Changed look of pin keyboard.

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

Index: chrome/browser/resources/chromeos/quick_unlock/pin_keyboard.js
diff --git a/chrome/browser/resources/chromeos/quick_unlock/pin_keyboard.js b/chrome/browser/resources/chromeos/quick_unlock/pin_keyboard.js
index a5cbe3b7c5c1c5616a7a1ababb4cc36f279640c4..f57a4ec47cf7af0200185e975fac792bc1e1960d 100644
--- a/chrome/browser/resources/chromeos/quick_unlock/pin_keyboard.js
+++ b/chrome/browser/resources/chromeos/quick_unlock/pin_keyboard.js
@@ -14,6 +14,12 @@ Polymer({
     input.value += value;
   },
 
+  // Called when the user wants to clear the current entered PIN value.
+  onPinClear_: function() {

[jdufault, 2016/06/22 23:18:01]

onPinBackspace_? Though that doesn't sound much better, either.

Maybe just update the comment to call out that this erases the last character.

[sammiequon, 2016/06/22 23:43:28]

Done.

+    var pin = this.$$('#pin-input');
+    pin.value = pin.value.substring(0, pin.value.length - 1);
+  },
+
   // Called when the user wants to submit the PIN.
   onPinSubmit_: function() {
     var pin = this.$$('#pin-input').value;