Make core libraries use generic method syntax.

sdk/lib/io/secure_socket.dart

Index: sdk/lib/io/secure_socket.dart
diff --git a/sdk/lib/io/secure_socket.dart b/sdk/lib/io/secure_socket.dart
index a2d6d7855ec0018ca05f16e9c9936479fde8318b..a523f20d6991099d4182a094023dd84b6bb66fbc 100644
--- a/sdk/lib/io/secure_socket.dart
+++ b/sdk/lib/io/secure_socket.dart
@@ -75,7 +75,7 @@ abstract class SecureSocket implements Socket {
        SecurityContext context,
        bool onBadCertificate(X509Certificate certificate)}) {
     return ((socket as dynamic/*_Socket*/)._detachRaw() as Future)
-        .then/*<RawSecureSocket>*/((detachedRaw) {
+        .then<RawSecureSocket>((detachedRaw) {
           return RawSecureSocket.secure(
             detachedRaw[0] as RawSocket,
             subscription: detachedRaw[1] as StreamSubscription<RawSocketEvent>,
@@ -83,7 +83,7 @@ abstract class SecureSocket implements Socket {
             context: context,
             onBadCertificate: onBadCertificate);
           })
-        .then/*<SecureSocket>*/((raw) => new SecureSocket._(raw));
+        .then<SecureSocket>((raw) => new SecureSocket._(raw));
  }
 
   /**
@@ -115,7 +115,7 @@ abstract class SecureSocket implements Socket {
        bool requireClientCertificate: false,
        List<String> supportedProtocols}) {
     return ((socket as dynamic/*_Socket*/)._detachRaw() as Future)
-        .then/*<RawSecureSocket>*/((detachedRaw) {
+        .then<RawSecureSocket>((detachedRaw) {
           return RawSecureSocket.secureServer(
             detachedRaw[0] as RawSocket,
             context,
@@ -125,7 +125,7 @@ abstract class SecureSocket implements Socket {
             requireClientCertificate: requireClientCertificate,
             supportedProtocols: supportedProtocols);
           })
-        .then/*<SecureSocket>*/((raw) => new SecureSocket._(raw));
+        .then<SecureSocket>((raw) => new SecureSocket._(raw));
   }
 
   /**