Add more string_util functions to base namespace.

chrome/installer/setup/setup_main.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_main.h"
 
 #include <windows.h>
 #include <msi.h>
 #include <shellapi.h>
 #include <shlobj.h>
@@ skipping 664 matching lines @@
   // Generate a command line to run Chrome's installer.
   base::string16 setup_path;
   if (key.ReadValue(installer::kUninstallStringField,
                     &setup_path) != ERROR_SUCCESS) {
     LOG(ERROR) << "RepairChrome: Failed to read Chrome's UninstallString.";
     return;
   }
 
   // Replace --uninstall with --do-not-launch-chrome to cause chrome to
   // self-repair.
-  ReplaceFirstSubstringAfterOffset(
+  base::ReplaceFirstSubstringAfterOffset(
       &setup_args, 0, base::UTF8ToUTF16(installer::switches::kUninstall),
       base::UTF8ToUTF16(installer::switches::kDoNotLaunchChrome));
   base::CommandLine setup_command(base::CommandLine::NO_PROGRAM);
   InstallUtil::ComposeCommandLine(setup_path, setup_args, &setup_command);
 
   // Run Chrome's installer so that it repairs itself. Break away from any job
   // in which this operation is running so that Google Update doesn't wait
   // around for the repair. Retry once without the attempt to break away in case
   // this process doesn't have JOB_OBJECT_LIMIT_BREAKAWAY_OK.
   base::LaunchOptions launch_options;
@@ skipping 1027 matching lines @@
     // Note that we allow the status installer::UNINSTALL_REQUIRES_REBOOT
     // to pass through, since this is only returned on uninstall which is
     // never invoked directly by Google Update.
     return_code = InstallUtil::GetInstallReturnCode(install_status);
   }
 
   VLOG(1) << "Installation complete, returning: " << return_code;
 
   return return_code;
 }