[net] Remove logic for fixing up Gzip encoding type for downloads.

net/filter/mock_filter_context.cc

Index: net/filter/mock_filter_context.cc
diff --git a/net/filter/mock_filter_context.cc b/net/filter/mock_filter_context.cc
index 67012de0c75ff3ee574ed17bfaf3d72e76524a07..ebcaa1865211a033c45f201d3bbaf069d2841cdd 100644
--- a/net/filter/mock_filter_context.cc
+++ b/net/filter/mock_filter_context.cc
@@ -10,7 +10,6 @@ namespace net {
 
 MockFilterContext::MockFilterContext()
     : is_cached_content_(false),
-      is_download_(false),
       ok_to_call_get_url_(true),
       response_code_(-1),
       context_(new URLRequestContext()) {
@@ -37,13 +36,6 @@ bool MockFilterContext::GetURL(GURL* gurl) const {
   return true;
 }
 
-bool MockFilterContext::GetContentDisposition(std::string* disposition) const {
-  if (content_disposition_.empty())
-    return false;
-  *disposition = content_disposition_;
-  return true;
-}
-
 // What was this data requested from a server?
 base::Time MockFilterContext::GetRequestTime() const {
   return request_time_;
@@ -51,8 +43,6 @@ base::Time MockFilterContext::GetRequestTime() const {
 
 bool MockFilterContext::IsCachedContent() const { return is_cached_content_; }
 
-bool MockFilterContext::IsDownload() const { return is_download_; }
-
 SdchManager::DictionarySet*
 MockFilterContext::SdchDictionariesAdvertised() const {
   return dictionaries_handle_.get();