Use HTTP status return code to make SDCH handling more robust...

net/url_request/url_request_job.h

 // Copyright (c) 2006-2008 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_
 
 #include <string>
 #include <vector>
 
@@ skipping 87 matching lines @@
 
   // Returns the cookie values included in the response, if applicable.
   // Returns true if applicable.
   // NOTE: This removes the cookies from the job, so it will only return
   //       useful results once per job.
   virtual bool GetResponseCookies(std::vector<std::string>* cookies) {
     return false;
   }
 
   // Returns the HTTP response code for the request.
-  virtual int GetResponseCode() { return -1; }
+  virtual int GetResponseCode() const { return -1; }
 
   // Called to fetch the encoding types for this request. Only makes sense for
   // some types of requests. Returns true on success. Calling this on a request
   // that doesn't have or specify an encoding type will return false.
   // Returns a array of strings showing the sequential encodings used on the
   // content.
   // For example, encoding_types[0] = FILTER_TYPE_SDCH and encoding_types[1] =
   // FILTER_TYPE_GZIP, means the content was first encoded by sdch, and then
   // result was encoded by gzip.  To decode, a series of filters must be applied
   // in the reverse order (in the above example, ungzip first, and then sdch
@@ skipping 69 matching lines @@
   void set_expected_content_size(const int64& size) {
     expected_content_size_ = size;
   }
 
   // Whether we have processed the response for that request yet.
   bool has_response_started() const { return has_handled_response_; }
 
   // FilterContext methods:
   // These methods are not applicable to all connections.
   virtual bool GetMimeType(std::string* mime_type) const { return false; }
-  virtual int64 GetByteReadCount() const;
   virtual bool GetURL(GURL* gurl) const;
   virtual base::Time GetRequestTime() const;
   virtual bool IsCachedContent() const;
+  virtual int64 GetByteReadCount() const;
   virtual int GetInputStreamBufferSize() const { return kFilterBufSize; }
 
  protected:
   // Notifies the job that headers have been received.
   void NotifyHeadersComplete();
 
   // Notifies the request that the job has completed a Read operation.
   void NotifyReadComplete(int bytes_read);
 
   // Notifies the request that a start error has occurred.
@@ skipping 106 matching lines @@
 
   // Total number of bytes read from network (or cache) and and typically handed
   // to filter to process.  Used to histogram compression ratios, and error
   // recovery scenarios in filters.
   int64 filter_input_byte_count_;
 
   DISALLOW_COPY_AND_ASSIGN(URLRequestJob);
 };
 
 #endif  // NET_URL_REQUEST_URL_REQUEST_JOB_H_