Oilpan: Remove most WillBe types from the code base

third_party/WebKit/Source/core/inspector/InspectorOverlayHost.h

Index: third_party/WebKit/Source/core/inspector/InspectorOverlayHost.h
diff --git a/third_party/WebKit/Source/core/inspector/InspectorOverlayHost.h b/third_party/WebKit/Source/core/inspector/InspectorOverlayHost.h
index 9956b9360ea9817701e186e8bed32280c6a0cde8..089e716156ba391c7c4803e27f0bc470200336c1 100644
--- a/third_party/WebKit/Source/core/inspector/InspectorOverlayHost.h
+++ b/third_party/WebKit/Source/core/inspector/InspectorOverlayHost.h
@@ -36,12 +36,12 @@
 
 namespace blink {
 
-class CORE_EXPORT InspectorOverlayHost final : public RefCountedWillBeGarbageCollectedFinalized<InspectorOverlayHost>, public ScriptWrappable {
+class CORE_EXPORT InspectorOverlayHost final : public GarbageCollectedFinalized<InspectorOverlayHost>, public ScriptWrappable {
     DEFINE_WRAPPERTYPEINFO();
 public:
-    static PassRefPtrWillBeRawPtr<InspectorOverlayHost> create()
+    static RawPtr<InspectorOverlayHost> create()
     {
-        return adoptRefWillBeNoop(new InspectorOverlayHost());
+        return new InspectorOverlayHost();
     }
     ~InspectorOverlayHost();
     DECLARE_TRACE();
@@ -55,7 +55,7 @@ public:
     void nextSelector();
     void previousSelector();
 
-    class Listener : public WillBeGarbageCollectedMixin {
+    class Listener : public GarbageCollectedMixin {
     public:
         virtual ~Listener() { }
         virtual void overlayResumed() = 0;
@@ -72,7 +72,7 @@ public:
 private:
     InspectorOverlayHost();
 
-    RawPtrWillBeMember<Listener> m_listener;
+    Member<Listener> m_listener;
 
 };