Add content/browser/loader/ for resource loading related classes.

content/browser/renderer_host/resource_loader_delegate.h

-// Copyright (c) 2012 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_RENDERER_HOST_RESOURCE_LOADER_DELEGATE_H_
-#define CONTENT_BROWSER_RENDERER_HOST_RESOURCE_LOADER_DELEGATE_H_
-
-#include "content/common/content_export.h"
-
-namespace net {
-class AuthChallengeInfo;
-class SSLCertRequestInfo;
-}
-
-namespace content {
-class ResourceDispatcherHostLoginDelegate;
-class ResourceLoader;
-
-class CONTENT_EXPORT ResourceLoaderDelegate {
- public:
-  virtual ResourceDispatcherHostLoginDelegate* CreateLoginDelegate(
-      ResourceLoader* loader,
-      net::AuthChallengeInfo* auth_info) = 0;
-
-  virtual bool AcceptAuthRequest(ResourceLoader* loader,
-                                 net::AuthChallengeInfo* auth_info) = 0;
-  virtual bool AcceptSSLClientCertificateRequest(
-      ResourceLoader* loader,
-      net::SSLCertRequestInfo* cert_info) = 0;
-
-  virtual bool HandleExternalProtocol(ResourceLoader* loader,
-                                      const GURL& url) = 0;
-
-  virtual void DidStartRequest(ResourceLoader* loader) = 0;
-  virtual void DidReceiveRedirect(ResourceLoader* loader,
-                                  const GURL& new_url) = 0;
-  virtual void DidReceiveResponse(ResourceLoader* loader) = 0;
-
-  // This method informs the delegate that the loader is done, and the loader
-  // expects to be destroyed as a side-effect of this call.
-  virtual void DidFinishLoading(ResourceLoader* loader) = 0;
-
- protected:
-  virtual ~ResourceLoaderDelegate() {}
-};
-
-}  // namespace content
-
-#endif  // CONTENT_BROWSER_RENDERER_HOST_RESOURCE_LOADER_DELEGATE_H_