base: Fix the TODO in string_util.h

chrome/test/base/chrome_process_util_mac.cc

-// Copyright (c) 2010 The Chromium Authors. All rights reserved.
+// Copyright (c) 2011 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/test/base/chrome_process_util.h"
 
 #include <string>
 #include <vector>
 
 #include "base/command_line.h"
 #include "base/process_util.h"
 #include "base/string_number_conversions.h"
 #include "base/string_split.h"
 #include "base/string_util.h"
+#include "base/stringprintf.h"
 
 MacChromeProcessInfoList GetRunningMacProcessInfo(
-    const ChromeProcessList &process_list) {
+    const ChromeProcessList& process_list) {
   MacChromeProcessInfoList result;
 
   // Build up the ps command line
   std::vector<std::string> cmdline;
   cmdline.push_back("ps");
   cmdline.push_back("-o");
   cmdline.push_back("pid=,rsz=,vsz=");  // fields we need, no headings
   ChromeProcessList::const_iterator process_iter;
   for (process_iter = process_list.begin();
        process_iter != process_list.end();
        ++process_iter) {
     cmdline.push_back("-p");
-    cmdline.push_back(StringPrintf("%d", *process_iter));
+    cmdline.push_back(base::StringPrintf("%d", *process_iter));
   }
 
   // Invoke it
   std::string ps_output;
   if (!base::GetAppOutput(CommandLine(cmdline), &ps_output))
     return result;  // All the pids might have exited
 
   // Process the results
   std::vector<std::string> ps_output_lines;
   base::SplitString(ps_output, '\n', &ps_output_lines);
@@ skipping 58 matching lines @@
   GetMemoryValuesHack(process_handle_, &virtual_size, &working_set_size);
   return virtual_size;
 }
 
 size_t ChromeTestProcessMetrics::GetWorkingSetSize() {
   size_t virtual_size;
   size_t working_set_size;
   GetMemoryValuesHack(process_handle_, &virtual_size, &working_set_size);
   return working_set_size;
 }