Forgot one file..

git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart/pkg/crypto@23740 260f80e4-7a28-3924-810f-c04153c831b5
diff --git a/lib/src/crypto_utils.dart b/lib/src/crypto_utils.dart
index 18bb09e..59838a5 100644
--- a/lib/src/crypto_utils.dart
+++ b/lib/src/crypto_utils.dart
@@ -104,8 +104,7 @@
     return new String.fromCharCodes(out);
   }
 
-  static List<int> base64StringToBytes(String input,
-                                       [bool ignoreInvalidCharacters = true]) {
+  static List<int> base64StringToBytes(String input) {
     int len = input.length;
     if (len == 0) {
       return new List<int>(0);
@@ -118,7 +117,7 @@
       int c = _decodeTable[input.codeUnitAt(i)];
       if (c < 0) {
         extrasLen++;
-        if(c == -2 && !ignoreInvalidCharacters) {
+        if(c == -2) {
           throw new FormatException('Invalid character: ${input[i]}');
         }
       }
@@ -129,7 +128,7 @@
           must be a multiple of 4. Input: $input''');
     }
 
-    // Count pad characters, ignore illegal characters at the end.
+    // Count pad characters.
     int padLength = 0;
     for (int i = len - 1; i >= 0; i--) {
       int currentCodeUnit = input.codeUnitAt(i);