1 files changed, 28 insertions, 20 deletions

diff --git a/Source/WebCore/bindings/js/JSTextTrackCueCustom.cpp b/Source/WebCore/bindings/js/JSTextTrackCueCustom.cpp
index 1605ab3e3..a297e8df2 100644
--- a/Source/WebCore/bindings/js/JSTextTrackCueCustom.cpp
+++ b/Source/WebCore/bindings/js/JSTextTrackCueCustom.cpp
@@ -10,10 +10,10 @@
  *    notice, this list of conditions and the following disclaimer in the
  *    documentation and/or other materials provided with the distribution.
  *
- * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
+ * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE COMPUTER, INC. OR
+ * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE INC. OR
  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
@@ -28,7 +28,10 @@
 #if ENABLE(VIDEO_TRACK)
 
 #include "JSTextTrackCue.h"
+
+#include "JSDataCue.h"
 #include "JSTrackCustom.h"
+#include "JSVTTCue.h"
 #include "TextTrack.h"
 
 using namespace JSC;
@@ -37,18 +40,14 @@ namespace WebCore {
 
 bool JSTextTrackCueOwner::isReachableFromOpaqueRoots(JSC::Handle<JSC::Unknown> handle, void*, SlotVisitor& visitor)
 {
-    JSTextTrackCue* jsTextTrackCue = jsCast<JSTextTrackCue*>(handle.get().asCell());
-    TextTrackCue& textTrackCue = jsTextTrackCue->impl();
+    JSTextTrackCue* jsTextTrackCue = jsCast<JSTextTrackCue*>(handle.slot()->asCell());
+    TextTrackCue& textTrackCue = jsTextTrackCue->wrapped();
 
     // If the cue is firing event listeners, its wrapper is reachable because
     // the wrapper is responsible for marking those event listeners.
     if (textTrackCue.isFiringEventListeners())
         return true;
 
-    // If the cue has no event listeners and has no custom properties, it is not reachable.
-    if (!textTrackCue.hasEventListeners() && !jsTextTrackCue->hasCustomProperties())
-        return false;
-
     // If the cue is not associated with a track, it is not reachable.
     if (!textTrackCue.track())
         return false;
@@ -56,20 +55,29 @@ bool JSTextTrackCueOwner::isReachableFromOpaqueRoots(JSC::Handle<JSC::Unknown> h
     return visitor.containsOpaqueRoot(root(textTrackCue.track()));
 }
 
-void JSTextTrackCue::visitChildren(JSCell* cell, SlotVisitor& visitor)
+JSValue toJSNewlyCreated(ExecState*, JSDOMGlobalObject* globalObject, Ref<TextTrackCue>&& cue)
+{
+    switch (cue->cueType()) {
+    case TextTrackCue::Data:
+        return createWrapper<DataCue>(globalObject, WTFMove(cue));
+    case TextTrackCue::WebVTT:
+    case TextTrackCue::Generic:
+        return createWrapper<VTTCue>(globalObject, WTFMove(cue));
+    default:
+        ASSERT_NOT_REACHED();
+        return jsNull();
+    }
+}
+
+JSValue toJS(ExecState* state, JSDOMGlobalObject* globalObject, TextTrackCue& cue)
+{
+    return wrap(state, globalObject, cue);
+}
+
+void JSTextTrackCue::visitAdditionalChildren(SlotVisitor& visitor)
 {
-    JSTextTrackCue* jsTextTrackCue = jsCast<JSTextTrackCue*>(cell);
-    ASSERT_GC_OBJECT_INHERITS(jsTextTrackCue, info());
-    COMPILE_ASSERT(StructureFlags & OverridesVisitChildren, OverridesVisitChildrenWithoutSettingFlag);
-    ASSERT(jsTextTrackCue->structure()->typeInfo().overridesVisitChildren());
-    Base::visitChildren(jsTextTrackCue, visitor);
-    
-    // Mark the cue's track root if it has one.
-    TextTrackCue& textTrackCue = jsTextTrackCue->impl();
-    if (TextTrack* textTrack = textTrackCue.track())
+    if (TextTrack* textTrack = wrapped().track())
         visitor.addOpaqueRoot(root(textTrack));
-    
-    textTrackCue.visitJSEventListeners(visitor);
 }
 
 } // namespace WebCore