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

content/browser/content_resource_dispatcher_host_delegate.h

-// Copyright (c) 2012 The Chromium Authors. All rights reserved.
+// 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 CHROME_BROWSER_RENDERER_HOST_CHROME_RESOURCE_DISPATCHER_HOST_DELEGATE_H_
-#define CHROME_BROWSER_RENDERER_HOST_CHROME_RESOURCE_DISPATCHER_HOST_DELEGATE_H_
+#ifndef CONTENT_BROWSER_CONTENT_RESOURCE_DISPATCHER_HOST_DELEGATE_H_
+#define CONTENT_BROWSER_CONTENT_RESOURCE_DISPATCHER_HOST_DELEGATE_H_
 
-#include <map>
-#include <memory>
-#include <set>
-
-#include "base/compiler_specific.h"
-#include "base/macros.h"
-#include "base/memory/ref_counted.h"
-#include "chrome/browser/external_protocol/external_protocol_handler.h"
 #include "content/public/browser/resource_dispatcher_host_delegate.h"
 
-class DelayedResourceQueue;
-class DownloadRequestLimiter;
+namespace content {
 
-namespace extensions {
-class UserScriptListener;
-}
+// ResourceDispatcherHostDelegate that implements content-specific
+// functionality before delegating again the the content client. Used to
+// separate content/browser/loader from the rest of content.
+class ContentResourceDispatcherHostDelegate
+    : public ResourceDispatcherHostDelegate {
+ public:
+  ContentResourceDispatcherHostDelegate();
+  ~ContentResourceDispatcherHostDelegate() override;
 
-namespace safe_browsing {
-class SafeBrowsingService;
-}
-
-// Implements ResourceDispatcherHostDelegate. Currently used by the Prerender
-// system to abort requests and add to the load flags when a request begins.
-class ChromeResourceDispatcherHostDelegate
-    : public content::ResourceDispatcherHostDelegate {
- public:
-  ChromeResourceDispatcherHostDelegate();
-  ~ChromeResourceDispatcherHostDelegate() override;
+  void SetChild(ResourceDispatcherHostDelegate* child);
 
   // ResourceDispatcherHostDelegate implementation.
   bool ShouldBeginRequest(const std::string& method,
                           const GURL& url,
                           content::ResourceType resource_type,
                           content::ResourceContext* resource_context) override;
   void RequestBeginning(
       net::URLRequest* request,
       content::ResourceContext* resource_context,
       content::AppCacheService* appcache_service,
@@ skipping 34 matching lines @@
                          IPC::Sender* sender) override;
   void OnRequestRedirected(const GURL& redirect_url,
                            net::URLRequest* request,
                            content::ResourceContext* resource_context,
                            content::ResourceResponse* response) override;
   void RequestComplete(net::URLRequest* url_request) override;
   bool ShouldEnableLoFiMode(
       const net::URLRequest& url_request,
       content::ResourceContext* resource_context) override;
 
-  // Called on the UI thread. Allows switching out the
-  // ExternalProtocolHandler::Delegate for testing code.
-  static void SetExternalProtocolHandlerDelegateForTesting(
-      ExternalProtocolHandler::Delegate* delegate);
-
  private:
-#if defined(ENABLE_EXTENSIONS)
-  struct StreamTargetInfo {
-    std::string extension_id;
-    std::string view_id;
-  };
-#endif
-
-  void AppendStandardResourceThrottles(
-      net::URLRequest* request,
-      content::ResourceContext* resource_context,
-      content::ResourceType resource_type,
-      ScopedVector<content::ResourceThrottle>* throttles);
-
-  scoped_refptr<DownloadRequestLimiter> download_request_limiter_;
-  scoped_refptr<safe_browsing::SafeBrowsingService> safe_browsing_;
-#if defined(ENABLE_EXTENSIONS)
-  scoped_refptr<extensions::UserScriptListener> user_script_listener_;
-  std::map<net::URLRequest*, StreamTargetInfo> stream_target_info_;
-#endif
-
-  DISALLOW_COPY_AND_ASSIGN(ChromeResourceDispatcherHostDelegate);
+  ResourceDispatcherHostDelegate* child_;  // weak
 };
 
-#endif  // CHROME_BROWSER_RENDERER_HOST_CHROME_RESOURCE_DISPATCHER_HOST_DELEGATE_H_
+}  // namespace content
+
+#endif  // CONTENT_BROWSER_CONTENT_RESOURCE_DISPATCHER_HOST_DELEGATE_H_