Move WebInbandTextTrack/WebInbandTextTrackClient to public/platform/

public/web/WebInbandTextTrack.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 10 matching lines @@
  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  * 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 WebInbandTextTrack_h
-#define WebInbandTextTrack_h
-
-namespace blink {
-
-class WebString;
-class WebInbandTextTrackClient;
-
-class WebInbandTextTrack {
-public:
-    enum Kind {
-        KindSubtitles,
-        KindCaptions,
-        KindDescriptions,
-        KindChapters,
-        KindMetadata,
-        KindNone
-    };
-
-    // FIXME: Remove after Chromium's use in WebInbandTextTrackImpl has been removed.
-    enum Mode {
-        ModeDisabled,
-        ModeHidden,
-        ModeShowing
-    };
-
-    virtual ~WebInbandTextTrack() {}
-
-    virtual void setClient(WebInbandTextTrackClient*) = 0;
-    virtual WebInbandTextTrackClient* client() = 0;
-
-    virtual Kind kind() const = 0;
-    virtual WebString label() const = 0;
-    virtual WebString language() const = 0;
-
-    virtual int textTrackIndex() const = 0;
-};
-
-} // namespace blink
-
-#endif
+#include "public/platform/WebInbandTextTrack.h"