Http Cache: Add code for simulating an infinite HTTP cache.

net/http/http_cache_transaction.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.
 
 // 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_
 
@@ skipping 39 matching lines @@
   enum Mode {
     NONE            = 0,
     READ_META       = 1 << 0,
     READ_DATA       = 1 << 1,
     READ            = READ_META | READ_DATA,
     WRITE           = 1 << 2,
     READ_WRITE      = READ | WRITE,
     UPDATE          = READ_META | WRITE,  // READ_WRITE & ~READ_DATA
   };
 
-  Transaction(HttpCache* cache, HttpTransactionDelegate* transaction_delegate);
+  Transaction(HttpCache* cache,
+              HttpTransactionDelegate* transaction_delegate,
+              InfiniteCacheTransaction* infinite_cache_transaction);
   virtual ~Transaction();
 
   Mode mode() const { return mode_; }
 
   const std::string& key() const { return cache_key_; }
 
   // Writes |buf_len| bytes of meta-data from the provided buffer |buf|. to the
   // HTTP cache entry that backs this transaction (if any).
   // Returns the number of bytes actually written, or a net error code. If the
   // operation cannot complete immediately, returns ERR_IO_PENDING, grabs a
@@ skipping 294 matching lines @@
   BoundNetLog net_log_;
   scoped_ptr<HttpRequestInfo> custom_request_;
   HttpRequestHeaders request_headers_copy_;
   // If extra_headers specified a "if-modified-since" or "if-none-match",
   // |external_validation_| contains the value of those headers.
   ValidationHeaders external_validation_;
   base::WeakPtr<HttpCache> cache_;
   HttpCache::ActiveEntry* entry_;
   HttpCache::ActiveEntry* new_entry_;
   scoped_ptr<HttpTransaction> network_trans_;
+  scoped_ptr<InfiniteCacheTransaction> infinite_cache_transaction_;
   CompletionCallback callback_;  // Consumer's callback.
   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.
@@ skipping 19 matching lines @@
   base::TimeTicks entry_lock_waiting_since_;
   base::TimeTicks first_cache_access_since_;
   base::TimeTicks send_request_since_;
 
   HttpTransactionDelegate* transaction_delegate_;
 };
 
 }  // namespace net
 
 #endif  // NET_HTTP_HTTP_CACHE_TRANSACTION_H_