Oilpan: Remove most WillBe types from the code base

third_party/WebKit/Source/core/frame/DOMTimerCoordinator.h

Index: third_party/WebKit/Source/core/frame/DOMTimerCoordinator.h
diff --git a/third_party/WebKit/Source/core/frame/DOMTimerCoordinator.h b/third_party/WebKit/Source/core/frame/DOMTimerCoordinator.h
index 2c7f0cde49748893c57b8cfcf7b951c4134e5a3c..ebe02147c587ba0630091e46f7d4cb0720aecd48 100644
--- a/third_party/WebKit/Source/core/frame/DOMTimerCoordinator.h
+++ b/third_party/WebKit/Source/core/frame/DOMTimerCoordinator.h
@@ -28,7 +28,7 @@ public:
     explicit DOMTimerCoordinator(PassOwnPtr<WebTaskRunner>);
 
     // Creates and installs a new timer. Returns the assigned ID.
-    int installNewTimeout(ExecutionContext*, PassOwnPtrWillBeRawPtr<ScheduledAction>, int timeout, bool singleShot);
+    int installNewTimeout(ExecutionContext*, RawPtr<ScheduledAction>, int timeout, bool singleShot);
 
     // Removes and disposes the timer with the specified ID, if any. This may
     // destroy the timer.
@@ -54,7 +54,7 @@ public:
 private:
     int nextID();
 
-    using TimeoutMap = WillBeHeapHashMap<int, RefPtrWillBeMember<DOMTimer>>;
+    using TimeoutMap = HeapHashMap<int, Member<DOMTimer>>;
     TimeoutMap m_timers;
 
     int m_circularSequentialID;