Remove MessageLoop methods from Filter interface

media/base/filters.cc

Index: media/base/filters.cc
diff --git a/media/base/filters.cc b/media/base/filters.cc
index d3d3bcbc3c34521a949c69e3a6390bd7e4c77ff4..eff50b4f8635581216245aa63310a30eeb7f2171 100644
--- a/media/base/filters.cc
+++ b/media/base/filters.cc
@@ -5,11 +5,10 @@
 #include "media/base/filters.h"
 
 #include "base/logging.h"
-#include "base/message_loop.h"
 
 namespace media {
 
-Filter::Filter() : host_(NULL), message_loop_(NULL) {}
+Filter::Filter() : host_(NULL) {}
 
 Filter::~Filter() {}
 
@@ -27,24 +26,6 @@ FilterHost* Filter::host() {
   return host_;
 }
 
-bool Filter::requires_message_loop() const {
-  return false;
-}
-
-const char* Filter::message_loop_name() const {
-  return "FilterThread";
-}
-
-void Filter::set_message_loop(MessageLoop* message_loop) {
-  DCHECK(message_loop);
-  DCHECK(!message_loop_);
-  message_loop_ = message_loop;
-}
-
-MessageLoop* Filter::message_loop() {
-  return message_loop_;
-}
-
 void Filter::Play(FilterCallback* callback) {
   DCHECK(callback);
   if (callback) {
@@ -93,26 +74,10 @@ bool DataSource::IsUrlSupported(const std::string& url) {
   return true;
 }
 
-bool Demuxer::requires_message_loop() const {
-  return true;
-}
-
-const char* Demuxer::message_loop_name() const {
-  return "DemuxerThread";
-}
-
 const char* AudioDecoder::major_mime_type() const {
   return mime_type::kMajorTypeAudio;
 }
 
-bool AudioDecoder::requires_message_loop() const {
-  return true;
-}
-
-const char* AudioDecoder::message_loop_name() const {
-  return "AudioDecoderThread";
-}
-
 const char* AudioRenderer::major_mime_type() const {
   return mime_type::kMajorTypeAudio;
 }
@@ -121,14 +86,6 @@ const char* VideoDecoder::major_mime_type() const {
   return mime_type::kMajorTypeVideo;
 }
 
-bool VideoDecoder::requires_message_loop() const {
-  return true;
-}
-
-const char* VideoDecoder::message_loop_name() const {
-  return "VideoDecoderThread";
-}
-
 const char* VideoRenderer::major_mime_type() const {
   return mime_type::kMajorTypeVideo;
 }