Revert of Add Stop() to AudioDecoder.

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 7910ef1b4e3069c77d2a1625f14962224b37de4c..2f07e231c03b2c98a16217297e59cd1c6c4f8922 100644
--- a/media/filters/decrypting_audio_decoder_unittest.cc
+++ b/media/filters/decrypting_audio_decoder_unittest.cc
@@ -84,10 +84,6 @@
         decoded_frame_list_() {
   }
 
-  virtual ~DecryptingAudioDecoderTest() {
-    Stop();
-  }
-
   void InitializeAndExpectStatus(const AudioDecoderConfig& config,
                                  PipelineStatus status) {
     // Initialize data now that the config is known. Since the code uses
@@ -212,34 +208,12 @@
     }
   }
 
-  void AbortAllPendingCBs() {
-    if (!pending_init_cb_.is_null()) {
-      ASSERT_TRUE(pending_audio_decode_cb_.is_null());
-      base::ResetAndReturn(&pending_init_cb_).Run(false);
-      return;
-    }
-
-    AbortPendingAudioDecodeCB();
-  }
-
   void Reset() {
     EXPECT_CALL(*decryptor_, ResetDecoder(Decryptor::kAudio))
         .WillRepeatedly(InvokeWithoutArgs(
             this, &DecryptingAudioDecoderTest::AbortPendingAudioDecodeCB));
 
     decoder_->Reset(NewExpectedClosure());
-    message_loop_.RunUntilIdle();
-  }
-
-  void Stop() {
-    EXPECT_CALL(*decryptor_, RegisterNewKeyCB(Decryptor::kAudio,
-                                              IsNullCallback()))
-        .Times(AtMost(1));
-    EXPECT_CALL(*decryptor_, DeinitializeDecoder(Decryptor::kAudio))
-        .WillRepeatedly(InvokeWithoutArgs(
-            this, &DecryptingAudioDecoderTest::AbortAllPendingCBs));
-
-    decoder_->Stop(NewExpectedClosure());
     message_loop_.RunUntilIdle();
   }