A bunch of fixes in idl database generator.

client/dom/generated/src/wrapping/_NavigatorWrappingImplementation.dart

Index: client/dom/generated/src/wrapping/_NavigatorWrappingImplementation.dart
diff --git a/client/dom/generated/src/wrapping/_NavigatorWrappingImplementation.dart b/client/dom/generated/src/wrapping/_NavigatorWrappingImplementation.dart
index bfd30b0ef85cd06923d92a56ad45227bdb919308..11732ef0bf709154257dd7841572217633bc8785 100644
--- a/client/dom/generated/src/wrapping/_NavigatorWrappingImplementation.dart
+++ b/client/dom/generated/src/wrapping/_NavigatorWrappingImplementation.dart
@@ -73,5 +73,17 @@ class _NavigatorWrappingImplementation extends DOMWrapperBase implements Navigat
   }
   static void _registerProtocolHandler(receiver, scheme, url, title) native;
 
+  void webkitGetUserMedia(String options, NavigatorUserMediaSuccessCallback successCallback, [NavigatorUserMediaErrorCallback errorCallback = null]) {
+    if (errorCallback === null) {
+      _webkitGetUserMedia(this, options, successCallback);
+      return;
+    } else {
+      _webkitGetUserMedia_2(this, options, successCallback, errorCallback);
+      return;
+    }
+  }
+  static void _webkitGetUserMedia(receiver, options, successCallback) native;
+  static void _webkitGetUserMedia_2(receiver, options, successCallback, errorCallback) native;
+
   String get typeName() { return "Navigator"; }
 }