Removed Unused Cue class

The Cue class was from a previous WebVTT implementation and
is not used in the current implementation. It was missed when the
other classes were removed. This change removes it.

Change-Id: I661ab3fcd80b5e5ef98b5213746b341a4028d1a1

packager/media/formats/webvtt/cue.cc

@@ -1,12 +0,0 @@
-#include "packager/media/formats/webvtt/cue.h"
-
-#include "packager/base/strings/string_util.h"
-
-namespace shaka {
-namespace media {
-
-Cue::Cue() : start_time(0), duration(0) {}
-Cue::~Cue() {}
-
-}  // namespace media
-}  // namespace shaka

packager/media/formats/webvtt/cue.h

@@ -1,35 +0,0 @@
-#ifndef PACKAGER_MEDIA_FORMATS_WEBVTT_CUE_H_
-#define PACKAGER_MEDIA_FORMATS_WEBVTT_CUE_H_
-
-#include <stdint.h>
-
-#include <memory>
-#include <string>
-#include <vector>
-
-#include "packager/media/base/media_sample.h"
-
-namespace shaka {
-namespace media {
-
-// If comment is not empty, then this is metadata and other fields must
-// be empty.
-// Data that can be multiline are vector of strings.
-struct Cue {
-  Cue();
-  ~Cue();
-
-  std::string identifier;
-  uint64_t start_time;
-  uint64_t duration;
-  std::string settings;
-
-  // |payload| and |comment| may have trailing "\n" character.
-  std::string payload;
-  std::string comment;
-};
-
-}  // namespace media
-}  // namespace shaka
-
-#endif  // PACKAGER_MEDIA_FORMATS_WEBVTT_CUE_H_

packager/media/formats/webvtt/webvtt.gyp

@@ -13,8 +13,6 @@
       'target_name': 'webvtt',
       'type': '<(component)',
       'sources': [
-        'cue.cc',
-        'cue.h',
         'text_padder.cc',
         'text_padder.h',
         'text_readers.cc',