Add support for HTTP range requests in the AppCacheURLLoaderImpl class.

content/browser/appcache/appcache_url_request_job.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_APPCACHE_APPCACHE_URL_REQUEST_JOB_H_
 #define CONTENT_BROWSER_APPCACHE_APPCACHE_URL_REQUEST_JOB_H_
 
 #include <stdint.h>
 
 #include <string>
 
 #include "base/callback.h"
 #include "content/browser/appcache/appcache_entry.h"
 #include "content/browser/appcache/appcache_executable_handler.h"
 #include "content/browser/appcache/appcache_job.h"
-#include "content/browser/appcache/appcache_response.h"
 #include "content/browser/appcache/appcache_storage.h"
 #include "content/common/content_export.h"
-#include "net/http/http_byte_range.h"
 #include "net/url_request/url_request_job.h"
 
 namespace net {
 class GrowableIOBuffer;
 };
 
 namespace content {
 class AppCacheHost;
 class AppCacheRequestHandlerTest;
 class AppCacheURLRequestJobTest;
@@ skipping 61 matching lines @@
   void OnExecutableResponseCallback(
       const AppCacheExecutableHandler::Response& response);
   void BeginErrorDelivery(const char* message);
 
   // AppCacheStorage::Delegate methods
   void OnResponseInfoLoaded(AppCacheResponseInfo* response_info,
                             int64_t response_id) override;
   void OnCacheLoaded(AppCache* cache, int64_t cache_id) override;
 
   const net::HttpResponseInfo* http_info() const;
-  bool is_range_request() const { return range_requested_.IsValid(); }
-  void SetupRangeResponse();
 
   // AppCacheResponseReader completion callback
   void OnReadComplete(int result);
 
   // net::URLRequestJob methods, see url_request_job.h for doc comments
   void Start() override;
   net::LoadState GetLoadState() const override;
   bool GetCharset(std::string* charset) override;
   void GetResponseInfo(net::HttpResponseInfo* info) override;
   int ReadRawData(net::IOBuffer* buf, int buf_size) override;
@@ skipping 13 matching lines @@
   AppCacheHost* host_;
   AppCacheStorage* storage_;
   base::TimeTicks start_time_tick_;
   bool has_been_started_;
   bool has_been_killed_;
   GURL manifest_url_;
   int64_t cache_id_;
   AppCacheEntry entry_;
   bool is_fallback_;
   bool is_main_resource_;  // Used for histogram logging.
-  scoped_refptr<AppCacheResponseInfo> info_;
   scoped_refptr<net::GrowableIOBuffer> handler_source_buffer_;
   std::unique_ptr<AppCacheResponseReader> handler_source_reader_;
-  net::HttpByteRange range_requested_;
-  std::unique_ptr<net::HttpResponseInfo> range_response_info_;
-  std::unique_ptr<AppCacheResponseReader> reader_;
   scoped_refptr<AppCache> cache_;
   scoped_refptr<AppCacheGroup> group_;
   const OnPrepareToRestartCallback on_prepare_to_restart_callback_;
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_APPCACHE_APPCACHE_URL_REQUEST_JOB_H_