Correct handling of cross-frame functions in ddc.

pkg/dev_compiler/lib/js/common/dart_sdk.js

Index: pkg/dev_compiler/lib/js/common/dart_sdk.js
diff --git a/pkg/dev_compiler/lib/js/common/dart_sdk.js b/pkg/dev_compiler/lib/js/common/dart_sdk.js
index 5a032f355b54c07e02ae421c5badafde6770a44f..f2826b9dcea2f59677770b44a71e6a11b8191c72 100644
--- a/pkg/dev_compiler/lib/js/common/dart_sdk.js
+++ b/pkg/dev_compiler/lib/js/common/dart_sdk.js
@@ -34096,6 +34096,17 @@
       return result;
     }
   };
+  core.Function.is = function is_Function(o) {
+    return typeof o == "function";
+  };
+  core.Function.as = function as_Function(o) {
+    if (typeof o == "function" || o == null) return o;
+    return dart.as(o, core.Function);
+  };
+  core.Function._check = function check_String(o) {
+    if (typeof o == "function" || o == null) return o;
+    return dart.check(o, core.Function);
+  };
   dart.setSignature(core.Function, {
     statics: () => ({
       apply: dart.definiteFunctionType(dart.dynamic, [core.Function, core.List], [MapOfSymbol$dynamic()]),
@@ -52686,7 +52697,7 @@
       }
       if (args != null) args = core.List.from(args[dartx.map](dart.dynamic)(js._convertToJS));
       let fn = this[_jsObject][method];
-      if (!(fn instanceof Function)) {
+      if (typeof fn !== "function") {
         dart.throw(new core.NoSuchMethodError(this[_jsObject], core.Symbol.new(core.String._check(method)), args, dart.map({}, core.Symbol, dart.dynamic)));
       }
       return js._convertToDart(fn.apply(this[_jsObject], args));
@@ -52888,7 +52899,7 @@
   });
   js.JsArray = JsArray();
   js._isBrowserType = function(o) {
-    return o instanceof Blob || o instanceof Event || window.KeyRange && o instanceof KeyRange || o instanceof ImageData || o instanceof Node || window.TypedData && o instanceof TypedData || o instanceof Window;
+    return o instanceof Blob || o instanceof Event || window.KeyRange && o instanceof KeyRange || window.IDBKeyRange && o instanceof IDBKeyRange || o instanceof ImageData || o instanceof Node || window.Int8Array && o instanceof Int8Array.__proto__ || o instanceof Window;
   };
   dart.fn(js._isBrowserType, dynamicTobool$());
   const _dartObj = Symbol('_dartObj');
@@ -52933,11 +52944,15 @@
     } else if (js._DartObject.is(o) && dart.jsobject != dart.getReifiedType(o)) {
       return o[_dartObj];
     } else {
-      return js._putIfAbsent(js._dartProxies, o, js._wrapToDart);
+      return js._wrapToDart(o);
     }
   };
   dart.fn(js._convertToDart, dynamicToObject());
   js._wrapToDart = function(o) {
+    return js.JsObject._check(js._putIfAbsent(js._dartProxies, o, js._wrapToDartHelper));
+  };
+  dart.fn(js._wrapToDart, dynamicToJsObject());
+  js._wrapToDartHelper = function(o) {
     if (typeof o == "function") {
       return new js.JsFunction._fromJs(o);
     }
@@ -52946,7 +52961,7 @@
     }
     return new js.JsObject._fromJs(o);
   };
-  dart.fn(js._wrapToDart, dynamicToJsObject());
+  dart.fn(js._wrapToDartHelper, dynamicToJsObject());
   dart.defineLazy(js, {
     get _dartProxies() {
       return new WeakMap();
@@ -59491,10 +59506,10 @@
       return html$.Blob._check(html$.Blob._create_2(blobParts, bag));
     }
     static _create_1(parts) {
-      return new Blob(parts);
+      return new window.Blob(parts);
     }
     static _create_2(parts, bag) {
-      return new Blob(parts, bag);
+      return new window.Blob(parts, bag);
     }
     static _create_bag() {
       return {};