Remove TextTrack.regions and VTTRegionList

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

Index: third_party/WebKit/Source/core/html/HTMLTrackElement.cpp
diff --git a/third_party/WebKit/Source/core/html/HTMLTrackElement.cpp b/third_party/WebKit/Source/core/html/HTMLTrackElement.cpp
index ca2d9c6c793d9765d3e740e5ba8121e69cd24ae2..9e16321c818f4ca52a4d108d78cf1d51b3a47d17 100644
--- a/third_party/WebKit/Source/core/html/HTMLTrackElement.cpp
+++ b/third_party/WebKit/Source/core/html/HTMLTrackElement.cpp
@@ -287,16 +287,6 @@ void HTMLTrackElement::newCuesAvailable(TextTrackLoader* loader) {
   m_track->addListOfCues(newCues);
 }
 
-void HTMLTrackElement::newRegionsAvailable(TextTrackLoader* loader) {
-  DCHECK_EQ(m_loader, loader);
-  DCHECK(m_track);
-
-  HeapVector<Member<VTTRegion>> newRegions;
-  m_loader->getNewRegions(newRegions);
-
-  m_track->addRegions(newRegions);
-}
-
 void HTMLTrackElement::cueLoadingCompleted(TextTrackLoader* loader,
                                            bool loadingFailed) {
   DCHECK_EQ(m_loader, loader);