Remove ResourceDispatcherHost dependency on Chrome's LoginHandler and ExternalProtocolHandler.

content/browser/renderer_host/resource_dispatcher_host_login_delegate.h

+// Copyright (c) 2011 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_DISPATCHER_HOST_LOGIN_DELEGATE_H_
+#define CONTENT_BROWSER_RENDERER_HOST_RESOURCE_DISPATCHER_HOST_LOGIN_DELEGATE_H_
+#pragma once
+
+#include "base/basictypes.h"
+#include "base/memory/ref_counted.h"
+
+// Interface for getting login credentials for HTTP auth requests.  When the
+// implementation has the credentials, it shoudl call the Requests's SetAuth
+// method.
+class ResourceDispatcherHostLoginDelegate
+    : public base::RefCountedThreadSafe<ResourceDispatcherHostLoginDelegate> {
+ public:
+  ResourceDispatcherHostLoginDelegate();
+  virtual ~ResourceDispatcherHostLoginDelegate();
+
+  // Notify the delegate that the request was cancelled.
+  // This function can only be called from the IO thread.
+  virtual void OnRequestCancelled();
+};
+
+#endif  // CONTENT_BROWSER_RENDERER_HOST_RESOURCE_DISPATCHER_HOST_LOGIN_DELEGATE_H_