Fixes for sunflower

lib/runtime/dart_runtime.js

 // Copyright (c) 2015, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 var dart, _js_helper, _js_primitives;
 (function (dart) {
   'use strict';
 
   // TODO(vsm): This is referenced (as init.globalState) from
   // isolate_helper.dart.  Where should it go?
@@ skipping 78 matching lines @@
         throwNoSuchMethod(obj, name, args);
       }
     }
     // If f is a function, but not a method (no method type)
     // then it should have been a function valued field, so
     // get the type from the function.
     if (ftype === void 0) {
       ftype = _getFunctionType(f);
     }
 
-    // TODO(leafp): Allow JS objects to go through?
-    if (!ftype) throw "Unable to find a type for applicand";
+    if (!ftype) {
+      // TODO(leafp): Allow JS objects to go through?
+      // This includes the DOM.
+      return f.apply(obj, args);
+    }
 
-    if (ftype.checkApply(args)) return f.apply(obj, args);
+    if (ftype.checkApply(args)) {
+      return f.apply(obj, args);
+    }
+
     // TODO(leafp): throw a type error (rather than NSM)
     // if the arity matches but the types are wrong.
     throwNoSuchMethod(obj, name, args, f);
   }
 
   function dcall(f/*, ...args*/) {
     let args = Array.prototype.slice.call(arguments, 1);
     let ftype = _getFunctionType(f);
     return checkAndCall(f, ftype, void 0, args, 'call');
   }
@@ skipping 1197 matching lines @@
   Number.prototype['>'] = function(arg) { return this.valueOf() > arg; };
   Number.prototype['+'] = function(arg) { return this.valueOf() + arg; };
 
   // TODO(vsm): DOM facades?
   // See: https://github.com/dart-lang/dev_compiler/issues/173
   NodeList.prototype.get = function(i) { return this[i]; };
   NamedNodeMap.prototype.get = function(i) { return this[i]; };
   DOMTokenList.prototype.get = function(i) { return this[i]; };
 
 })(dart || (dart = {}));