Removing DataSource from Filter hierarchy

media/base/pipeline_impl.cc

Index: media/base/pipeline_impl.cc
diff --git a/media/base/pipeline_impl.cc b/media/base/pipeline_impl.cc
index aa5ac3b2d4527b6e6ef3b1865ab2978866db97ce..f4d8774b93d9225b6311f0736322e2d888932c94 100644
--- a/media/base/pipeline_impl.cc
+++ b/media/base/pipeline_impl.cc
@@ -340,11 +340,6 @@ void PipelineImpl::SetCurrentReadPosition(int64 offset) {
   current_bytes_ = offset;
 }
 
-int64 PipelineImpl::GetCurrentReadPosition() {
-  base::AutoLock auto_lock(lock_);
-  return current_bytes_;
-}
-
 void PipelineImpl::ResetState() {
   base::AutoLock auto_lock(lock_);
   const base::TimeDelta kZero;
@@ -457,6 +452,10 @@ PipelineImpl::State PipelineImpl::FindNextState(State current) {
   }
 }
 
+void PipelineImpl::OnDemuxerError(PipelineStatus error) {
+  SetError(error);
+}
+
 void PipelineImpl::SetError(PipelineStatus error) {
   DCHECK(IsRunning());
   DCHECK_NE(PIPELINE_OK, error);