remoting: Use stl utilities from the base namespace

remoting/host/it2me/it2me_native_messaging_host_unittest.cc

 // 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 "remoting/host/it2me/it2me_native_messaging_host.h"
 
 #include <stdint.h>
 
 #include <utility>
 
@@ skipping 259 matching lines @@
     uint32_t length;
     int read_result = output_read_file_.ReadAtCurrentPos(
         reinterpret_cast<char*>(&length), sizeof(length));
     if (read_result != sizeof(length)) {
       // The output pipe has been closed, return an empty message.
       return nullptr;
     }
 
     std::string message_json(length, '\0');
     read_result = output_read_file_.ReadAtCurrentPos(
-        string_as_array(&message_json), length);
+        base::string_as_array(&message_json), length);
     if (read_result != static_cast<int>(length)) {
       LOG(ERROR) << "Message size (" << read_result
                  << ") doesn't match the header (" << length << ").";
       return nullptr;
     }
 
     std::unique_ptr<base::Value> message = base::JSONReader::Read(message_json);
     if (!message || !message->IsType(base::Value::TYPE_DICTIONARY)) {
       LOG(ERROR) << "Malformed message:" << message_json;
       return nullptr;
@@ skipping 258 matching lines @@
 }
 
 // Verify rejection if type is unrecognized.
 TEST_F(It2MeNativeMessagingHostTest, InvalidType) {
   base::DictionaryValue message;
   message.SetString("type", "xxx");
   TestBadRequest(message, true);
 }
 
 }  // namespace remoting