Http Cache: Keep track of whether we are doing byte range

net/http/http_cache_transaction.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.
 
 // This file declares HttpCache::Transaction, a private class of HttpCache so
 // it should only be included by http_cache.cc
 
 #ifndef NET_HTTP_HTTP_CACHE_TRANSACTION_H_
 #define NET_HTTP_HTTP_CACHE_TRANSACTION_H_
 #pragma once
@@ skipping 221 matching lines @@
 
   // Called to begin validating the cache entry.  Returns network error code.
   int BeginCacheValidation();
 
   // Called to begin validating an entry that stores partial content.  Returns
   // a network error code.
   int BeginPartialCacheValidation();
 
   // Validates the entry headers against the requested range and continues with
   // the validation of the rest of the entry.  Returns a network error code.
-  int ValidateEntryHeadersAndContinue(bool byte_range_requested);
+  int ValidateEntryHeadersAndContinue();
 
   // Called to start requests which were given an "if-modified-since" or
   // "if-none-match" validation header by the caller (NOT when the request was
   // conditionalized internally in response to LOAD_VALIDATE_CACHE).
   // Returns a network error code.
   int BeginExternallyConditionalizedRequest();
 
   // Called to restart a network transaction after an error.  Returns network
   // error code.
   int RestartNetworkRequest();
@@ skipping 87 matching lines @@
   HttpResponseInfo response_;
   HttpResponseInfo auth_response_;
   const HttpResponseInfo* new_response_;
   std::string cache_key_;
   Mode mode_;
   State target_state_;
   bool reading_;  // We are already reading.
   bool invalid_range_;  // We may bypass the cache for this request.
   bool truncated_;  // We don't have all the response data.
   bool is_sparse_;  // The data is stored in sparse byte ranges.
+  bool range_requested_;  // The user requested a byte range.
   bool handling_206_;  // We must deal with this 206 response.
   bool cache_pending_;  // We are waiting for the HttpCache.
   bool done_reading_;
   scoped_refptr<IOBuffer> read_buf_;
   int io_buf_len_;
   int read_offset_;
   int effective_load_flags_;
   int write_len_;
   scoped_ptr<PartialData> partial_;  // We are dealing with range requests.
   uint64 final_upload_progress_;
   CompletionCallbackImpl<Transaction> io_callback_;
   scoped_refptr<CancelableCompletionCallback<Transaction> > cache_callback_;
   scoped_refptr<CancelableCompletionCallback<Transaction> >
       write_headers_callback_;
 };
 
 }  // namespace net
 
 #endif  // NET_HTTP_HTTP_CACHE_TRANSACTION_H_