Give the filter setup more context so it can figure out whether it's download...

net/base/filter_unittest.h

Index: net/base/filter_unittest.h
===================================================================
--- net/base/filter_unittest.h	(revision 13526)
+++ net/base/filter_unittest.h	(working copy)
@@ -17,6 +17,7 @@
   explicit MockFilterContext(int buffer_size)
     : buffer_size_(buffer_size),
       is_cached_content_(false),
+      is_download_(false),
       is_sdch_response_(false),
       response_code_(-1) {
   }
@@ -26,6 +27,7 @@
   void SetURL(const GURL& gurl) { gurl_ = gurl; }
   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;
@@ -51,6 +53,9 @@
   // Is data supplied from cache, or fresh across the net?
   virtual bool IsCachedContent() const { return is_cached_content_; }
 
+  // Is this a download?
+  virtual bool IsDownload() const { return is_download_; }
+
   // Was this data flagged as a response to a request with an SDCH dictionary?
   virtual bool IsSdchResponse() const { return is_sdch_response_; }
 
@@ -69,6 +74,7 @@
   GURL gurl_;
   base::Time request_time_;
   bool is_cached_content_;
+  bool is_download_;
   bool is_sdch_response_;
   int response_code_;