Fix content-encoding handling with buggy servers.

net/filter/mock_filter_context.h

 // Copyright 2014 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_FILTER_MOCK_FILTER_CONTEXT_H_
 #define NET_FILTER_MOCK_FILTER_CONTEXT_H_
 
 #include <string>
 
 #include "net/filter/filter.h"
 #include "url/gurl.h"
 
 namespace net {
 
 class MockFilterContext : public FilterContext {
  public:
   MockFilterContext();
   virtual ~MockFilterContext();
 
   void SetMimeType(const std::string& mime_type) { mime_type_ = mime_type; }
   void SetURL(const GURL& gurl) { gurl_ = gurl; }
+  void SetFilename(const std::string& filename) { filename_ = filename; }
   void SetRequestTime(const base::Time time) { request_time_ = time; }
   void SetCached(bool is_cached) { is_cached_content_ = is_cached; }
   void SetDownload(bool is_download) { is_download_ = is_download; }
   void SetResponseCode(int response_code) { response_code_ = response_code; }
   void SetSdchResponse(bool is_sdch_response) {
     is_sdch_response_ = is_sdch_response;
   }
 
   virtual bool GetMimeType(std::string* mime_type) const OVERRIDE;
 
   // What URL was used to access this data?
   // Return false if gurl is not present.
   virtual bool GetURL(GURL* gurl) const OVERRIDE;
 
+  // What filename did the server say to use for this data?
+  // Return false if filename is not present.
+  virtual bool GetFilename(std::string* filename) const OVERRIDE;
+
   // What was this data requested from a server?
   virtual base::Time GetRequestTime() const OVERRIDE;
 
   // Is data supplied from cache, or fresh across the net?
   virtual bool IsCachedContent() const OVERRIDE;
 
   // Is this a download?
   virtual bool IsDownload() const OVERRIDE;
 
   // Was this data flagged as a response to a request with an SDCH dictionary?
   virtual bool IsSdchResponse() const OVERRIDE;
 
   // How many bytes were fed to filter(s) so far?
   virtual int64 GetByteReadCount() const OVERRIDE;
 
   virtual int GetResponseCode() const OVERRIDE;
 
   virtual void RecordPacketStats(StatisticSelector statistic) const OVERRIDE {}
 
  private:
   int buffer_size_;
   std::string mime_type_;
+  std::string filename_;
   GURL gurl_;
   base::Time request_time_;
   bool is_cached_content_;
   bool is_download_;
   bool is_sdch_response_;
   int response_code_;
 
   DISALLOW_COPY_AND_ASSIGN(MockFilterContext);
 };
 
 }  // namespace net
 
 #endif  // NET_FILTER_MOCK_FILTER_CONTEXT_H_