Remove the unused Document& argument to the TextTrack constructor

Source/core/html/track/InbandTextTrack.cpp

Index: Source/core/html/track/InbandTextTrack.cpp
diff --git a/Source/core/html/track/InbandTextTrack.cpp b/Source/core/html/track/InbandTextTrack.cpp
index ce05095498b06d1c88107405229a14f24e5e8af8..00e5d60b3337a3a249f66dc85cc6244d06bda667 100644
--- a/Source/core/html/track/InbandTextTrack.cpp
+++ b/Source/core/html/track/InbandTextTrack.cpp
@@ -39,13 +39,13 @@ using blink::WebString;
 
 namespace WebCore {
 
-PassRefPtrWillBeRawPtr<InbandTextTrack> InbandTextTrack::create(Document& document, WebInbandTextTrack* webTrack)
+PassRefPtrWillBeRawPtr<InbandTextTrack> InbandTextTrack::create(WebInbandTextTrack* webTrack)
 {
-    return adoptRefWillBeRefCountedGarbageCollected(new InbandTextTrack(document, webTrack));
+    return adoptRefWillBeRefCountedGarbageCollected(new InbandTextTrack(webTrack));
 }
 
-InbandTextTrack::InbandTextTrack(Document& document, WebInbandTextTrack* webTrack)
-    : TextTrack(document, emptyAtom, webTrack->label(), webTrack->language(), webTrack->id(), InBand)
+InbandTextTrack::InbandTextTrack(WebInbandTextTrack* webTrack)
+    : TextTrack(emptyAtom, webTrack->label(), webTrack->language(), webTrack->id(), InBand)
     , m_webTrack(webTrack)
 {
     m_webTrack->setClient(this);