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

device/bluetooth/bluetooth_profile_mac.mm

 // Copyright 2013 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 "device/bluetooth/bluetooth_profile_mac.h"
 
 #import <IOBluetooth/objc/IOBluetoothDevice.h>
 #import <IOBluetooth/objc/IOBluetoothSDPServiceRecord.h>
 #import <IOBluetooth/objc/IOBluetoothSDPUUID.h>
 
 #include <string>
 #include <vector>
 
 #include "base/basictypes.h"
 #include "base/logging.h"
 #include "base/memory/ref_counted.h"
-#include "base/string_number_conversions.h"
+#include "base/strings/string_number_conversions.h"
 #include "device/bluetooth/bluetooth_device_mac.h"
 #include "device/bluetooth/bluetooth_socket_mac.h"
 
 namespace {
 
 // Converts |uuid| to a IOBluetoothSDPUUID instance.
 //
 // |uuid| must be in the format of XXXXXXXX-XXXX-XXXX-XXXX-XXXXXXXXXXXX.
 IOBluetoothSDPUUID* GetIOBluetoothSDPUUID(const std::string& uuid) {
   DCHECK(uuid.size() == 36);
@@ skipping 47 matching lines @@
     if (socket.get() != NULL) {
       BluetoothDeviceMac device_mac(device);
       connection_callback_.Run(&device_mac, socket);
       return true;
     }
   }
   return false;
 }
 
 }  // namespace device