net: Notify the http job and cache transaction about a filter

net/url_request/url_request_job.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.
 
 #ifndef NET_URL_REQUEST_URL_REQUEST_JOB_H_
 #define NET_URL_REQUEST_URL_REQUEST_JOB_H_
 #pragma once
 
 #include <string>
 #include <vector>
@@ skipping 228 matching lines @@
   // the data, and bytes_read will receive the number of bytes read.
   // If returning true, and bytes_read is returned as 0, there is no
   // additional data to be read.
   // If returning false, an error occurred or an async IO is now pending.
   // If async IO is pending, the status of the request will be
   // URLRequestStatus::IO_PENDING, and buf must remain available until the
   // operation is completed.  See comments on URLRequest::Read for more
   // info.
   virtual bool ReadRawData(IOBuffer* buf, int buf_size, int *bytes_read);
 
+  // Called to tell the job that a filter has successfully reached the end of
+  // the stream.
+  virtual void DoneReading();
+
   // Informs the filter that data has been read into its buffer
   void FilteredDataRead(int bytes_read);
 
   // Reads filtered data from the request.  Returns true if successful,
   // false otherwise.  Note, if there is not enough data received to
   // return data, this call can issue a new async IO request under
   // the hood.
   bool ReadFilteredData(int *bytes_read);
 
   // Whether the response is being filtered in this job.
@@ skipping 99 matching lines @@
   int deferred_redirect_status_code_;
 
   ScopedRunnableMethodFactory<URLRequestJob> method_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(URLRequestJob);
 };
 
 }  // namespace net
 
 #endif  // NET_URL_REQUEST_URL_REQUEST_JOB_H_