Remove references to RedirectLimitExceededException.

sdk/lib/io/http.dart

Index: sdk/lib/io/http.dart
diff --git a/sdk/lib/io/http.dart b/sdk/lib/io/http.dart
index a46d103e9f61d8b0bafedbc350db5d48c1c6b1a6..b045c11f1fff6e808680c25d0bda6a1b7c6160ff 100644
--- a/sdk/lib/io/http.dart
+++ b/sdk/lib/io/http.dart
@@ -1194,8 +1194,9 @@ abstract class HttpClientRequest implements IOSink {
   /**
    * Set this property to the maximum number of redirects to follow
    * when [followRedirects] is [:true:]. If this number is exceeded the
-   * [onError] callback will be called with a [RedirectLimitExceeded]
-   * exception. The default value is 5.
+   * [onError] callback will be called with a [RedirectException].
+   *
+   * The default value is 5.
    */
   int maxRedirects;