[third_party] add polymer 1.2.3

polymer_1.2.3/iron-a11y-keys-behavior/bower.json

Index: polymer_1.2.3/iron-a11y-keys-behavior/bower.json
diff --git a/polymer_1.0.4/bower_components/iron-a11y-keys-behavior/bower.json b/polymer_1.2.3/iron-a11y-keys-behavior/bower.json
similarity index 89%
copy from polymer_1.0.4/bower_components/iron-a11y-keys-behavior/bower.json
copy to polymer_1.2.3/iron-a11y-keys-behavior/bower.json
index 3205bbe0b2ea403db7f11e2355e46047c90147b8..11b6c5c663c60d663d1d42fe3c5a0b0626b8bcbe 100644
--- a/polymer_1.0.4/bower_components/iron-a11y-keys-behavior/bower.json
+++ b/polymer_1.2.3/iron-a11y-keys-behavior/bower.json
@@ -1,6 +1,6 @@
 {
   "name": "iron-a11y-keys-behavior",
-  "version": "1.0.4",
+  "version": "1.1.1",
   "description": "A behavior that enables keybindings for greater a11y.",
   "keywords": [
     "web-components",
@@ -26,7 +26,8 @@
     "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": "*",
+    "web-component-tester": "polymer/web-component-tester#^3.4.0",
     "webcomponentsjs": "webcomponents/webcomponentsjs#^0.7.0"
-  }
+  },
+  "ignore": []
 }