WebUI: Update Polymer iron-menu-behavior to 2.x.

Bug: 738611
Cq-Include-Trybots: master.tryserver.chromium.linux:closure_compilation
Change-Id: I11b27ea0e279709382adc4e685cda2bc52c9eb79
Reviewed-on: https://chromium-review.googlesource.com/923413Reviewed-by: Hector Carmona <hcarmona@chromium.org>
Commit-Queue: Demetrios Papadopoulos <dpapad@chromium.org>
Cr-Commit-Position: refs/heads/master@{#537507}

third_party/polymer/v1_0/bower.json

@@ -21,7 +21,7 @@
     "iron-list": "PolymerElements/iron-list#1.4.6",
     "iron-location": "PolymerElements/iron-location#2.0.3",
     "iron-media-query": "PolymerElements/iron-media-query#2.0.0",
-    "iron-menu-behavior": "PolymerElements/iron-menu-behavior#1.3.0",
+    "iron-menu-behavior": "PolymerElements/iron-menu-behavior#2.0.1",
     "iron-meta": "PolymerElements/iron-meta#1.1.2",
     "iron-overlay-behavior": "PolymerElements/iron-overlay-behavior#2.3.2",
     "iron-pages": "PolymerElements/iron-pages#1.0.8",

third_party/polymer/v1_0/components-chromium/iron-menu-behavior/bower.json

 {
   "name": "iron-menu-behavior",
-  "version": "1.3.0",
+  "version": "2.0.1",
   "description": "Provides accessible menu behavior",
   "authors": "The Polymer Authors",
   "keywords": [
@@ -22,16 +22,39 @@
   "homepage": "https://github.com/PolymerElements/iron-menu-behavior",
   "ignore": [],
   "dependencies": {
-    "iron-selector": "PolymerElements/iron-selector#^1.0.0",
-    "polymer": "Polymer/polymer#^1.2.4",
-    "iron-a11y-keys-behavior": "polymerelements/iron-a11y-keys-behavior#^1.0.0"
+    "iron-selector": "PolymerElements/iron-selector#1 - 2",
+    "polymer": "Polymer/polymer#1.9 - 2",
+    "iron-a11y-keys-behavior": "PolymerElements/iron-a11y-keys-behavior#1 - 2",
+    "iron-flex-layout": "PolymerElements/iron-flex-layout#1 - 2"
   },
   "devDependencies": {
-    "paper-styles": "polymerelements/paper-styles#^1.0.2",
-    "iron-component-page": "PolymerElements/iron-component-page#^1.0.0",
-    "iron-test-helpers": "polymerelements/iron-test-helpers#^1.0.0",
-    "test-fixture": "PolymerElements/test-fixture#^1.0.0",
-    "web-component-tester": "^4.0.0",
-    "webcomponentsjs": "webcomponents/webcomponentsjs#^0.7.0"
+    "paper-styles": "PolymerElements/paper-styles#1 - 2",
+    "iron-component-page": "PolymerElements/iron-component-page#1 - 2",
+    "iron-test-helpers": "PolymerElements/iron-test-helpers#1 - 2",
+    "web-component-tester": "^6.0.0",
+    "webcomponentsjs": "webcomponents/webcomponentsjs#^1.0.0"
+  },
+  "variants": {
+    "1.x": {
+      "dependencies": {
+        "iron-selector": "PolymerElements/iron-selector#^1.0.0",
+        "polymer": "Polymer/polymer#^1.9",
+        "iron-a11y-keys-behavior": "PolymerElements/iron-a11y-keys-behavior#^1.0.0",
+        "iron-flex-layout": "PolymerElements/iron-flex-layout#^1.0.0"
+      },
+      "devDependencies": {
+        "paper-styles": "PolymerElements/paper-styles#^1.0.0",
+        "iron-component-page": "PolymerElements/iron-component-page#^1.0.0",
+        "iron-test-helpers": "PolymerElements/iron-test-helpers#^1.0.0",
+        "web-component-tester": "^4.0.0",
+        "webcomponentsjs": "webcomponents/webcomponentsjs#^0.7.0"
+      },
+      "resolutions": {
+        "webcomponentsjs": "^0.7"
+      }
+    }
+  },
+  "resolutions": {
+    "webcomponentsjs": "^1.0.0"
   }
 }

third_party/polymer/v1_0/components-chromium/iron-menu-behavior/iron-menu-behavior-extracted.js

@@ -34,6 +34,26 @@
       },
     },
 
+    // The list of keys has been taken from
+    // https://developer.mozilla.org/en-US/docs/Web/API/KeyboardEvent/getModifierState
+    _MODIFIER_KEYS : [
+      'Alt',
+      'AltGraph',
+      'CapsLock',
+      'Control',
+      'Fn',
+      'FnLock',
+      'Hyper',
+      'Meta',
+      'NumLock',
+      'OS',
+      'ScrollLock',
+      'Shift',
+      'Super',
+      'Symbol',
+      'SymbolLock'
+    ],
+
     _SEARCH_RESET_TIMEOUT_MS: 1000,
 
     _previousTabIndex: 0,
@@ -117,6 +137,12 @@
      * @param {KeyboardEvent} event A KeyboardEvent.
      */
     _focusWithKeyboardEvent: function(event) {
+      // Make sure that the key pressed is not a modifier key.
+      // getModifierState is not being used, as it is not available in Safari
+      // earlier than 10.0.2 (https://trac.webkit.org/changeset/206725/webkit)
+      if (this._MODIFIER_KEYS.indexOf(event.key) !== -1)
+        return;
+
       this.cancelDebouncer('_clearSearchText');
 
       var searchText = this._searchText || '';
@@ -331,8 +357,10 @@
      * @param {CustomEvent} event A key combination event.
      */
     _onEscKey: function(event) {
-      // esc blurs the control
-      this.focusedItem.blur();
+      var focusedItem = this.focusedItem;
+      if (focusedItem) {
+        focusedItem.blur();
+      }
     },
 
     /**

third_party/polymer/v1_0/components_summary.txt

@@ -114,9 +114,9 @@ Tree link: https://github.com/PolymerElements/iron-media-query/tree/v2.0.0
 
 Name: iron-menu-behavior
 Repository: https://github.com/PolymerElements/iron-menu-behavior.git
-Tree: v1.3.0
-Revision: 707791b8166d9233a582fee5b2df0f6eaea40973
-Tree link: https://github.com/PolymerElements/iron-menu-behavior/tree/v1.3.0
+Tree: v2.0.1
+Revision: cf68d76ebcfebd57d1a73e53c47845a9956506e1
+Tree link: https://github.com/PolymerElements/iron-menu-behavior/tree/v2.0.1
 
 Name: iron-meta
 Repository: https://github.com/PolymerElements/iron-meta.git

third_party/polymer/v1_0/rsync_exclude.txt

@@ -19,6 +19,7 @@ package-lock.json
 */tests/
 .travis.yml
 *.d.ts
+*wct.conf.json
 
 # app-layout specific
 */patterns/