Call Decryptor::Stop() in FFmpegVideoDecoder::Reset().

media/base/decryptor.h

Index: media/base/decryptor.h
diff --git a/media/base/decryptor.h b/media/base/decryptor.h
index f014406d50155519d8725bc0887d168bc0087197..a222ccd7ee42f3967549293ed73ae6138d911add 100644
--- a/media/base/decryptor.h
+++ b/media/base/decryptor.h
@@ -81,9 +81,9 @@ class MEDIA_EXPORT Decryptor {
   virtual void Decrypt(const scoped_refptr<DecoderBuffer>& encrypted,
                        const DecryptCB& decrypt_cb) = 0;
 
-  // Stops the decryptor and fires any pending DecryptCB immediately with kError
-  // and NULL buffer.
-  virtual void Stop() = 0;
+  // Cancel scheduled decryption operations and fires any pending DecryptCB
+  // immediately with kError and NULL buffer.
+  virtual void CancelDecrypt() = 0;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(Decryptor);