Move StartsWith[ASCII] to base namespace.

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>
@@ skipping 361 matching lines @@
       // program files directory.
       base::DIR_PROGRAM_FILESX86;
 #else
       base::DIR_PROGRAM_FILES;
 #endif
   base::FilePath program_files_path;
   if (!PathService::Get(kProgramFilesKey, &program_files_path)) {
     NOTREACHED();
     return true;
   }
-  return !StartsWith(exe_path.value(), program_files_path.value(), false);
+  return !base::StartsWith(exe_path.value(), program_files_path.value(), false);
 }
 
 bool InstallUtil::IsMultiInstall(BrowserDistribution* dist,
                                  bool system_install) {
   DCHECK(dist);
   ProductState state;
   return state.Initialize(system_install, dist) && state.is_multi_install();
 }
 
 bool CheckIsChromeSxSProcess() {
@@ skipping 258 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) &&
           GetInfo(file, &info) &&
           info.dwVolumeSerialNumber == file_info_.dwVolumeSerialNumber &&
           info.nFileIndexHigh == file_info_.nFileIndexHigh &&
           info.nFileIndexLow == file_info_.nFileIndexLow);
 }