Cookies tree js code touch up.

chrome/browser/resources/options/cookies_view.js

Index: chrome/browser/resources/options/cookies_view.js
diff --git a/chrome/browser/resources/options/cookies_view.js b/chrome/browser/resources/options/cookies_view.js
index 93d2967aa0c199ec340b33936e97f141b1bea75c..0f51fcb0b73d4a347b88d6adcec5383b82d84b51 100644
--- a/chrome/browser/resources/options/cookies_view.js
+++ b/chrome/browser/resources/options/cookies_view.js
@@ -32,7 +32,7 @@ cr.define('options', function() {
       options.CookiesTree.decorate(cookiesTree);
       cookiesTree.addEventListener('change',
           this.handleCookieTreeChange_.bind(this));
-      cookiesTree.addEventListener('keydown', this.handleKeyDown_);
+      cookiesTree.addEventListener('keydown', this.handleKeyDown_.bind(this));
 
       $('cookiesSearchBox').addEventListener('keydown',
           this.handleQueryEditKeyDown_.bind(this));
@@ -44,8 +44,7 @@ cr.define('options', function() {
       }
 
       $('remove-cookie').onclick = function(e) {
-        var selected = cookiesTree.selectedItem;
-        chrome.send('removeCookie', [selected.pathId]);
+        self.removeSelectedCookie_();
       }
 
       $('remove-all-cookie').onclick = function(e) {
@@ -234,6 +233,16 @@ cr.define('options', function() {
     },
 
     /**
+     * Remove currently selected cookie.
+     * @private
+     */
+    removeSelectedCookie_: function() {
+      var selected = cookiesTree.selectedItem;
+      if (selected)
+        chrome.send('removeCookie', [selected.pathId]);
+    },
+
+    /**
      * Handler for keydown event.
      * @private
      * @param {Event} e KeyDown event.
@@ -244,9 +253,11 @@ cr.define('options', function() {
       if (!$('remove-cookie').disabled &&
           (e.keyIdentifier == 'U+007F' ||
             (cr.isMac && e.keyIdentifier == 'U+0008'))) {
+        // No further key handling to avoid navigation triggered by 'Backspace'
+        // on Mac.
         e.preventDefault();
-        e.stopPropagation();
-        cr.dispatchSimpleEvent($('remove-cookie'), 'click');
+
+        this.removeSelectedCookie_();
       }
     }
   };