Use a direct include of strings headers in crypto/, dbus/, device/.

dbus/dbus_statistics.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 "dbus/dbus_statistics.h"
 
 #include <set>
 
 #include "base/logging.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/stl_util.h"
-#include "base/stringprintf.h"
+#include "base/strings/stringprintf.h"
 #include "base/threading/platform_thread.h"
 #include "base/time.h"
 
 namespace dbus {
 
 namespace {
 
 // Used to store dbus statistics sorted alphabetically by service, interface,
 // then method (using std::string <).
 struct Stat {
@@ skipping 251 matching lines @@
   *sent = stat->sent_method_calls;
   *received = stat->received_signals;
   *blocking = stat->sent_blocking_method_calls;
   return true;
 }
 
 }  // namespace testing
 
 }  // namespace statistics
 }  // namespace dbus