Remove TextTrackCue::notifyRegionWhenRemovingDisplayTree

Source/core/html/track/vtt/VTTCue.cpp

Index: Source/core/html/track/vtt/VTTCue.cpp
diff --git a/Source/core/html/track/vtt/VTTCue.cpp b/Source/core/html/track/vtt/VTTCue.cpp
index 4bac32a98409deb9d3abe976449d98c582ec4305..46cca1aca7873a599541f9e86832934b0d8f8177 100644
--- a/Source/core/html/track/vtt/VTTCue.cpp
+++ b/Source/core/html/track/vtt/VTTCue.cpp
@@ -229,7 +229,6 @@ VTTCue::VTTCue(Document& document, double startTime, double endTime, const Strin
     , m_cueBackgroundBox(HTMLDivElement::create(document))
     , m_snapToLines(true)
     , m_displayTreeShouldChange(true)
-    , m_notifyRegion(true)
 {
     UseCounter::count(document, UseCounter::VTTCue);
 }
@@ -500,11 +499,6 @@ void VTTCue::setRegionId(const String& regionId)
     cueDidChange();
 }
 
-void VTTCue::notifyRegionWhenRemovingDisplayTree(bool notifyRegion)
-{
-    m_notifyRegion = notifyRegion;
-}
-
 float VTTCue::calculateComputedLinePosition() const
 {
     // http://dev.w3.org/html5/webvtt/#dfn-text-track-cue-computed-line-position
@@ -849,9 +843,9 @@ PassRefPtrWillBeRawPtr<VTTCueBox> VTTCue::getDisplayTree()
     return displayTree.release();
 }
 
-void VTTCue::removeDisplayTree()
+void VTTCue::removeDisplayTree(RemovalNotification removalNotification)
 {
-    if (m_notifyRegion && track()->regions()) {
+    if (removalNotification == NotifyRegion && track()->regions()) {
         // The region needs to be informed about the cue removal.
         VTTRegion* region = track()->regions()->getRegionById(m_regionId);
         if (region)