Remove TextTrack.regions and VTTRegionList

third_party/WebKit/Source/core/html/track/LoadableTextTrack.cpp

Index: third_party/WebKit/Source/core/html/track/LoadableTextTrack.cpp
diff --git a/third_party/WebKit/Source/core/html/track/LoadableTextTrack.cpp b/third_party/WebKit/Source/core/html/track/LoadableTextTrack.cpp
index 7d6c02ff6d92463e7d405a842fed072428068c10..023b17f684bb32476ca238b0b2a6864b3a6a54f5 100644
--- a/third_party/WebKit/Source/core/html/track/LoadableTextTrack.cpp
+++ b/third_party/WebKit/Source/core/html/track/LoadableTextTrack.cpp
@@ -27,7 +27,6 @@
 
 #include "core/dom/ElementTraversal.h"
 #include "core/html/HTMLTrackElement.h"
-#include "core/html/track/vtt/VTTRegionList.h"
 
 namespace blink {
 
@@ -53,12 +52,6 @@ void LoadableTextTrack::setMode(const AtomicString& mode) {
     m_trackElement->scheduleLoad();
 }
 
-void LoadableTextTrack::addRegions(
-    const HeapVector<Member<VTTRegion>>& newRegions) {
-  for (const auto& region : newRegions)
-    regions()->add(region);
-}
-
 size_t LoadableTextTrack::trackElementIndex() const {
   // Count the number of preceding <track> elements (== the index.)
   size_t index = 0;