Convert //chrome/installer from scoped_ptr to std::unique_ptr

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 <memory>
 
 #include "base/command_line.h"
 #include "base/environment.h"
 #include "base/files/file_util.h"
 #include "base/logging.h"
 #include "base/macros.h"
-#include "base/memory/scoped_ptr.h"
 #include "base/numerics/safe_conversions.h"
 #include "base/path_service.h"
 #include "base/process/launch.h"
 #include "base/strings/string_util.h"
 #include "base/strings/utf_string_conversions.h"
 #include "base/sys_info.h"
 #include "base/values.h"
 #include "base/version.h"
 #include "base/win/registry.h"
 #include "base/win/windows_version.h"
@@ skipping 322 matching lines @@
         !channel_info.Write(&state_key)) {
       LOG(ERROR) << "Failed writing installer stage to " << state_key_path;
     }
   } else {
     LOG(ERROR) << "Failed opening " << state_key_path
                << " to update installer stage; result: " << result;
   }
 }
 
 bool InstallUtil::IsPerUserInstall(const base::FilePath& exe_path) {
-  scoped_ptr<base::Environment> env(base::Environment::Create());
+  std::unique_ptr<base::Environment> env(base::Environment::Create());
 
   static const char kEnvProgramFilesPath[] = "CHROME_PROBED_PROGRAM_FILES_PATH";
   std::string env_program_files_path;
   // Check environment variable to find program files path.
   base::FilePath program_files_path;
   if (env->GetVar(kEnvProgramFilesPath, &env_program_files_path) &&
       !env_program_files_path.empty()) {
     program_files_path =
         base::FilePath(base::UTF8ToWide(env_program_files_path));
   } else {
@@ skipping 301 matching lines @@
 
   // Open the program and see if it references the expected file.
   base::File file;
   BY_HANDLE_FILE_INFORMATION info = {};
 
   return (OpenForInfo(path, &file, comparison_type_) && GetInfo(file, &info) &&
           info.dwVolumeSerialNumber == file_info_.dwVolumeSerialNumber &&
           info.nFileIndexHigh == file_info_.nFileIndexHigh &&
           info.nFileIndexLow == file_info_.nFileIndexLow);
 }