Use a direct include of strings headers in chrome/browser/d*/.

chrome/browser/diagnostics/diagnostics_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/browser/diagnostics/diagnostics_main.h"
 
 #include "build/build_config.h"
 
 #if defined(OS_POSIX)
 #include <stdio.h>
 #include <unistd.h>
 #endif
 
 #include <string>
 
 #include "base/basictypes.h"
 #include "base/command_line.h"
 #include "base/i18n/icu_util.h"
 #include "base/logging.h"
-#include "base/stringprintf.h"
+#include "base/strings/stringprintf.h"
 #include "base/strings/sys_string_conversions.h"
 #include "base/strings/utf_string_conversions.h"
 #include "base/time.h"
 #include "chrome/browser/diagnostics/diagnostics_model.h"
 #include "chrome/common/chrome_paths.h"
 #include "ui/base/resource/resource_bundle.h"
 #include "ui/base/ui_base_paths.h"
 
 namespace {
 // This is a minimalistic interface to wrap the platform console.  This will be
@@ skipping 327 matching lines @@
   TestController controller(&writer);
 
   // Run all the diagnostic tests.
   controller.Run(model);
   delete model;
 
   console->OnQuit();
   delete console;
   return 0;
 }