Move FilterType into MediaFilterCollection

media/base/filters.cc

Index: media/base/filters.cc
diff --git a/media/base/filters.cc b/media/base/filters.cc
index 0773b89b3ea508ad0ef4700c8755ff81d424636e..100af783a66f1b594f11b48d3eea388be18bc444 100644
--- a/media/base/filters.cc
+++ b/media/base/filters.cc
@@ -93,14 +93,6 @@ bool DataSource::IsUrlSupported(const std::string& url) {
   return true;
 }
 
-FilterType DataSource::filter_type() const {
-  return static_filter_type();
-}
-
-FilterType Demuxer::filter_type() const {
-  return static_filter_type();
-}
-
 bool Demuxer::requires_message_loop() const {
   return true;
 }
@@ -109,10 +101,6 @@ const char* Demuxer::message_loop_name() const {
   return "DemuxerThread";
 }
 
-FilterType AudioDecoder::filter_type() const {
-  return static_filter_type();
-}
-
 const char* AudioDecoder::major_mime_type() const {
   return mime_type::kMajorTypeAudio;
 }
@@ -125,18 +113,10 @@ const char* AudioDecoder::message_loop_name() const {
   return "AudioDecoderThread";
 }
 
-FilterType AudioRenderer::filter_type() const {
-  return static_filter_type();
-}
-
 const char* AudioRenderer::major_mime_type() const {
   return mime_type::kMajorTypeAudio;
 }
 
-FilterType VideoDecoder::filter_type() const {
-  return static_filter_type();
-}
-
 const char* VideoDecoder::major_mime_type() const {
   return mime_type::kMajorTypeVideo;
 }
@@ -149,10 +129,6 @@ const char* VideoDecoder::message_loop_name() const {
   return "VideoDecoderThread";
 }
 
-FilterType VideoRenderer::filter_type() const {
-  return static_filter_type();
-}
-
 const char* VideoRenderer::major_mime_type() const {
   return mime_type::kMajorTypeVideo;
 }