Rewire DDC to use the analyzer task model

lib/runtime/dart/_js_primitives.js

 dart_library.library('dart/_js_primitives', null, /* Imports */[
   "dart_runtime/dart",
   'dart/core'
 ], /* Lazy imports */[
 ], function(exports, dart, core) {
   'use strict';
   let dartx = dart.dartx;
   function printString(string) {
-    if (typeof dartPrint == "function") {
+    if (dart.notNull(dart.as(typeof dartPrint == "function", core.bool))) {
       dartPrint(string);
       return;
     }
-    if (typeof console == "object" && typeof console.log != "undefined") {
+    if (dart.notNull(dart.as(typeof console == "object", core.bool)) && dart.notNull(dart.as(typeof console.log != "undefined", core.bool))) {
       console.log(string);
       return;
     }
-    if (typeof window == "object") {
+    if (dart.notNull(dart.as(typeof window == "object", core.bool))) {
       return;
     }
-    if (typeof print == "function") {
+    if (dart.notNull(dart.as(typeof print == "function", core.bool))) {
       print(string);
       return;
     }
     throw "Unable to print message: " + String(string);
   }
   dart.fn(printString, dart.void, [core.String]);
   // Exports:
   exports.printString = printString;
 });