media: Prefer decrypting pipeline when CDM is attached

media/filters/decrypting_audio_decoder_unittest.cc

Index: media/filters/decrypting_audio_decoder_unittest.cc
diff --git a/media/filters/decrypting_audio_decoder_unittest.cc b/media/filters/decrypting_audio_decoder_unittest.cc
index 830a5a1147901768b40c4f2a6905b715898c00d2..94d388bbf90c21759a8368f06864596efc2a01fd 100644
--- a/media/filters/decrypting_audio_decoder_unittest.cc
+++ b/media/filters/decrypting_audio_decoder_unittest.cc
@@ -133,7 +133,8 @@ class DecryptingAudioDecoderTest : public testing::Test {
         .WillOnce(RunCallback<1>(true));
     EXPECT_CALL(*decryptor_, RegisterNewKeyCB(Decryptor::kAudio, _))
               .WillOnce(SaveArg<1>(&key_added_cb_));
-    decoder_->Initialize(new_config, nullptr, NewExpectedBoolCB(true),
+    decoder_->Initialize(new_config, cdm_context_.get(),
+                         NewExpectedBoolCB(true),
                          base::Bind(&DecryptingAudioDecoderTest::FrameReady,
                                     base::Unretained(this)));
   }