refactor(test_lib): remove IS_NODEJS

Closes #1015

modules/angular2/test/core/compiler/shadow_dom/shadow_css_spec.js

@@ -1,4 +1,4 @@
-import {describe, beforeEach, it, expect, ddescribe, iit, SpyObject, el, IS_NODEJS} from 'angular2/test_lib';
+import {describe, beforeEach, it, expect, ddescribe, iit, SpyObject, el} from 'angular2/test_lib';
 import {ShadowCss} from 'angular2/src/core/compiler/shadow_dom_emulation/shadow_css';
 
 import {RegExpWrapper, StringWrapper} from 'angular2/src/facade/lang';
@@ -91,16 +91,13 @@ export function main() {
       expect(StringWrapper.contains(css, '#menu > .bar {;background: blue;}')).toBeTruthy();
     });
 
-    if (!IS_NODEJS) {
-      //TODO: reactivate once CSS parser is fixed: https://github.com/reworkcss/css/issues/65
-      it('should support polyfill-rule', () => {
-        var css = s("polyfill-rule {content: ':host.foo .bar';background: blue;}", 'a', 'a-host');
-        expect(css).toEqual('[a-host].foo .bar {background: blue;}');
+    it('should support polyfill-rule', () => {
+      var css = s("polyfill-rule {content: ':host.foo .bar';background: blue;}", 'a', 'a-host');
+      expect(css).toEqual('[a-host].foo .bar {background: blue;}');
 
-        css = s('polyfill-rule {content: ":host.foo .bar";background: blue;}', 'a', 'a-host');
-        expect(css).toEqual('[a-host].foo .bar {background: blue;}');
-      });
-    }
+      css = s('polyfill-rule {content: ":host.foo .bar";background: blue;}', 'a', 'a-host');
+      expect(css).toEqual('[a-host].foo .bar {background: blue;}');
+    });
 
     it('should handle ::shadow', () => {
       var css = s('x::shadow > y {}', 'a');

modules/angular2/test/core/compiler/shadow_dom/shadow_dom_emulation_integration_spec.js

@@ -7,7 +7,6 @@ import {
   expect,
   iit,
   inject,
-  IS_NODEJS,
   it,
   xit,
 } from 'angular2/test_lib';
@@ -54,7 +53,7 @@ export function main() {
       "scoped" : new EmulatedScopedShadowDomStrategy(styleInliner, styleUrlResolver, DOM.createElement('div')),
       "unscoped" : new EmulatedUnscopedShadowDomStrategy(styleUrlResolver, DOM.createElement('div'))
     }
-    if (!IS_NODEJS) {
+    if (DOM.supportsNativeShadowDOM()) {
       StringMapWrapper.set(strategies, "native", new NativeShadowDomStrategy(styleUrlResolver));
     }
 

modules/angular2/test/core/compiler/view_spec.js

@@ -1,4 +1,4 @@
-import {describe, xit, it, expect, beforeEach, ddescribe, iit, el, proxy, IS_NODEJS} from 'angular2/test_lib';
+import {describe, xit, it, expect, beforeEach, ddescribe, iit, el, proxy} from 'angular2/test_lib';
 import {ProtoView, ElementPropertyMemento, DirectivePropertyMemento} from 'angular2/src/core/compiler/view';
 import {ProtoElementInjector, ElementInjector, DirectiveBinding} from 'angular2/src/core/compiler/element_injector';
 import {EmulatedScopedShadowDomStrategy, NativeShadowDomStrategy} from 'angular2/src/core/compiler/shadow_dom_strategy';
@@ -444,7 +444,7 @@ export function main() {
         });
       });
 
-      if (!IS_NODEJS) {
+      if (DOM.supportsDOMEvents()) {
         describe('event handlers', () => {
           var view, ctx, called, receivedEvent, dispatchedEvent;