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

chrome/browser/chromeos/system_logs/debug_daemon_log_source.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/chromeos/system_logs/debug_daemon_log_source.h"
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/file_util.h"
 #include "base/logging.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/memory/weak_ptr.h"
-#include "base/string_util.h"
 #include "base/strings/string_number_conversions.h"
+#include "base/strings/string_util.h"
 #include "chrome/browser/chromeos/system_logs/system_logs_fetcher.h"
 #include "chrome/browser/profiles/profile_manager.h"
 #include "chrome/common/chrome_switches.h"
 #include "chromeos/dbus/dbus_thread_manager.h"
 #include "chromeos/dbus/debug_daemon_client.h"
 #include "content/public/browser/browser_thread.h"
 
 const char kNotAvailable[] = "<not available>";
 const char kRoutesKeyName[] = "routes";
 const char kNetworkStatusKeyName[] = "network-status";
@@ skipping 126 matching lines @@
   DCHECK(content::BrowserThread::CurrentlyOn(content::BrowserThread::UI));
   DCHECK(!callback_.is_null());
 
   --num_pending_requests_;
   if (num_pending_requests_ > 0)
     return;
   callback_.Run(response_.get());
 }
 
 }  // namespace chromeos