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

media/base/video_frame_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/base/video_frame.h"
 
 #include "base/format_macros.h"
 #include "base/memory/scoped_ptr.h"
-#include "base/stringprintf.h"
+#include "base/strings/stringprintf.h"
 #include "media/base/buffers.h"
 #include "media/base/yuv_convert.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace media {
 
 using base::MD5DigestToBase16;
 
 // Helper function that initializes a YV12 frame with white and black scan
 // lines based on the |white_to_black| parameter.  If 0, then the entire
@@ skipping 183 matching lines @@
   // ExpectFrameExtents).
   ExpectFrameExtents(
       VideoFrame::RGB32,  1, 4, "de6d3d567e282f6a38d478f04fc81fb0");
   ExpectFrameExtents(
       VideoFrame::YV12,   3, 1, "71113bdfd4c0de6cf62f48fb74f7a0b1");
   ExpectFrameExtents(
       VideoFrame::YV16,   3, 1, "9bb99ac3ff350644ebff4d28dc01b461");
 }
 
 }  // namespace media