[third_party] add polymer 1.2.3

polymer_1.2.3/bower_components/iron-menu-behavior/test/iron-menu-behavior.html

Index: polymer_1.2.3/bower_components/iron-menu-behavior/test/iron-menu-behavior.html
diff --git a/polymer_1.0.4/bower_components/iron-menu-behavior/test/iron-menu-behavior.html b/polymer_1.2.3/bower_components/iron-menu-behavior/test/iron-menu-behavior.html
similarity index 71%
copy from polymer_1.0.4/bower_components/iron-menu-behavior/test/iron-menu-behavior.html
copy to polymer_1.2.3/bower_components/iron-menu-behavior/test/iron-menu-behavior.html
index 309dbb163a28c9cc31368c3b2929477e0fcf483a..92ffc44fe709c074d7a0d952b51510d554c1f1ae 100644
--- a/polymer_1.0.4/bower_components/iron-menu-behavior/test/iron-menu-behavior.html
+++ b/polymer_1.2.3/bower_components/iron-menu-behavior/test/iron-menu-behavior.html
@@ -17,12 +17,10 @@ subject to an additional IP rights grant found at http://polymer.github.io/PATEN
     <meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1">
     <meta name="viewport" content="width=device-width, minimum-scale=1.0, initial-scale=1, user-scalable=yes">
 
-    <script src="../../webcomponentsjs/webcomponents-lite.js"></script>
 
+    <script src="../../webcomponentsjs/webcomponents-lite.js"></script>
     <script src="../../web-component-tester/browser.js"></script>
-    <script src="../../test-fixture/test-fixture-mocha.js"></script>
-
-    <link rel="import" href="../../test-fixture/test-fixture.html">
+    <script src="../../iron-test-helpers/mock-interactions.js"></script>
     <link rel="import" href="test-menu.html">
 
   </head>
@@ -48,6 +46,19 @@ subject to an additional IP rights grant found at http://polymer.github.io/PATEN
       </template>
     </test-fixture>
 
+
+   <test-fixture id="nested">
+      <template>
+        <test-menu>
+          <test-menu>
+            <div>item 1</div>
+            <div>item 2</div>
+            <div>item 3</div>
+          </test-menu>
+        </test-menu>
+      </template>
+    </test-fixture>
+
     <script>
 
       suite('menu a11y tests', function() {
@@ -100,6 +111,36 @@ subject to an additional IP rights grant found at http://polymer.github.io/PATEN
           }, 200);
         });
 
+        test('keyboard events should not bubble', function(done) {
+          var menu = fixture('nested');
+          var keyCounter = 0;
+
+          menu.addEventListener('keydown', function(event) {
+            if (menu.keyboardEventMatchesKeys(event, 'esc')) {
+              keyCounter++;
+            }
+            if (menu.keyboardEventMatchesKeys(event, 'up')) {
+              keyCounter++;
+            }
+            if (menu.keyboardEventMatchesKeys(event, 'down')) {
+              keyCounter++;
+            }
+          });
+
+          // up
+          MockInteractions.keyDownOn(menu.firstElementChild, 38);
+          // down
+          MockInteractions.keyDownOn(menu.firstElementChild, 40);
+          // esc
+          MockInteractions.keyDownOn(menu.firstElementChild, 27);
+
+          setTimeout(function() {
+            assert.equal(menu.firstElementChild.tagName, 'TEST-MENU');
+            assert.equal(keyCounter, 0);
+            done();
+          }, 200);
+        });
+
       });
 
     </script>