Use filter context to track stats better in SDCH filtering

net/url_request/url_request_http_job.cc

 // 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.
 
 #include "net/url_request/url_request_http_job.h"
 
 #include "base/base_switches.h"
 #include "base/command_line.h"
 #include "base/compiler_specific.h"
 #include "base/file_util.h"
@@ skipping 186 matching lines @@
   DCHECK(encoding_types->empty());
 
   std::string encoding_type;
   void* iter = NULL;
   while (response_info_->headers->EnumerateHeader(&iter, "Content-Encoding",
                                                   &encoding_type)) {
     encoding_types->push_back(Filter::ConvertEncodingToType(encoding_type));
   }
 
   if (!encoding_types->empty()) {
-    std::string mime_type;
-    GetMimeType(&mime_type);
-    // TODO(jar): Need to change this call to use the FilterContext interfaces.
-    Filter::FixupEncodingTypes(IsSdchResponse(), mime_type, encoding_types);
+    Filter::FixupEncodingTypes(*this, encoding_types);
   }
   return !encoding_types->empty();
 }
 
 bool URLRequestHttpJob::IsSdchResponse() const {
   return response_info_ &&
       (request_info_.load_flags & net::LOAD_SDCH_DICTIONARY_ADVERTISED);
 }
 
 bool URLRequestHttpJob::IsRedirectResponse(GURL* location,
@@ skipping 349 matching lines @@
   DCHECK(response_info_);
   DCHECK(response_cookies_.empty());
 
   std::string name = "Set-Cookie";
   std::string value;
 
   void* iter = NULL;
   while (response_info_->headers->EnumerateHeader(&iter, name, &value))
     response_cookies_.push_back(value);
 }