Generate static calls for Object fields and methods

lib/runtime/dart/_interceptors.js

 var _interceptors;
 (function(exports) {
   'use strict';
   let JSArray = Array;
   let JSMutableArray$ = dart.generic(function(E) {
     class JSMutableArray extends JSArray$(E) {}
     JSMutableArray[dart.implements] = () => [JSMutableIndexable];
     return JSMutableArray;
   });
   let JSMutableArray = JSMutableArray$();
@@ skipping 722 matching lines @@
         s = s['+'](s);
       }
       return result;
     }
     padLeft(width, padding) {
       if (padding === void 0)
         padding = ' ';
       let delta = dart.notNull(width) - dart.notNull(this.length);
       if (dart.notNull(delta) <= 0)
         return this;
-      return core.String['*'](padding, delta) + dart.notNull(this);
+      return core.String['*'](padding, delta) + this;
     }
     padRight(width, padding) {
       if (padding === void 0)
         padding = ' ';
       let delta = dart.notNull(width) - dart.notNull(this.length);
       if (dart.notNull(delta) <= 0)
         return this;
       return this['+'](core.String['*'](padding, delta));
     }
     get codeUnits() {
@@ skipping 329 matching lines @@
   exports.findInterceptorForType = findInterceptorForType;
   exports.JSBool = JSBool;
   exports.JSNull = JSNull;
   exports.JSIndexable = JSIndexable;
   exports.JSMutableIndexable = JSMutableIndexable;
   exports.JSObject = JSObject;
   exports.JavaScriptObject = JavaScriptObject;
   exports.PlainJavaScriptObject = PlainJavaScriptObject;
   exports.UnknownJavaScriptObject = UnknownJavaScriptObject;
 })(_interceptors || (_interceptors = {}));