Allow setContentDecryptionModule() to get called when setting is done.

media/base/decryptor.h

Index: media/base/decryptor.h
diff --git a/media/base/decryptor.h b/media/base/decryptor.h
index 2c2cf793639f05559b83e73e2cc8dece6780a770..7061363924dc4d3043340240498d5c14ece51dd3 100644
--- a/media/base/decryptor.h
+++ b/media/base/decryptor.h
@@ -161,8 +161,14 @@ class MEDIA_EXPORT Decryptor {
   DISALLOW_COPY_AND_ASSIGN(Decryptor);
 };
 
-// Callback to notify that a decryptor is ready.
-typedef base::Callback<void(Decryptor*)> DecryptorReadyCB;
+// Callback to notify that the decryptor has been completely inserted into the

[ddorwin, 2014/08/04 18:59:08]

re: "inserted": "attached" is used elsewhere. We should be consistent.

[jrummell, 2014/08/07 01:54:25]

Done.

+// pipeline. Parameter indicates if the operation succeeded of failed.

[ddorwin, 2014/08/04 18:59:08]

nit: more concise: ... whether the operation succeeded.

[jrummell, 2014/08/07 01:54:25]

Done.

+typedef base::Callback<void(bool)> DecryptorInsertedCB;
+
+// Callback to notify that a decryptor is ready. DecryptorInsertedCB is called
+// when the decryptor has been completely inserted into the pipeline.
+typedef base::Callback<void(Decryptor*, const DecryptorInsertedCB&)>
+    DecryptorReadyCB;
 
 // Callback to set/cancel a DecryptorReadyCB.
 // Calling this callback with a non-null callback registers decryptor ready