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

device/bluetooth/bluetooth_service_record_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_service_record_mac.h"
 
 #include <IOBluetooth/Bluetooth.h>
 #import <IOBluetooth/IOBluetoothUtilities.h>
 #import <IOBluetooth/objc/IOBluetoothDevice.h>
 #import <IOBluetooth/objc/IOBluetoothSDPDataElement.h>
 #import <IOBluetooth/objc/IOBluetoothSDPServiceRecord.h>
 #import <IOBluetooth/objc/IOBluetoothSDPUUID.h>
 
 #include <string>
 
 #include "base/basictypes.h"
-#include "base/stringprintf.h"
+#include "base/strings/stringprintf.h"
 #include "base/strings/sys_string_conversions.h"
 
 namespace {
 
 void ExtractUuid(IOBluetoothSDPDataElement* service_class_data,
                  std::string* uuid) {
   NSArray* inner_elements = [service_class_data getArrayValue];
   IOBluetoothSDPUUID* sdp_uuid = nil;
   for (IOBluetoothSDPDataElement* inner_element in inner_elements) {
     if ([inner_element getTypeDescriptor] == kBluetoothSDPDataElementTypeUUID) {
@@ skipping 40 matching lines @@
           kBluetoothSDPDataElementTypeDataElementSequence) {
     ExtractUuid(service_class_data, &uuid_);
   }
 }
 
 BluetoothServiceRecordMac::~BluetoothServiceRecordMac() {
   [device_ release];
 }
 
 }  // namespace device