Oilpan: Remove most WillBe types from the code base

third_party/WebKit/Source/modules/mediastream/RTCPeerConnection.h

Index: third_party/WebKit/Source/modules/mediastream/RTCPeerConnection.h
diff --git a/third_party/WebKit/Source/modules/mediastream/RTCPeerConnection.h b/third_party/WebKit/Source/modules/mediastream/RTCPeerConnection.h
index 66120bfa60cb6f6ab2ca90d55c5544d538773fc1..82394b1082fa093936daca22369551fba53c217e 100644
--- a/third_party/WebKit/Source/modules/mediastream/RTCPeerConnection.h
+++ b/third_party/WebKit/Source/modules/mediastream/RTCPeerConnection.h
@@ -68,7 +68,7 @@ class RTCPeerConnection final
     , public ActiveDOMObject {
     REFCOUNTED_GARBAGE_COLLECTED_EVENT_TARGET(RTCPeerConnection);
     DEFINE_WRAPPERTYPEINFO();
-    WILL_BE_USING_GARBAGE_COLLECTED_MIXIN(RTCPeerConnection);
+    USING_GARBAGE_COLLECTED_MIXIN(RTCPeerConnection);
 public:
     // TODO(hbos): Create with expired RTCCertificate should fail, see crbug.com/565278.
     static RTCPeerConnection* create(ExecutionContext*, const Dictionary&, const Dictionary&, ExceptionState&);
@@ -169,14 +169,14 @@ private:
     typedef Function<bool()> BoolFunction;
     class EventWrapper : public GarbageCollectedFinalized<EventWrapper> {
     public:
-        EventWrapper(PassRefPtrWillBeRawPtr<Event>, PassOwnPtr<BoolFunction>);
+        EventWrapper(RawPtr<Event>, PassOwnPtr<BoolFunction>);
         // Returns true if |m_setupFunction| returns true or it is null.
         // |m_event| will only be fired if setup() returns true;
         bool setup();
 
         DECLARE_TRACE();
 
-        RefPtrWillBeMember<Event> m_event;
+        Member<Event> m_event;
 
     private:
         OwnPtr<BoolFunction> m_setupFunction;
@@ -184,8 +184,8 @@ private:
 
     RTCPeerConnection(ExecutionContext*, RTCConfiguration*, WebMediaConstraints, ExceptionState&);
 
-    void scheduleDispatchEvent(PassRefPtrWillBeRawPtr<Event>);
-    void scheduleDispatchEvent(PassRefPtrWillBeRawPtr<Event>, PassOwnPtr<BoolFunction>);
+    void scheduleDispatchEvent(RawPtr<Event>);
+    void scheduleDispatchEvent(RawPtr<Event>, PassOwnPtr<BoolFunction>);
     void dispatchScheduledEvent();
     bool hasLocalStreamWithTrackId(const String& trackId);