Move Pipeline permanent callbacks into Pipeline::Client interface.

media/base/mock_filters.cc

Index: media/base/mock_filters.cc
diff --git a/media/base/mock_filters.cc b/media/base/mock_filters.cc
index 1c783bd55f0319e71b512b83813a27e8bfc1bbd1..3a9d0a7de99dc32e52f25f6832e39fde750e70a6 100644
--- a/media/base/mock_filters.cc
+++ b/media/base/mock_filters.cc
@@ -6,6 +6,7 @@
 
 #include "base/logging.h"
 #include "base/memory/scoped_ptr.h"
+#include "media/base/text_track_config.h"
 
 using ::testing::_;
 using ::testing::Invoke;
@@ -14,23 +15,17 @@ using ::testing::Return;
 
 namespace media {
 
-MockPipeline::MockPipeline() {}
+MockPipelineClient::MockPipelineClient() {}
+MockPipelineClient::~MockPipelineClient() {}
+
+MockPipeline::MockPipeline(PipelineClient* client) : Pipeline(client) {}
 
 MockPipeline::~MockPipeline() {}
 
 void MockPipeline::Start(Demuxer* demuxer,
                          scoped_ptr<Renderer> renderer,
-                         const base::Closure& ended_cb,
-                         const PipelineStatusCB& error_cb,
-                         const PipelineStatusCB& seek_cb,
-                         const PipelineMetadataCB& metadata_cb,
-                         const BufferingStateCB& buffering_state_cb,
-                         const base::Closure& duration_change_cb,
-                         const AddTextTrackCB& add_text_track_cb,
-                         const base::Closure& waiting_for_decryption_key_cb) {
-  Start(demuxer, &renderer, ended_cb, error_cb, seek_cb, metadata_cb,
-        buffering_state_cb, duration_change_cb, add_text_track_cb,
-        waiting_for_decryption_key_cb);
+                         const PipelineStatusCB& seek_cb) {
+  Start(demuxer, &renderer, seek_cb);
 }
 
 void MockPipeline::Resume(scoped_ptr<Renderer> renderer,