Remove dependency of AsyncResourceLoader on content/browser/host_zoom_map_impl.h

content/browser/content_resource_dispatcher_host.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_CONTENT_RESOURCE_DISPATCHER_HOST_H_
+#define CONTENT_BROWSER_CONTENT_RESOURCE_DISPATCHER_HOST_H_
+
+#include "base/macros.h"
+#include "content/browser/content_resource_dispatcher_host_delegate.h"
+#include "content/public/browser/resource_dispatcher_host.h"
+
+namespace content {
+
+class ResourceDispatcherHostImpl;
+
+// Wrapper around ResourceDispatcherHostImpl that wraps a
+// ContentResourceDispatcherHostDelegate around the
+// ResourceDispatcherHostDelegate supplied by the content client.
+class ContentResourceDispatcherHost : public ResourceDispatcherHost {
+ public:
+  ContentResourceDispatcherHost();
+  ~ContentResourceDispatcherHost() override;
+
+  void SetChild(ResourceDispatcherHostImpl* child);
+
+  // ResourceDispatcherHost:
+  void SetDelegate(ResourceDispatcherHostDelegate* delegate) override;
+  void SetAllowCrossOriginAuthPrompt(bool value) override;
+  void ClearLoginDelegateForRequest(net::URLRequest* request) override;
+
+ private:
+  ResourceDispatcherHostImpl* child_;
+  std::unique_ptr<ContentResourceDispatcherHostDelegate>
+      content_resource_dispatcher_host_delegate_;
+
+  DISALLOW_COPY_AND_ASSIGN(ContentResourceDispatcherHost);
+};
+
+}  // content
+
+#endif  // CONTENT_BROWSER_CONTENT_RESOURCE_DISPATCHER_HOST_H_