iwyu: Include stringprintf.h where appropriate, part 2.

chrome/browser/task_manager/task_manager.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/task_manager/task_manager.h"
 
 #include "base/compiler_specific.h"
 #include "base/i18n/number_formatting.h"
 #include "base/i18n/rtl.h"
 #include "base/process_util.h"
+#include "base/stringprintf.h"
 #include "base/string_number_conversions.h"
-#include "base/string_util.h"
 #include "base/threading/thread.h"
 #include "base/utf_string_conversions.h"
 #include "chrome/browser/background_contents_service.h"
 #include "chrome/browser/background_contents_service_factory.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/extensions/extension_host.h"
 #include "chrome/browser/extensions/extension_process_manager.h"
 #include "chrome/browser/net/url_request_tracking.h"
 #include "chrome/browser/prefs/pref_service.h"
 #include "chrome/browser/profiles/profile_manager.h"
@@ skipping 110 matching lines @@
   return base::i18n::GetDisplayStringInLTRDirectionality(net_byte);
 }
 
 double TaskManagerModel::GetCPUUsage(int index) const {
   CHECK_LT(index, ResourceCount());
   return GetCPUUsage(resources_[index]);
 }
 
 string16 TaskManagerModel::GetResourceCPUUsage(int index) const {
   CHECK_LT(index, ResourceCount());
-  return UTF8ToUTF16(StringPrintf(
+  return UTF8ToUTF16(base::StringPrintf(
 #if defined(OS_MACOSX)
       // Activity Monitor shows %cpu with one decimal digit -- be
       // consistent with that.
       "%.1f",
 #else
       "%.0f",
 #endif
       GetCPUUsage(resources_[index])));
 }
 
@@ skipping 891 matching lines @@
     // Count the number of extensions with background pages (including
     // incognito).
     count += CountExtensionBackgroundPagesForProfile(profile);
     if (profile->HasOffTheRecordProfile()) {
       count += CountExtensionBackgroundPagesForProfile(
           profile->GetOffTheRecordProfile());
     }
   }
   return count;
 }