A few source code cosmetics for notifications.

chrome/browser/extensions/api/notifications/notifications_api.cc

 // Copyright (c) 2012 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.
 
 #include "chrome/browser/extensions/api/notifications/notifications_api.h"
 
 #include "base/callback.h"
 #include "base/guid.h"
 #include "base/rand_util.h"
 #include "base/strings/string_number_conversions.h"
@@ skipping 235 matching lines @@
 
 NotificationsApiFunction::NotificationsApiFunction() {
 }
 
 NotificationsApiFunction::~NotificationsApiFunction() {
 }
 
 bool NotificationsApiFunction::CreateNotification(
     const std::string& id,
     api::notifications::NotificationOptions* options) {
-  // First, make sure the required fields exist: type, title, message,  icon.
+  // First, make sure the required fields exist: type, title, message, icon.
   // These fields are defined as optional in IDL such that they can be used as
   // optional for notification updates. But for notification creations, they
   // should be present.
   if (options->type == api::notifications::TEMPLATE_TYPE_NONE ||
       !options->icon_url || !options->title || !options->message) {
     SetError(kMissingRequiredPropertiesForCreateNotification);
     return false;
   }
 
   NotificationBitmapSizes bitmap_sizes = GetNotificationBitmapSizes();
@@ skipping 417 matching lines @@
           ? api::notifications::PERMISSION_LEVEL_GRANTED
           : api::notifications::PERMISSION_LEVEL_DENIED;
 
   SetResult(new base::StringValue(api::notifications::ToString(result)));
   SendResponse(true);
 
   return true;
 }
 
 }  // namespace extensions