Oilpan: Remove most WillBe types from the code base

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

Index: third_party/WebKit/Source/core/frame/RemoteFrameView.h
diff --git a/third_party/WebKit/Source/core/frame/RemoteFrameView.h b/third_party/WebKit/Source/core/frame/RemoteFrameView.h
index 70e71485dba236c5d0e2ab769ef6b188dd4dbc14..21548333f954a8a2e2b55e7ebce0f053dda83792 100644
--- a/third_party/WebKit/Source/core/frame/RemoteFrameView.h
+++ b/third_party/WebKit/Source/core/frame/RemoteFrameView.h
@@ -15,7 +15,7 @@ class RemoteFrame;
 
 class RemoteFrameView final : public Widget {
 public:
-    static PassRefPtrWillBeRawPtr<RemoteFrameView> create(RemoteFrame*);
+    static RawPtr<RemoteFrameView> create(RemoteFrame*);
 
     ~RemoteFrameView() override;
 
@@ -49,7 +49,7 @@ private:
     // and its RemoteFrameView corresponds to that between LocalFrame
     // and FrameView. Please see the FrameView::m_frame comment for
     // details.
-    RefPtrWillBeMember<RemoteFrame> m_remoteFrame;
+    Member<RemoteFrame> m_remoteFrame;
 };
 
 DEFINE_TYPE_CASTS(RemoteFrameView, Widget, widget, widget->isRemoteFrameView(), widget.isRemoteFrameView());