Oilpan: move Touch related objects to the oilpan heap.

Source/core/events/TouchEventContext.cpp

Index: Source/core/events/TouchEventContext.cpp
diff --git a/Source/core/events/TouchEventContext.cpp b/Source/core/events/TouchEventContext.cpp
index 5bdd411531858380009aa66f2e959a066b407c2b..866d14688e6f7f7bec5ae07ca79927576c160691 100644
--- a/Source/core/events/TouchEventContext.cpp
+++ b/Source/core/events/TouchEventContext.cpp
@@ -33,9 +33,9 @@
 
 namespace WebCore {
 
-PassRefPtr<TouchEventContext> TouchEventContext::create()
+PassRefPtrWillBeRawPtr<TouchEventContext> TouchEventContext::create()
 {
-    return adoptRef(new TouchEventContext);
+    return adoptRefWillBeNoop(new TouchEventContext);
 }
 
 TouchEventContext::TouchEventContext()
@@ -58,4 +58,11 @@ void TouchEventContext::handleLocalEvents(Event* event) const
     touchEvent->setChangedTouches(m_changedTouches);
 }
 
+void TouchEventContext::trace(Visitor* visitor)
+{
+    visitor->trace(m_touches);
+    visitor->trace(m_targetTouches);
+    visitor->trace(m_changedTouches);
+}
+
 }