Roll Chrome into Mojo.

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 91 matching lines @@
 
   const CompletionCallback& io_callback() { return io_callback_; }
 
   const BoundNetLog& net_log() const;
 
   // Bypasses the cache lock whenever there is lock contention.
   void BypassLockForTest() {
     bypass_lock_for_test_ = true;
   }
 
+  // Generates a failure when attempting to conditionalize a network request.
+  void FailConditionalizationForTest() {
+    fail_conditionalization_for_test_ = true;
+  }
+
   // HttpTransaction methods:
   int Start(const HttpRequestInfo* request_info,
             const CompletionCallback& callback,
             const BoundNetLog& net_log) override;
   int RestartIgnoringLastError(const CompletionCallback& callback) override;
   int RestartWithCertificate(X509Certificate* client_cert,
                              const CompletionCallback& callback) override;
   int RestartWithAuth(const AuthCredentials& credentials,
                       const CompletionCallback& callback) override;
   bool IsReadyToRestartForAuth() override;
@@ skipping 257 matching lines @@
 
   // Performs the needed work after receiving data from the cache, when
   // working with range requests.
   int DoPartialCacheReadCompleted(int result);
 
   // Restarts this transaction after deleting the cached data. It is meant to
   // be used when the current request cannot be fulfilled due to conflicts
   // between the byte range request and the cached entry.
   int DoRestartPartialRequest();
 
+  // Resets the relavant internal state to remove traces of internal processing
+  // related to range requests. Deletes |partial_| if |delete_object| is true.
+  void ResetPartialState(bool delete_object);
+
   // Resets |network_trans_|, which must be non-NULL.  Also updates
   // |old_network_trans_load_timing_|, which must be NULL when this is called.
   void ResetNetworkTransaction();
 
   // Returns true if we should bother attempting to resume this request if it
   // is aborted while in progress. If |has_data| is true, the size of the stored
   // data is considered for the result.
   bool CanResume(bool has_data);
 
   void UpdateTransactionPattern(TransactionPattern new_transaction_pattern);
@@ skipping 26 matching lines @@
   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_;  // All available data was read.
   bool vary_mismatch_;  // The request doesn't match the stored vary data.
   bool couldnt_conditionalize_request_;
   bool bypass_lock_for_test_;  // A test is exercising the cache lock.
+  bool fail_conditionalization_for_test_;  // Fail ConditionalizeRequest.
   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.
   UploadProgress final_upload_progress_;
   CompletionCallback io_callback_;
 
   // Members used to track data for histograms.
@@ skipping 20 matching lines @@
   BeforeProxyHeadersSentCallback before_proxy_headers_sent_callback_;
 
   base::WeakPtrFactory<Transaction> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(Transaction);
 };
 
 }  // namespace net
 
 #endif  // NET_HTTP_HTTP_CACHE_TRANSACTION_H_