base: Fix the TODO in string_util.h

chrome/browser/chromeos/version_loader.cc

 // 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/browser/chromeos/version_loader.h"
 
 #include <vector>
 
 #include "base/file_path.h"
 #include "base/file_util.h"
 #include "base/message_loop.h"
 #include "base/string_split.h"
 #include "base/string_util.h"
+#include "base/stringprintf.h"
 #include "base/threading/thread.h"
 #include "base/time.h"
 #include "chrome/browser/browser_process.h"
 #include "content/browser/browser_thread.h"
 
 namespace chromeos {
 
 // File to look for version number in.
 static const char kPathVersion[] = "/etc/lsb-release";
 
@@ skipping 137 matching lines @@
         }
       }
     }
   }
 
   if (format == VERSION_SHORT_WITH_DATE) {
     base::PlatformFileInfo fileinfo;
     if (file_util::GetFileInfo(file_path, &fileinfo)) {
       base::Time::Exploded ctime;
       fileinfo.creation_time.UTCExplode(&ctime);
-      version += StringPrintf("-%02u.%02u.%02u",
-                              ctime.year % 100,
-                              ctime.month,
-                              ctime.day_of_month);
+      version += base::StringPrintf("-%02u.%02u.%02u",
+                                    ctime.year % 100,
+                                    ctime.month,
+                                    ctime.day_of_month);
     }
   }
 
   request->ForwardResult(GetVersionCallback::TupleType(request->handle(),
                                                        version));
 }
 
 void VersionLoader::Backend::GetFirmware(
     scoped_refptr<GetFirmwareRequest> request) {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::FILE));
   if (request->canceled())
     return;
 
   std::string firmware;
   std::string contents;
   const FilePath file_path(kPathFirmware);
   if (file_util::ReadFileToString(file_path, &contents)) {
     firmware = ParseFirmware(contents);
   }
 
   request->ForwardResult(GetFirmwareCallback::TupleType(request->handle(),
                                                         firmware));
 }
 
 }  // namespace chromeos