Keep only base/extractor.[cc|h].

tools/OmahaCompatibility/HttpServer/download_handler.h

-// Copyright 2008-2009 Google Inc.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-//      http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-// ========================================================================
-
-#ifndef OMAHA_TOOLS_SRC_OMAHACOMPATIBILITY_HTTPSERVER_DOWNLOAD_HANDLER_H_
-#define OMAHA_TOOLS_SRC_OMAHACOMPATIBILITY_HTTPSERVER_DOWNLOAD_HANDLER_H_
-
-#include <windows.h>
-#include <atlstr.h>
-#include "omaha/tools/omahacompatibility/common/config.h"
-#include "omaha/tools/omahacompatibility/httpserver/request.h"
-#include "omaha/tools/omahacompatibility/httpserver/response.h"
-#include "omaha/tools/omahacompatibility/httpserver/url_handler.h"
-
-namespace omaha {
-
-// Handler for the download path on the server. Returns the size and the
-// local path of the file to be returned for the request.
-class DownloadHandler : public UrlHandler {
- public:
-  explicit DownloadHandler(const CString& url_path) : UrlHandler(url_path) {}
-  virtual ~DownloadHandler() {}
-  HRESULT AddDownloadFile(const ConfigResponse& response);
-  virtual HRESULT HandleRequest(const HttpRequest& request,
-                                HttpResponse* response);
- private:
-  ConfigResponses responses_;
-};
-
-}  // namespace omaha
-
-#endif  // OMAHA_TOOLS_SRC_OMAHACOMPATIBILITY_HTTPSERVER_DOWNLOAD_HANDLER_H_