Remove MessageLoop methods from Filter interface

media/base/mock_filters.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 "media/base/mock_filters.h"
 
 namespace media {
 
 MockFilterCallback::MockFilterCallback() : run_destroy_callback_(true) {}
 
@@ skipping 68 matching lines @@
 
 void DestroyFilterCallback(::testing::Unused, FilterCallback* callback) {
   delete callback;
 }
 
 void RunStopFilterCallback(FilterCallback* callback) {
   callback->Run();
   delete callback;
 }
 
-MockFilter::MockFilter() :
-    requires_message_loop_(false) {
-}
-
-MockFilter::MockFilter(bool requires_message_loop) :
-    requires_message_loop_(requires_message_loop) {
+MockFilter::MockFilter() {
 }
 
 MockFilter::~MockFilter() {}
 
-bool MockFilter::requires_message_loop() const {
-  return requires_message_loop_;
-}
-
-const char* MockFilter::message_loop_name() const {
-  return "MockFilter";
-}
-
-
 }  // namespace media