Remove non-standardize key code names from event_sender.

third_party/WebKit/LayoutTests/editing/input/resources/password-echo.js

 var testnode;
 
 function secureChar()
 {
     var element = testnode;
     var securechar = document.defaultView.getComputedStyle(element, "").getPropertyValue("-webkit-text-security");
     switch(securechar) {
     case "square":
         return String.fromCharCode(0x25A0);
     case "disc":
@@ skipping 24 matching lines @@
     if (expected != actual)
         log("Error: " + msg + " expected=" + expected + ", actual=" + actual);
     else
         log("Success: " + msg + " expected=" + expected + ", actual=" + actual);
 }
 
 function run(tests, testIdx)
 {
     var expectedSecureTextLen;
     if (testIdx >= 0) {
-        eventSender.keyDown("rightArrow");
+        eventSender.keyDown("ArrowRight");
         if(tests[testIdx][3])
             assert(tests[testIdx][2], window.find(secureText(testnode.value.length), false, true), "secured after delay.");
     }
     testIdx++;
     if (testIdx >= tests.length) {
         testRunner.notifyDone();
         return;
     }
 
     testnode.focus();
-    eventSender.keyDown("rightArrow");
+    eventSender.keyDown("ArrowRight");
 
     var charSequence = tests[testIdx][0];
     for (var i = 0; i < charSequence.length - 1; i++) {
         textInputController.setMarkedText(charSequence[i], testnode.value.length, testnode.value.length);
     }
     if (charSequence[charSequence.length - 1] == "backspace") {
-        eventSender.keyDown("leftArrow");
-        eventSender.keyDown("delete");
+        eventSender.keyDown("ArrowLeft");
+        eventSender.keyDown("Delete");
     } else
         textInputController.insertText(charSequence[charSequence.length - 1]);
 
     if(tests[testIdx][3])
         assert(tests[testIdx][1], window.find(secureText(testnode.value.length), false, true), "secured right after.");
 
     if(tests[testIdx][3])
         window.setTimeout(function(){ run(tests, testIdx); }, 600);
     else
         window.setTimeout(function(){ run(tests, testIdx); }, 0);
@@ skipping 11 matching lines @@
         testRunner.waitUntilDone();
         if (window.internals) {
             window.internals.settings.setPasswordEchoEnabled(true);
             window.internals.settings.setPasswordEchoDurationInSeconds(0.1);
             testnode = document.getElementById('testnode');
             run(tests, -1);
         }
     }
 }