Rename blink::AtomicString::Lower() to DeprecatedLower().

third_party/WebKit/Source/core/html/HTMLTrackElement.cpp

 /*
  * Copyright (C) 2011 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:
  * 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 75 matching lines @@
   if (name == srcAttr) {
     if (!params.new_value.IsEmpty())
       ScheduleLoad();
     else if (track_)
       track_->RemoveAllCues();
 
     // 4.8.10.12.3 Sourcing out-of-band text tracks
     // As the kind, label, and srclang attributes are set, changed, or removed,
     // the text track must update accordingly...
   } else if (name == kindAttr) {
-    AtomicString lower_case_value = params.new_value.Lower();
+    AtomicString lower_case_value = params.new_value.DeprecatedLower();
     // 'missing value default' ("subtitles")
     if (lower_case_value.IsNull())
       lower_case_value = TextTrack::SubtitlesKeyword();
     // 'invalid value default' ("metadata")
     else if (!TextTrack::IsValidKindKeyword(lower_case_value))
       lower_case_value = TextTrack::MetadataKeyword();
 
     track()->SetKind(lower_case_value);
   } else if (name == labelAttr) {
     track()->SetLabel(params.new_value);
@@ skipping 232 matching lines @@
   return nullptr;
 }
 
 DEFINE_TRACE(HTMLTrackElement) {
   visitor->Trace(track_);
   visitor->Trace(loader_);
   HTMLElement::Trace(visitor);
 }
 
 }  // namespace blink