Update Polymer components.

third_party/polymer/components/iron-form-element-behavior/.bower.json

 {
   "name": "iron-form-element-behavior",
-  "version": "1.0.6",
+  "version": "1.0.7",
   "license": "http://polymer.github.io/LICENSE.txt",
   "private": true,
   "main": "iron-form-element-behavior.html",
   "authors": [
     "The Polymer Authors"
   ],
   "description": "Enables a custom element to be included in an iron-form",
   "keywords": [
     "web-components",
     "polymer",
     "form"
   ],
   "repository": {
     "type": "git",
     "url": "git://github.com/PolymerElements/iron-form-element-behavior.git"
   },
   "dependencies": {
     "polymer": "Polymer/polymer#^1.0.0"
   },
   "devDependencies": {
     "iron-component-page": "PolymerElements/iron-component-page#^1.0.0",
     "paper-styles": "PolymerElements/paper-styles#^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"
   },
   "ignore": [],
   "homepage": "https://github.com/PolymerElements/iron-form-element-behavior",
-  "_release": "1.0.6",
+  "_release": "1.0.7",
   "_resolution": {
     "type": "version",
-    "tag": "v1.0.6",
-    "commit": "cf9e09ded62daf3363852ce98260aaad1ed0fae1"
+    "tag": "v1.0.7",
+    "commit": "1ff8e3da05ef1497eb11866121470f8c65035748"
   },
-  "_source": "git://github.com/PolymerElements/iron-form-element-behavior.git",
+  "_source": "https://github.com/PolymerElements/iron-form-element-behavior.git",
   "_target": "^1.0.0",
   "_originalSource": "PolymerElements/iron-form-element-behavior"
 }