Use a direct include of strings headers in chrome/test/.

chrome/test/chromedriver/chrome/devtools_client_impl.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/test/chromedriver/chrome/devtools_client_impl.h"
 
 #include "base/bind.h"
 #include "base/json/json_reader.h"
 #include "base/json/json_writer.h"
 #include "base/logging.h"
-#include "base/stringprintf.h"
+#include "base/strings/stringprintf.h"
 #include "base/values.h"
 #include "chrome/test/chromedriver/chrome/devtools_event_listener.h"
 #include "chrome/test/chromedriver/chrome/log.h"
 #include "chrome/test/chromedriver/chrome/status.h"
 #include "chrome/test/chromedriver/net/sync_websocket.h"
 #include "chrome/test/chromedriver/net/url_request_context_getter.h"
 
 namespace {
 
 const char* kInspectorContextError =
@@ skipping 418 matching lines @@
     if (unscoped_result)
       command_response->result.reset(unscoped_result->DeepCopy());
     else
       base::JSONWriter::Write(unscoped_error, &command_response->error);
     return true;
   }
   return false;
 }
 
 }  // namespace internal