[UNSTABLE] Remove raf polyfill warnings. NEXT: BlurableInput warnings.

package.json

@@ -67,6 +67,7 @@
     "moxios": "^0.4.0",
     "node-sass": "^4.5.3",
     "optimize-css-assets-webpack-plugin": "^3.2.0",
+    "raf": "^3.4.0",
     "react": "16.2.0",
     "react-addons-css-transition-group": "^15.6.2",
     "react-addons-test-utils": "^15.6.2",
@@ -113,8 +114,7 @@
       "./webpack/__test_support__/setup_enzyme.js",
       "./webpack/__test_support__/localstorage.js",
       "./webpack/__test_support__/mock_fbtoaster.ts",
-      "./webpack/__test_support__/unmock_i18next.ts",
-      "./webpack/__test_support__/request_animation_frame.js"
+      "./webpack/__test_support__/unmock_i18next.ts"
     ],
     "transform": {
       ".(ts|tsx)": "<rootDir>/node_modules/ts-jest/preprocessor.js"

webpack/__test_support__/request_animation_frame.js

@@ -1,32 +0,0 @@
-// http://paulirish.com/2011/requestanimationframe-for-smart-animating/
-// http://my.opera.com/emoller/blog/2011/12/20/requestanimationframe-for-smart-er-animating
-
-// requestAnimationFrame polyfill by Erik Möller. fixes from Paul Irish and Tino Zijdel
-
-// MIT license
-
-(function () {
-  var lastTime = 0;
-  var vendors = ['ms', 'moz', 'webkit', 'o'];
-  for (var x = 0; x < vendors.length && !window.requestAnimationFrame; ++x) {
-    window.requestAnimationFrame =
-      window[vendors[x] + 'RequestAnimationFrame'];
-    window.cancelAnimationFrame = window[vendors[x] + 'CancelAnimationFrame']
-      || window[vendors[x] + 'CancelRequestAnimationFrame'];
-  }
-
-  if (!window.requestAnimationFrame)
-    window.requestAnimationFrame = function (callback, element) {
-      var currTime = new Date().getTime();
-      var timeToCall = Math.max(0, 16 - (currTime - lastTime));
-      var id = window.setTimeout(function () { callback(currTime + timeToCall); },
-        timeToCall);
-      lastTime = currTime + timeToCall;
-      return id;
-    };
-
-  if (!window.cancelAnimationFrame)
-    window.cancelAnimationFrame = function (id) {
-      clearTimeout(id);
-    };
-}());

webpack/__test_support__/setup_enzyme.js

@@ -1,3 +1,3 @@
-// enzyme-adapter-react-15 is not important enough to import @types for.
+require("raf/polyfill");
 var Adapter = require('enzyme-adapter-react-16');
 require('enzyme').configure({ adapter: new Adapter() });