Use a direct include of strings headers in ipc/, jingle/, media/.

media/filters/stream_parser_factory.cc

 // Copyright (c) 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/filters/stream_parser_factory.h"
 
 #include "base/command_line.h"
 #include "base/metrics/histogram.h"
-#include "base/string_number_conversions.h"
-#include "base/string_util.h"
+#include "base/strings/string_number_conversions.h"
+#include "base/strings/string_util.h"
 #include "media/base/media_log.h"
 #include "media/base/media_switches.h"
 #include "media/webm/webm_stream_parser.h"
 
 #if defined(GOOGLE_CHROME_BUILD) || defined(USE_PROPRIETARY_CODECS)
 #include "media/mp4/es_descriptor.h"
 #include "media/mp4/mp4_stream_parser.h"
 #endif
 
 namespace media {
@@ skipping 308 matching lines @@
           "Media.MSE.VideoCodec", video_codecs[i], CodecInfo::HISTOGRAM_MAX);
     }
 
     stream_parser.reset(factory_function(codecs, log_cb));
   }
 
   return stream_parser.Pass();
 }
 
 }  // namespace media