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

media/filters/source_buffer_stream_unittest.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 "media/filters/source_buffer_stream.h"
 
 #include <string>
 
 #include "base/logging.h"
-#include "base/string_number_conversions.h"
-#include "base/string_util.h"
+#include "base/strings/string_number_conversions.h"
 #include "base/strings/string_split.h"
+#include "base/strings/string_util.h"
 #include "media/base/data_buffer.h"
 #include "media/base/media_log.h"
 #include "media/base/test_helpers.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace media {
 
 static const int kDefaultFramesPerSecond = 30;
 static const int kDefaultKeyframesPerSecond = 6;
 static const uint8 kDataA = 0x11;
@@ skipping 2774 matching lines @@
   NewSegmentAppend_ExpectFailure("0K 30 30K 60");
 }
 
 // TODO(vrk): Add unit tests where keyframes are unaligned between streams.
 // (crbug.com/133557)
 
 // TODO(vrk): Add unit tests with end of stream being called at interesting
 // times.
 
 }  // namespace media