Fold VTTCue::createCueRenderingTree into VTTCue::updateDisplayTree

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 03339999edfbd5bf8c3e29076b99454fef831d41..1b4970969dedd71198f12e5ddf8183ec75952f04 100644
--- a/Source/core/html/track/vtt/VTTCue.cpp
+++ b/Source/core/html/track/vtt/VTTCue.cpp
@@ -490,14 +490,6 @@ PassRefPtrWillBeRawPtr<DocumentFragment> VTTCue::getCueAsHTML()
     return clonedFragment.release();
 }
 
-PassRefPtrWillBeRawPtr<DocumentFragment> VTTCue::createCueRenderingTree()
-{
-    createVTTNodeTree();
-    RefPtrWillBeRawPtr<DocumentFragment> clonedFragment = DocumentFragment::create(document());
-    m_vttNodeTree->cloneChildNodes(clonedFragment.get());
-    return clonedFragment.release();
-}
-
 void VTTCue::setRegionId(const String& regionId)
 {
     if (m_regionId == regionId)
@@ -804,7 +796,9 @@ void VTTCue::updateDisplayTree(double movieTime)
     m_cueBackgroundBox->removeChildren();
 
     // Update the two sets containing past and future WebVTT objects.
-    RefPtrWillBeRawPtr<DocumentFragment> referenceTree = createCueRenderingTree();
+    createVTTNodeTree();
+    RefPtrWillBeRawPtr<DocumentFragment> referenceTree = DocumentFragment::create(document());
+    m_vttNodeTree->cloneChildNodes(referenceTree.get());
     markFutureAndPastNodes(referenceTree.get(), startTime(), movieTime);
     m_cueBackgroundBox->appendChild(referenceTree, ASSERT_NO_EXCEPTION);
 }