Remove the logic for de-duplicating in-band text track cues

Source/core/html/track/TextTrackCue.cpp

 /*
  * Copyright (C) 2011 Google Inc.  All rights reserved.
  * Copyright (C) 2011, 2012, 2013 Apple 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.
@@ skipping 924 matching lines @@
     else if (name == sizeKeyword)
         return Size;
     else if (name == alignKeyword)
         return Align;
     else if (RuntimeEnabledFeatures::webVTTRegionsEnabled() && name == regionIdKeyword)
         return RegionId;
 
     return None;
 }
 
-void TextTrackCue::setCueSettings(const String& input)
+void TextTrackCue::parseSettings(const String& input)
 {
-    m_settings = input;
     unsigned position = 0;
 
     while (position < input.length()) {
 
         // The WebVTT cue settings part of a WebVTT cue consists of zero or more of the following components, in any order,
         // separated from each other by one or more U+0020 SPACE characters or U+0009 CHARACTER TABULATION (tab) characters.
         while (position < input.length() && WebVTTParser::isValidSettingDelimiter(input[position]))
             position++;
         if (position >= input.length())
             break;
@@ skipping 240 matching lines @@
     ASSERT(m_cueBackgroundBox);
     return m_cueBackgroundBox->executionContext();
 }
 
 Document& TextTrackCue::document() const
 {
     ASSERT(m_cueBackgroundBox);
     return m_cueBackgroundBox->document();
 }
 
-bool TextTrackCue::operator==(const TextTrackCue& cue) const
-{
-    if (m_endTime != cue.endTime())
-        return false;
-    if (m_startTime != cue.startTime())
-        return false;
-    if (m_content != cue.text())
-        return false;
-    if (m_settings != cue.cueSettings())
-        return false;
-    if (m_id != cue.id())
-        return false;
-    if (m_textPosition != cue.position())
-        return false;
-    if (m_linePosition != cue.line())
-        return false;
-    if (m_cueSize != cue.size())
-        return false;
-    if (align() != cue.align())
-        return false;
-
-    return true;
-}
-
 } // namespace WebCore