MD Settings: change settings-input to home-url-input due to reduced usage.

chrome/browser/resources/settings/appearance_page/home_url_input.js

 // Copyright 2015 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 /**
  * @fileoverview
- * `settings-input` is a single-line text field for user input associated
- * with a pref value.
+ * `home-url-input` is a single-line text field intending to be used with
+ * prefs.homepage
  */
 Polymer({
-  is: 'settings-input',
+  is: 'home-url-input',
 
   behaviors: [CrPolicyPrefBehavior, PrefControlBehavior],
 
   properties: {
     /**
      * The preference object to control.
      * @type {!chrome.settingsPrivate.PrefObject|undefined}
      * @override
      */
     pref: {observer: 'prefChanged_'},
@@ skipping 86 matching lines @@
     this.$.input.blur();
   },
 
   /**
    * Keydown handler to specify enter-key and escape-key interactions.
    * @param {!Event} event
    * @private
    */
   onKeydown_: function(event) {
     // If pressed enter when input is invalid, do not trigger on-change.
-    if (event.key == 'Enter' && this.invalid) {
+    if (event.key == 'Enter' && this.invalid)
       event.preventDefault();
-      return;
-    }
-
-    if (event.key != 'Escape')
-      return;
-
-    this.resetValue_();
+    else if (event.key == 'Escape')
+      this.resetValue_();
   },
 
   /**
    * @param {boolean} disabled
    * @return {boolean} Whether the element should be disabled.
    * @private
    */
   isDisabled_: function(disabled) {
     return disabled || this.isPrefEnforced();
   },
 });