Oilpan: Remove most WillBe types from the code base

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

Index: third_party/WebKit/Source/core/frame/VisualViewport.h
diff --git a/third_party/WebKit/Source/core/frame/VisualViewport.h b/third_party/WebKit/Source/core/frame/VisualViewport.h
index 9d6ea090fc23cce0c803be40fefe310982909b2e..896c502d1a6ad7d1a66b75f45bd2d24e29a1023c 100644
--- a/third_party/WebKit/Source/core/frame/VisualViewport.h
+++ b/third_party/WebKit/Source/core/frame/VisualViewport.h
@@ -62,12 +62,12 @@ class LocalFrame;
 // offset is set through the GraphicsLayer <-> CC sync mechanisms. Its contents is the page's
 // main FrameView, which corresponds to the outer viewport. The inner viewport is always contained
 // in the outer viewport and can pan within it.
-class CORE_EXPORT VisualViewport final : public NoBaseWillBeGarbageCollectedFinalized<VisualViewport>, public GraphicsLayerClient, public ScrollableArea {
-    WILL_BE_USING_GARBAGE_COLLECTED_MIXIN(VisualViewport);
+class CORE_EXPORT VisualViewport final : public GarbageCollectedFinalized<VisualViewport>, public GraphicsLayerClient, public ScrollableArea {
+    USING_GARBAGE_COLLECTED_MIXIN(VisualViewport);
 public:
-    static PassOwnPtrWillBeRawPtr<VisualViewport> create(FrameHost& host)
+    static RawPtr<VisualViewport> create(FrameHost& host)
     {
-        return adoptPtrWillBeNoop(new VisualViewport(host));
+        return (new VisualViewport(host));
     }
     ~VisualViewport() override;
 
@@ -226,7 +226,7 @@ private:
         return *m_frameHost;
     }
 
-    RawPtrWillBeMember<FrameHost> m_frameHost;
+    Member<FrameHost> m_frameHost;
     OwnPtr<GraphicsLayer> m_rootTransformLayer;
     OwnPtr<GraphicsLayer> m_innerViewportContainerLayer;
     OwnPtr<GraphicsLayer> m_overscrollElasticityLayer;