Submit button on not working.

BUG=627938
CQ_INCLUDE_TRYBOTS=master.tryserver.chromium.linux:closure_compilation

Review-Url: https://codereview.chromium.org/2157533002
Cr-Commit-Position: refs/heads/master@{#406075}

chrome/browser/resources/chromeos/quick_unlock/pin_keyboard.js

@@ -56,14 +56,6 @@ Polymer({
     return this.$$('#pin-input');
   },
 
-  /**
-   * Gets the submit button.
-   * @type {!HTMLElement}
-   */
-  get submitButton() {
-    return this.$$('.submit-button');
-  },
-
   /** Transfers focus to the input element. */
   focus: function() {
     this.$$('#pin-input').focus();

ui/login/account_picker/user_pod_row.js

@@ -712,6 +712,11 @@ cr.define('login', function() {
       this.addEventListener('click', this.handleClickOnPod_.bind(this));
       this.addEventListener('mousedown', this.handlePodMouseDown_.bind(this));
 
+      if (this.pinKeyboard) {
+        this.pinKeyboard.addEventListener('submit',
+            this.handlePinSubmitted_.bind(this));
+      }
+
       this.actionBoxAreaElement.addEventListener('mousedown',
                                                  stopEventPropagation);
       this.actionBoxAreaElement.addEventListener('click',
@@ -1790,6 +1795,15 @@ cr.define('login', function() {
       this.userClickAuthAllowed_ = this.parentNode.isFocused(this);
     },
 
+    /**
+     * Handles click event on submit button on the pin keyboard.
+     * @param {Event} e Click event.
+     */
+    handlePinSubmitted_: function(e) {
+      if (this.parentNode.isFocused(this))
+        this.parentNode.setActivatedPod(this);
+    },
+
     /**
      * Handles click event on a user pod.
      * @param {Event} e Click event.
@@ -1805,11 +1819,6 @@ cr.define('login', function() {
           // Note that this.userClickAuthAllowed_ is set in mouse down event
           // handler.
           this.parentNode.setActivatedPod(this);
-        } else if (this.pinKeyboard.submitButton &&
-                   e.target == this.pinKeyboard.submitButton) {
-          // Sets the pod as activated if the submit button is clicked so that
-          // it simulates what the enter button does for the password/pin.
-          this.parentNode.setActivatedPod(this);
         }
 
         if (this.multiProfilesPolicyApplied)