Encrypted Media: Replace DecryptorClient with key event callbacks.

media/filters/video_decoder_selector_unittest.cc

Index: media/filters/video_decoder_selector_unittest.cc
diff --git a/media/filters/video_decoder_selector_unittest.cc b/media/filters/video_decoder_selector_unittest.cc
index dcf390d1260c53508524ec4e758e6bc6f167d4c0..9ca8c85c10057742454c03973c2f490df1720246 100644
--- a/media/filters/video_decoder_selector_unittest.cc
+++ b/media/filters/video_decoder_selector_unittest.cc
@@ -129,7 +129,7 @@ class VideoDecoderSelectorTest : public ::testing::Test {
   VideoDecoderConfig encrypted_video_config_;
   scoped_refptr<StrictMock<MockDemuxerStream> > demuxer_stream_;
   // Use NiceMock since we don't care about most of calls on the decryptor, e.g.
-  // RegisterKeyAddedCB().
+  // RegisterNewKeyCB().
   scoped_ptr<NiceMock<MockDecryptor> > decryptor_;
   scoped_refptr<StrictMock<MockVideoDecoder> > decoder_1_;
   scoped_refptr<StrictMock<MockVideoDecoder> > decoder_2_;