Oilpan: Remove most WillBe types from the code base

third_party/WebKit/Source/core/html/HTMLSlotElement.cpp

Index: third_party/WebKit/Source/core/html/HTMLSlotElement.cpp
diff --git a/third_party/WebKit/Source/core/html/HTMLSlotElement.cpp b/third_party/WebKit/Source/core/html/HTMLSlotElement.cpp
index 2779b52b78d584da2e9de46afc3bf055d4c1fc0c..c3c78949c10bedc770f876d1e281d1df65c65692 100644
--- a/third_party/WebKit/Source/core/html/HTMLSlotElement.cpp
+++ b/third_party/WebKit/Source/core/html/HTMLSlotElement.cpp
@@ -52,7 +52,7 @@ inline HTMLSlotElement::HTMLSlotElement(Document& document)
 
 DEFINE_NODE_FACTORY(HTMLSlotElement);
 
-const WillBeHeapVector<RefPtrWillBeMember<Node>> HTMLSlotElement::getAssignedNodesForBinding(const AssignedNodesOptions& options)
+const HeapVector<Member<Node>> HTMLSlotElement::getAssignedNodesForBinding(const AssignedNodesOptions& options)
 {
     updateDistribution();
     if (options.hasFlatten() && options.flatten())
@@ -60,7 +60,7 @@ const WillBeHeapVector<RefPtrWillBeMember<Node>> HTMLSlotElement::getAssignedNod
     return m_assignedNodes;
 }
 
-const WillBeHeapVector<RefPtrWillBeMember<Node>>& HTMLSlotElement::getDistributedNodes()
+const HeapVector<Member<Node>>& HTMLSlotElement::getDistributedNodes()
 {
     ASSERT(!needsDistributionRecalc());
     if (isInShadowTree())
@@ -124,7 +124,7 @@ bool HTMLSlotElement::hasSlotChangeEventListener()
 
 void HTMLSlotElement::dispatchSlotChangeEvent()
 {
-    RefPtrWillBeRawPtr<Event> event = Event::create(EventTypeNames::slotchange);
+    RawPtr<Event> event = Event::create(EventTypeNames::slotchange);
     event->setTarget(this);
     dispatchScopedEvent(event);
 }
@@ -269,7 +269,7 @@ void HTMLSlotElement::didUpdateDistribution()
     }
     if (hasSlotChangeEventListener() && distributionChanged()) {
         // TODO(hayato): Do not enqueue a slotchange event for the same slot twice in the microtask queue
-        Microtask::enqueueMicrotask(WTF::bind(&HTMLSlotElement::dispatchSlotChangeEvent, PassRefPtrWillBeRawPtr<HTMLSlotElement>(this)));
+        Microtask::enqueueMicrotask(WTF::bind(&HTMLSlotElement::dispatchSlotChangeEvent, RawPtr<HTMLSlotElement>(this)));
     }
 }