Create core/html/media/ and move auxiliary media files in it.

third_party/WebKit/Source/core/html/media/HTMLMediaSource.h

 /*
  * Copyright (C) 2013 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 13 matching lines @@
  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #ifndef HTMLMediaSource_h
 #define HTMLMediaSource_h
 
+#include <memory>
 #include "core/CoreExport.h"
 #include "core/html/URLRegistry.h"
 #include "platform/heap/Handle.h"
 #include "wtf/Forward.h"
-#include <memory>
 
 namespace blink {
 
 class WebMediaSource;
 class HTMLMediaElement;
 class TimeRanges;
 class TrackBase;
 
 class CORE_EXPORT HTMLMediaSource : public URLRegistrable,
                                     public GarbageCollectedMixin {
@@ skipping 24 matching lines @@
   // URLRegistrable
   URLRegistry& registry() const override { return *s_registry; }
 
  private:
   static URLRegistry* s_registry;
 };
 
 }  // namespace blink
 
 #endif