Update Polymer from 1.2.1 -> 1.2.3

third_party/polymer/v1_0/components-chromium/iron-a11y-keys/.bower.json

Index: third_party/polymer/v1_0/components-chromium/iron-a11y-keys/.bower.json
diff --git a/third_party/polymer/v1_0/components-chromium/iron-a11y-keys/.bower.json b/third_party/polymer/v1_0/components-chromium/iron-a11y-keys/.bower.json
index b7650ad6494de9e41d7658d845645fc4d6c4be60..436202372586ed3fea93add11a8053af4ede0b2d 100644
--- a/third_party/polymer/v1_0/components-chromium/iron-a11y-keys/.bower.json
+++ b/third_party/polymer/v1_0/components-chromium/iron-a11y-keys/.bower.json
@@ -1,6 +1,6 @@
 {
   "name": "iron-a11y-keys",
-  "version": "1.0.3",
+  "version": "1.0.4",
   "description": "A basic element implementation of iron-a11y-keys-behavior, matching the legacy core-a11y-keys.",
   "keywords": [
     "web-components",
@@ -27,15 +27,16 @@
     "iron-component-page": "polymerelements/iron-component-page#^1.0.0",
     "test-fixture": "polymerelements/test-fixture#^1.0.0",
     "webcomponentsjs": "webcomponents/webcomponentsjs#^0.7.0",
-    "web-component-tester": "*",
+    "web-component-tester": "polymer/web-component-tester#^3.4.0",
     "iron-test-helpers": "polymerelements/iron-test-helpers#^1.0.0"
   },
+  "ignore": [],
   "homepage": "https://github.com/PolymerElements/iron-a11y-keys",
-  "_release": "1.0.3",
+  "_release": "1.0.4",
   "_resolution": {
     "type": "version",
-    "tag": "v1.0.3",
-    "commit": "823d3dd6a9688fefae8bd351b49667c0f01e1569"
+    "tag": "v1.0.4",
+    "commit": "51a34396a392bcfb45592900973c35eceb11f0d7"
   },
   "_source": "git://github.com/PolymerElements/iron-a11y-keys.git",
   "_target": "^1.0.0",