Remove more oilpan.

sky/engine/core/fetch/ResourceLoaderHost.h

 /*
  * Copyright (C) 2013 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 27 matching lines @@
 
 class Resource;
 class ResourceFetcher;
 class LocalFrame;
 class ResourceLoader;
 class ResourceRequest;
 class ResourceResponse;
 
 struct FetchInitiatorInfo;
 
-class ResourceLoaderHost : public DummyBase<void> {
+class ResourceLoaderHost {
 public:
     virtual void incrementRequestCount(const Resource*) = 0;
     virtual void decrementRequestCount(const Resource*) = 0;
     virtual void didLoadResource(Resource*) = 0;
 
     virtual void didFinishLoading(const Resource*, double finishTime, int64_t encodedDataLength) = 0;
     virtual void didChangeLoadingPriority(const Resource*, ResourceLoadPriority, int intraPriorityValue) = 0;
     virtual void didFailLoading(const Resource*, const ResourceError&) = 0;
 
     virtual void willSendRequest(unsigned long identifier, ResourceRequest&, const ResourceResponse& redirectResponse, const FetchInitiatorInfo&) = 0;
@@ skipping 15 matching lines @@
     virtual void derefResourceLoaderHost() = 0;
 
     void ref() { refResourceLoaderHost(); }
     void deref() { derefResourceLoaderHost(); }
 #endif
 };
 
 }
 
 #endif // ResourceLoaderHost_h