Renamed StreamSink to EventSink. Renamed signalError to addError.

sdk/lib/crypto/crypto_base.dart

Index: sdk/lib/crypto/crypto_base.dart
diff --git a/sdk/lib/crypto/crypto_base.dart b/sdk/lib/crypto/crypto_base.dart
index 4231718d4948e5bf259a6f5e6118342051a163aa..d1666b51ed9a7bafb0a5537301fb92a67b2577d5 100644
--- a/sdk/lib/crypto/crypto_base.dart
+++ b/sdk/lib/crypto/crypto_base.dart
@@ -17,7 +17,7 @@ part of dart.crypto;
  * If multiple instances of a given Hash is needed the [newInstance]
  * method can provide a new instance.
  */
-// TODO(floitsch): make Hash implement Sink, StreamSink or similar.
+// TODO(floitsch): make Hash implement Sink, EventSink or similar.
 abstract class Hash {
   /**
    * Add a list of bytes to the hash computation.
@@ -74,7 +74,7 @@ abstract class MD5 implements Hash {
  * The [add] method is used to add data to the message. The [digest] and
  * [close] methods are used to extract the message authentication code.
  */
-// TODO(floitsch): make Hash implement Sink, StreamSink or similar.
+// TODO(floitsch): make Hash implement Sink, EventSink or similar.
 abstract class HMAC {
   /**
    * Create an [HMAC] object from a [Hash] and a key.