Handle the "key" field as opposed to keyIdentifier field.

third_party/WebKit/LayoutTests/http/tests/inspector/inspector-test.js

Index: third_party/WebKit/LayoutTests/http/tests/inspector/inspector-test.js
diff --git a/third_party/WebKit/LayoutTests/http/tests/inspector/inspector-test.js b/third_party/WebKit/LayoutTests/http/tests/inspector/inspector-test.js
index f584340db8e38ba925c10ae1eb53f82a10c8b2fc..f0dc4d7e5977c7ca6667f80f1a6eea81a1b85ded 100644
--- a/third_party/WebKit/LayoutTests/http/tests/inspector/inspector-test.js
+++ b/third_party/WebKit/LayoutTests/http/tests/inspector/inspector-test.js
@@ -521,11 +521,18 @@ InspectorTest.deprecatedRunAfterPendingDispatches = function(callback)
     barrier.callWhenDone(InspectorTest.safeWrap(callback));
 }
 
-InspectorTest.createKeyEvent = function(keyIdentifier, ctrlKey, altKey, shiftKey, metaKey)
-{
-    var evt = document.createEvent("KeyboardEvent");
-    evt.initKeyboardEvent("keydown", true /* can bubble */, true /* can cancel */, null /* view */, keyIdentifier, "", ctrlKey, altKey, shiftKey, metaKey);
-    return evt;
+InspectorTest.createKeyEvent = function(key, ctrlKey, altKey, shiftKey, metaKey)
+{
+    var keyIdentifier = key;
+    if (key === "Tab")
+        keyIdentifier = "U+0009";
+    else if (key == "Escape")
+        keyIdentifier = "U+001B";
+    else if (key == "ArrowUp")
+        keyIdentifier = "Up";
+    else if (key == "ArrowDown")
+        keyIdentifier = "Down";
+    return new KeyboardEvent("keydown", {key: key, keyIdentifier: keyIdentifier, bubbles: true, cancelable: true, ctrlKey: ctrlKey, altKey: altKey, shiftKey: shiftKey, metaKey: metaKey});
 }
 
 InspectorTest.runTestSuite = function(testSuite)