media: Replace DecryptorReadyCB with CdmReadyCB.

media/base/decryptor.h

Index: media/base/decryptor.h
diff --git a/media/base/decryptor.h b/media/base/decryptor.h
index 47b4645efd9ba328655c3af7c321243ecbf94c15..f0d8be8d687909ba553ef026d45e2a56d9106b7d 100644
--- a/media/base/decryptor.h
+++ b/media/base/decryptor.h
@@ -163,24 +163,6 @@ class MEDIA_EXPORT Decryptor {
   DISALLOW_COPY_AND_ASSIGN(Decryptor);
 };
 
-// Callback to notify that the decryptor has been completely attached into the
-// pipeline. Parameter indicates whether the operation succeeded.
-typedef base::Callback<void(bool)> DecryptorAttachedCB;
-
-// Callback to notify that a decryptor is ready. DecryptorAttachedCB is called
-// when the decryptor has been completely inserted into the pipeline.
-typedef base::Callback<void(Decryptor*, const DecryptorAttachedCB&)>
-    DecryptorReadyCB;
-
-// Callback to set/cancel a DecryptorReadyCB.
-// Calling this callback with a non-null callback registers decryptor ready
-// notification. When the decryptor is ready, notification will be sent
-// through the provided callback.
-// Calling this callback with a null callback cancels previously registered
-// decryptor ready notification. Any previously provided callback will be
-// fired immediately with NULL.
-typedef base::Callback<void(const DecryptorReadyCB&)> SetDecryptorReadyCB;
-
 }  // namespace media
 
 #endif  // MEDIA_BASE_DECRYPTOR_H_