Patches to support Dart VM patch files in dart2js.

runtime/lib/errors_patch.dart

Index: runtime/lib/errors_patch.dart
diff --git a/runtime/lib/errors_patch.dart b/runtime/lib/errors_patch.dart
index 29c14f5c595012a5806b91e9bfc7d46cd711ca88..b60a367f19189215f1ea09d5a8e88596066cc099 100644
--- a/runtime/lib/errors_patch.dart
+++ b/runtime/lib/errors_patch.dart
@@ -186,10 +186,10 @@ patch class NoSuchMethodError {
   // that no information is available.
   final int _invocation_type;
 
-  NoSuchMethodError(Object this._receiver,
-                    Symbol this._memberName,
-                    List this._arguments,
-                    Map<Symbol, dynamic> this._namedArguments,
+  NoSuchMethodError(this._receiver,
+                    this._memberName,
+                    this._arguments,
+                    this._namedArguments,
                     [List existingArgumentNames = null])
       : this._existingArgumentNames = existingArgumentNames,
         this._invocation_type = -1;
@@ -198,12 +198,13 @@ patch class NoSuchMethodError {
   // values read from another NoSuchMethodError.
   NoSuchMethodError._withType(Object this._receiver,
                               /*String|Symbol*/ memberName,
-                              this._invocation_type,
+                              int invocation_type,
                               List this._arguments,
                               Map<dynamic, dynamic> namedArguments,
                               [List existingArgumentNames = null])
       : this._memberName =
             (memberName is String) ? new Symbol(memberName) : memberName,
+        this._invocation_type = invocation_type,
         this._namedArguments =
             (namedArguments == null)
                 ? null