Oilpan: Remove most WillBe types from the code base

third_party/WebKit/Source/core/xmlhttprequest/XMLHttpRequestProgressEventThrottle.h

Index: third_party/WebKit/Source/core/xmlhttprequest/XMLHttpRequestProgressEventThrottle.h
diff --git a/third_party/WebKit/Source/core/xmlhttprequest/XMLHttpRequestProgressEventThrottle.h b/third_party/WebKit/Source/core/xmlhttprequest/XMLHttpRequestProgressEventThrottle.h
index 61269f2e582ed15f03c9b9b71d72592f47b4e73e..fbae73f3ee6c1a213bd19d8782ea29a615e94b3c 100644
--- a/third_party/WebKit/Source/core/xmlhttprequest/XMLHttpRequestProgressEventThrottle.h
+++ b/third_party/WebKit/Source/core/xmlhttprequest/XMLHttpRequestProgressEventThrottle.h
@@ -75,7 +75,7 @@ public:
     void dispatchProgressEvent(const AtomicString&, bool lengthComputable, unsigned long long loaded, unsigned long long total);
     // Dispatches the given event after operation about the "progress" event
     // depending on the value of the ProgressEventAction argument.
-    void dispatchReadyStateChangeEvent(PassRefPtrWillBeRawPtr<Event>, DeferredEventAction);
+    void dispatchReadyStateChangeEvent(RawPtr<Event>, DeferredEventAction);
 
     void suspend();
     void resume();
@@ -89,7 +89,7 @@ private:
 
     // Dispatches a "progress" progress event and usually a readyStateChange
     // event as well.
-    void dispatchProgressProgressEvent(PassRefPtrWillBeRawPtr<Event>);
+    void dispatchProgressProgressEvent(RawPtr<Event>);
 
     // The main purpose of this class is to throttle the "progress"
     // ProgressEvent dispatching. This class represents such a deferred
@@ -100,7 +100,7 @@ private:
         void set(bool lengthComputable, unsigned long long loaded, unsigned long long total);
         void clear();
         bool isSet() const { return m_isSet; }
-        PassRefPtrWillBeRawPtr<Event> take();
+        RawPtr<Event> take();
 
     private:
         unsigned long long m_loaded;