fix(test): AngularProfiler should check before using modern APIs

modules/angular2/src/core/dom/browser_adapter.dart

@@ -474,6 +474,10 @@ class BrowserDomAdapter extends GenericBrowserDomAdapter {
   cancelAnimationFrame(id) {
     window.cancelAnimationFrame(id);
   }
+
+  num performanceNow() {
+    return window.performance.now();
+  }
 }
 
 var baseElement = null;

modules/angular2/src/core/dom/browser_adapter.ts

@@ -1,5 +1,11 @@
 import {MapWrapper, ListWrapper} from 'angular2/src/core/facade/collection';
-import {isBlank, isPresent, global, setValueOnPath} from 'angular2/src/core/facade/lang';
+import {
+  isBlank,
+  isPresent,
+  global,
+  setValueOnPath,
+  DateWrapper
+} from 'angular2/src/core/facade/lang';
 import {setRootDomAdapter} from './dom_adapter';
 import {GenericBrowserDomAdapter} from './generic_browser_adapter';
 
@@ -322,6 +328,15 @@ export class BrowserDomAdapter extends GenericBrowserDomAdapter {
   setGlobalVar(path: string, value: any) { setValueOnPath(global, path, value); }
   requestAnimationFrame(callback): number { return window.requestAnimationFrame(callback); }
   cancelAnimationFrame(id: number) { window.cancelAnimationFrame(id); }
+  performanceNow(): number {
+    // performance.now() is not available in all browsers, see
+    // http://caniuse.com/#search=performance.now
+    if (isPresent(window.performance) && isPresent(window.performance.now)) {
+      return window.performance.now();
+    } else {
+      return DateWrapper.toMillis(DateWrapper.now());
+    }
+  }
 }
 
 

modules/angular2/src/core/dom/dom_adapter.ts

@@ -138,4 +138,5 @@ export class DomAdapter {
   setGlobalVar(name: string, value: any) { throw _abstract(); }
   requestAnimationFrame(callback): number { throw _abstract(); }
   cancelAnimationFrame(id) { throw _abstract(); }
+  performanceNow(): number { throw _abstract(); }
 }

modules/angular2/src/core/dom/html_adapter.dart

@@ -431,4 +431,8 @@ class Html5LibDomAdapter implements DomAdapter {
   cancelAnimationFrame(id) {
     throw 'not implemented';
   }
+
+  performanceNow() {
+    throw 'not implemented';
+  }
 }

modules/angular2/src/core/dom/parse5_adapter.ts

@@ -9,7 +9,13 @@ var url = require('url');
 
 import {MapWrapper, ListWrapper, StringMapWrapper} from 'angular2/src/core/facade/collection';
 import {DomAdapter, setRootDomAdapter} from './dom_adapter';
-import {isPresent, isBlank, global, setValueOnPath} from 'angular2/src/core/facade/lang';
+import {
+  isPresent,
+  isBlank,
+  global,
+  setValueOnPath,
+  DateWrapper
+} from 'angular2/src/core/facade/lang';
 import {BaseException, WrappedException} from 'angular2/src/core/facade/exceptions';
 import {SelectorMatcher, CssSelector} from 'angular2/src/core/render/dom/compiler/selector';
 
@@ -545,6 +551,7 @@ export class Parse5DomAdapter extends DomAdapter {
   setGlobalVar(path: string, value: any) { setValueOnPath(global, path, value); }
   requestAnimationFrame(callback): number { return setTimeout(callback, 0); }
   cancelAnimationFrame(id: number) { clearTimeout(id); }
+  performanceNow(): number { return DateWrapper.toMillis(DateWrapper.now()); }
 }
 
 // TODO: build a proper list, this one is all the keys of a HTMLInputElement

modules/angular2/src/tools/common_tools.ts

@@ -1,6 +1,7 @@
 import {ApplicationRef, LifeCycle} from 'angular2/angular2';
 import {isPresent, NumberWrapper} from 'angular2/src/core/facade/lang';
 import {performance, window} from 'angular2/src/core/facade/browser';
+import {DOM} from 'angular2/src/core/dom/dom_adapter';
 
 /**
  * Entry point for all Angular debug tools. This object corresponds to the `ng`
@@ -40,17 +41,19 @@ export class AngularProfiler {
   timeChangeDetection(config: any) {
     var record = isPresent(config) && config['record'];
     var profileName = 'Change Detection';
-    if (record) {
+    // Profiler is not available in Android browsers, nor in IE 9 without dev tools opened
+    var isProfilerAvailable = isPresent(window.console.profile);
+    if (record && isProfilerAvailable) {
       window.console.profile(profileName);
     }
-    var start = window.performance.now();
+    var start = DOM.performanceNow();
     var numTicks = 0;
-    while (numTicks < 5 || (window.performance.now() - start) < 500) {
+    while (numTicks < 5 || (DOM.performanceNow() - start) < 500) {
       this.lifeCycle.tick();
       numTicks++;
     }
-    var end = window.performance.now();
+    var end = DOM.performanceNow();
-    if (record) {
+    if (record && isProfilerAvailable) {
       // need to cast to <any> because type checker thinks there's no argument
       // while in fact there is:
       //