Remove more oilpan.

sky/engine/core/fetch/Resource.h

Index: sky/engine/core/fetch/Resource.h
diff --git a/sky/engine/core/fetch/Resource.h b/sky/engine/core/fetch/Resource.h
index ce5f177b5429dac002d06e1c963e27e270c6d954..36954699cbee7230746b20c224f798a40b16d935 100644
--- a/sky/engine/core/fetch/Resource.h
+++ b/sky/engine/core/fetch/Resource.h
@@ -51,8 +51,8 @@ class SharedBuffer;
 // A resource that is held in the cache. Classes who want to use this object should derive
 // from ResourceClient, to get the function calls in case the requested data has arrived.
 // This class also does the actual communication with the loader to obtain the resource from the network.
-class Resource : public DummyBase<Resource> {
-    WTF_MAKE_NONCOPYABLE(Resource); WTF_MAKE_FAST_ALLOCATED_WILL_BE_REMOVED;
+class Resource {
+    WTF_MAKE_NONCOPYABLE(Resource); WTF_MAKE_FAST_ALLOCATED;
     friend class InspectorResource;
 
 public: