718487.patch

commit 0190ffdc136de2d435025e3ca909ed36c0a943fd
Author: cancheta93 <c-ancheta@live.com>
Date:   Thu Feb 25 17:35:42 2016 -0500

    Bug 718487 - Added condition checking if aKey already has 'VK' prefix. Also added a new test to ensure implementation passes.

diff --git a/testing/mochitest/tests/Harness_sanity/test_sanityEventUtils.html b/testing/mochitest/tests/Harness_sanity/test_sanityEventUtils.html
index 07efaaf..8286837 100644
--- a/testing/mochitest/tests/Harness_sanity/test_sanityEventUtils.html
+++ b/testing/mochitest/tests/Harness_sanity/test_sanityEventUtils.html
@@ -60,6 +60,11 @@ function starttest() {
       $("testKeyEvent").focus();
       sendKey("DOWN");
       is(check, true, "sendKey should dispatch keyPress");
+
+      check = false;
+      $("testKeyEvent").focus();
+      sendKey("VK_DOWN");
+      is(check, true, "sendKey should dispatch keyPress");
     
       /* test synthesizeMouse* */
       //focus trick enables us to run this in iframes
diff --git a/testing/mochitest/tests/SimpleTest/EventUtils.js b/testing/mochitest/tests/SimpleTest/EventUtils.js
index 06f115c..c9ee014 100644
--- a/testing/mochitest/tests/SimpleTest/EventUtils.js
+++ b/testing/mochitest/tests/SimpleTest/EventUtils.js
@@ -211,7 +211,10 @@ function sendString(aStr, aWindow) {
  * No modifiers are handled at this point.
  */
 function sendKey(aKey, aWindow) {
-  var keyName = "VK_" + aKey.toUpperCase();
+  var keyName = aKey;
+  if(!aKey.startsWith("VK_")){
+    keyName = "VK_" + aKey.toUpperCase();
+  } 
   synthesizeKey(keyName, { shiftKey: false }, aWindow);
 }