribution::GetDistribution()));
   base::win::RegKey active_setup_key(
       HKEY_LOCAL_MACHINE, active_setup_reg.c_str(), KEY_QUERY_VALUE);
   string16 cmd_str;
   LONG read_status = active_setup_key.ReadValue(L"StubPath", &cmd_str);
   if (read_status != ERROR_SUCCESS) {
     LOG(ERROR) << active_setup_reg << ", " << read_status;
     // This should never fail if Chrome is registered at system-level, but if it
     // does there is not much else to be done.
     return;
   }
 
   CommandLine cmd(CommandLine::FromString(cmd_str));
   // Force creation of shortcuts as the First Run beacon might land between now
   // and the time setup.exe checks for it.
   cmd.AppendSwitch(installer::switches::kForceConfigureUserSettings);
 
-  base::LaunchOptions default_options;
-  if (!base::LaunchProcess(cmd.GetCommandLineString(), default_options, NULL))
+  base::LaunchOptions launch_options;
+  if (base::win::IsMetroProcess())
+    launch_options.force_breakaway_from_job_ = true;
+  if (!base::LaunchProcess(cmd.GetCommandLineString(), launch_options, NULL))
     PLOG(ERROR) << cmd.GetCommandLineString();
 }
 
 bool InstallUtil::ExecuteExeAsAdmin(const CommandLine& cmd, DWORD* exit_code) {
   FilePath::StringType program(cmd.GetProgram().value());
   DCHECK(!program.empty());
   DCHECK_NE(program[0], L'\"');
 
   CommandLine::StringType params(cmd.GetCommandLineString());
   if (params[0] == '"') {
@@ skipping 418 matching lines @@
   // Open the program and see if it references the expected file.
   base::win::ScopedHandle handle;
   BY_HANDLE_FILE_INFORMATION info = {};
 
   return (OpenForInfo(program, &handle) &&
           GetInfo(handle, &info) &&
           info.dwVolumeSerialNumber == file_info_.dwVolumeSerialNumber &&
           info.nFileIndexHigh == file_info_.nFileIndexHigh &&
           info.nFileIndexLow == file_info_.nFileIndexLow);
 }