Roll third_party/polymer.

third_party/polymer/v1_0/components-chromium/iron-input/bower.json

Index: third_party/polymer/v1_0/components-chromium/iron-input/bower.json
diff --git a/third_party/polymer/v1_0/components-chromium/iron-input/bower.json b/third_party/polymer/v1_0/components-chromium/iron-input/bower.json
index 18152b2670226e32e06d283381d3c2bbe5e96bc6..018f4a163f3dcc5b851e3d3c98b4cce63a506d4f 100644
--- a/third_party/polymer/v1_0/components-chromium/iron-input/bower.json
+++ b/third_party/polymer/v1_0/components-chromium/iron-input/bower.json
@@ -1,6 +1,6 @@
 {
   "name": "iron-input",
-  "version": "1.0.8",
+  "version": "1.0.10",
   "description": "An input element with data binding",
   "authors": [
     "The Polymer Authors"
@@ -20,6 +20,7 @@
   "homepage": "https://github.com/PolymerElements/iron-input",
   "ignore": [],
   "dependencies": {
+    "iron-a11y-announcer": "PolymerElements/iron-a11y-announcer#^1.0.0",
     "iron-validatable-behavior": "PolymerElements/iron-validatable-behavior#^1.0.0",
     "polymer": "Polymer/polymer#^1.0.0"
   },
@@ -28,7 +29,7 @@
     "iron-component-page": "PolymerElements/iron-component-page#^1.0.0",
     "iron-validator-behavior": "PolymerElements/iron-validator-behavior#^1.0.0",
     "test-fixture": "PolymerElements/test-fixture#^1.0.0",
-    "web-component-tester": "polymer/web-component-tester#^3.4.0",
+    "web-component-tester": "^4.0.0",
     "webcomponentsjs": "webcomponents/webcomponentsjs#^0.7.0"
   }
 }