Remove the unused Document& argument to the TextTrack constructor

Source/core/html/HTMLMediaElement.cpp

 /*
  * Copyright (C) 2007, 2008, 2009, 2010, 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:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 2488 matching lines @@
     if (!RuntimeEnabledFeatures::audioVideoTracksEnabled())
         return;
 
     videoTracks().remove(trackId);
 }
 
 void HTMLMediaElement::mediaPlayerDidAddTextTrack(WebInbandTextTrack* webTrack)
 {
     // 4.8.10.12.2 Sourcing in-band text tracks
     // 1. Associate the relevant data with a new text track and its corresponding new TextTrack object.
-    RefPtrWillBeRawPtr<InbandTextTrack> textTrack = InbandTextTrack::create(document(), webTrack);
+    RefPtrWillBeRawPtr<InbandTextTrack> textTrack = InbandTextTrack::create(webTrack);
 
     // 2. Set the new text track's kind, label, and language based on the semantics of the relevant data,
     // as defined by the relevant specification. If there is no label in that data, then the label must
     // be set to the empty string.
     // 3. Associate the text track list of cues with the rules for updating the text track rendering appropriate
     // for the format in question.
     // 4. If the new text track's kind is metadata, then set the text track in-band metadata track dispatch type
     // as follows, based on the type of the media resource:
     // 5. Populate the new text track's list of cues with the cues parsed so far, folllowing the guidelines for exposing
     // cues, and begin updating it dynamically as necessary.
@@ skipping 76 matching lines @@
         exceptionState.throwDOMException(SyntaxError, "The 'kind' provided ('" + kind + "') is invalid.");
         return nullptr;
     }
 
     // 2. If the label argument was omitted, let label be the empty string.
     // 3. If the language argument was omitted, let language be the empty string.
     // 4. Create a new TextTrack object.
 
     // 5. Create a new text track corresponding to the new object, and set its text track kind to kind, its text
     // track label to label, its text track language to language...
-    RefPtrWillBeRawPtr<TextTrack> textTrack = TextTrack::create(document(), kind, label, language);
+    RefPtrWillBeRawPtr<TextTrack> textTrack = TextTrack::create(kind, label, language);
 
     // Note, due to side effects when changing track parameters, we have to
     // first append the track to the text track list.
 
     // 6. Add the new text track to the media element's list of text tracks.
     addTextTrack(textTrack.get());
 
     // ... its text track readiness state to the text track loaded state ...
     textTrack->setReadinessState(TextTrack::Loaded);
 
@@ skipping 1344 matching lines @@
 
 #if ENABLE(WEB_AUDIO)
 void HTMLMediaElement::clearWeakMembers(Visitor* visitor)
 {
     if (!visitor->isAlive(m_audioSourceNode) && audioSourceProvider())
         audioSourceProvider()->setClient(0);
 }
 #endif
 
 }