Getting rid of duplicate includes from media/

media/cdm/ppapi/external_clear_key/clear_key_cdm.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 "media/cdm/ppapi/external_clear_key/clear_key_cdm.h"
 
 #include <algorithm>
 #include <cstring>
 #include <sstream>
-#include <string>
-#include <vector>
 
 #include "base/bind.h"
 #include "base/logging.h"
 #include "base/stl_util.h"
 #include "base/time/time.h"
 #include "base/trace_event/trace_event.h"
 #include "media/base/cdm_callback_promise.h"
 #include "media/base/cdm_key_information.h"
 #include "media/base/decoder_buffer.h"
 #include "media/base/decrypt_config.h"
@@ skipping 903 matching lines @@
 void ClearKeyCdm::OnFileIOTestComplete(bool success) {
   DVLOG(1) << __FUNCTION__ << ": " << success;
   std::string message = GetFileIOTestResultMessage(success);
   host_->OnSessionMessage(last_session_id_.data(), last_session_id_.length(),
                           cdm::kLicenseRequest, message.data(),
                           message.length(), NULL, 0);
   file_io_test_runner_.reset();
 }
 
 }  // namespace media