Remove dependency of ResourceDispatcherHostImpl on RenderViewHostImpl

content/browser/loader_delegate_impl.h

+// Copyright 2016 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef CONTENT_BROWSER_LOADER_DELEGATE_IMPL_H_
+#define CONTENT_BROWSER_LOADER_DELEGATE_IMPL_H_
+
+#include "content/browser/loader/loader_delegate.h"
+
+namespace content {
+
+class LoaderDelegateImpl : public LoaderDelegate {
+ public:
+  ~LoaderDelegateImpl() override;
+
+  void LoadStateChanged(const GlobalRoutingID& routing_id,
+                        const GURL& url,
+                        const net::LoadStateWithParam& load_state,
+                        uint64_t upload_position,
+                        uint64_t upload_size) override;
+
+ private:
+  void NotifyLoadStateChangedOnUI(const GlobalRoutingID& routing_id,
+                                  const GURL& url,
+                                  const net::LoadStateWithParam& load_state,
+                                  uint64_t upload_position,
+                                  uint64_t upload_size);
+};
+
+}  // namespace content
+
+#endif  // CONTENT_BROWSER_LOADER_DELEGATE_IMPL_H_