Convert Filter::Seek() to use new callback system.

media/filters/audio_renderer_base_unittest.cc

Index: media/filters/audio_renderer_base_unittest.cc
diff --git a/media/filters/audio_renderer_base_unittest.cc b/media/filters/audio_renderer_base_unittest.cc
index 9385f53f1d6c57f370b0667c8067f37ac58d68ed..da616aedf4e586845b325d70fbb8ed89847bafa5 100644
--- a/media/filters/audio_renderer_base_unittest.cc
+++ b/media/filters/audio_renderer_base_unittest.cc
@@ -117,7 +117,7 @@ TEST_F(AudioRendererBaseTest, Initialize_Successful) {
   // Now seek to trigger prerolling, verifying the callback hasn't been
   // executed yet.
   EXPECT_CALL(*renderer_, CheckPoint(0));
-  renderer_->Seek(base::TimeDelta(), NewExpectedCallback());
+  renderer_->Seek(base::TimeDelta(), NewExpectedStatusCB(PIPELINE_OK));
   EXPECT_EQ(kMaxQueueSize, pending_reads_);
   renderer_->CheckPoint(0);
 
@@ -145,7 +145,7 @@ TEST_F(AudioRendererBaseTest, OneCompleteReadCycle) {
   // Now seek to trigger prerolling, verifying the callback hasn't been
   // executed yet.
   EXPECT_CALL(*renderer_, CheckPoint(0));
-  renderer_->Seek(base::TimeDelta(), NewExpectedCallback());
+  renderer_->Seek(base::TimeDelta(), NewExpectedStatusCB(PIPELINE_OK));
   EXPECT_EQ(kMaxQueueSize, pending_reads_);
   renderer_->CheckPoint(0);