Make URLRequestHttpJob the only URLRequestJob concerned with FilterContext.

net/url_request/url_request_job_tracker_unittest.cc

 // Copyright (c) 2011 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 <string.h>
 #include <algorithm>
 #include <string>
 #include <vector>
 #include "base/message_loop.h"
 #include "googleurl/src/gurl.h"
@@ skipping 100 matching lines @@
       NotifyDone(URLRequestStatus());
     } else if (status > 0) {
       SetStatus(URLRequestStatus());
     } else {
       ASSERT_FALSE(true) << "Unexpected OnReadCompleted callback.";
     }
 
     NotifyReadComplete(status);
   }
 
-  bool GetContentEncodings(
-      std::vector<Filter::FilterType>* encoding_types) {
-    if (request_->url().spec() == "test:basic") {
-      return false;
-    } else if (request_->url().spec() == "test:compressed") {
-      encoding_types->push_back(Filter::FILTER_TYPE_GZIP);
-      return true;
-    } else {
-      return URLRequestJob::GetContentEncodings(encoding_types);
-    }
+  Filter* SetupFilter() const {
+    return request_->url().spec() == "test:compressed"
+        ? Filter::GZipFactory() : NULL;
   }
 
   // The data to send, will be set in Start().
   std::string response_data_;
 
   // Should reads be synchronous or asynchronous?
   const bool async_reads_;
 };
 
 // Google Mock Matcher to check two URLRequestStatus instances for
@@ skipping 86 matching lines @@
   AssertJobTrackerCallbacks("test:compressed");
 }
 
 TEST_F(URLRequestJobTrackerTest, CompressedSync) {
   g_async_reads = false;
   AssertJobTrackerCallbacks("test:compressed");
 }
 
 }  // namespace
 }  // namespace net