Cleanup: Remove unused blink::WebTextDirection parameter from Notification ctor.

chrome/browser/notifications/notification_conversion_helper_unittest.cc

 // Copyright 2014 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/notifications/notification_conversion_helper.h"
 
 #include "base/strings/utf_string_conversions.h"
 #include "chrome/browser/notifications/notification.h"
 #include "chrome/browser/notifications/notification_test_util.h"
 #include "chrome/common/extensions/api/notifications.h"
@@ skipping 44 matching lines @@
     bitmap.allocN32Pixels(1, 1);
     bitmap.eraseColor(SkColorSetRGB(1, 2, 3));
     gfx::Image icon = gfx::Image::CreateFrom1xBitmap(bitmap);
 
     scoped_ptr<Notification> notification(new Notification(
         type,
         GURL(),
         base::UTF8ToUTF16("Title"),
         base::UTF8ToUTF16("This is a message."),
         icon,
-        blink::WebTextDirectionDefault,
         message_center::NotifierId(message_center::NotifierId::APPLICATION,
                                    "Notifier 1"),
         base::UTF8ToUTF16("Notifier's Name"),
         base::UTF8ToUTF16("id1"),
         optional_fields,
         delegate));
 
     return notification.Pass();
   }
 
@@ skipping 41 matching lines @@
   scoped_ptr<extensions::api::notifications::NotificationOptions> options3(
       new extensions::api::notifications::NotificationOptions());
   NotificationConversionHelper::NotificationToNotificationOptions(
       *(notification3), options3.get());
   EXPECT_EQ(options3->type, extensions::api::notifications::TEMPLATE_TYPE_LIST);
   EXPECT_EQ(options3->items->at(0)->title, "Item 1 Title");
   EXPECT_EQ(options3->items->at(0)->message, "Item 1 Message");
   EXPECT_EQ(options3->items->at(1)->title, "Item 2 Title");
   EXPECT_EQ(options3->items->at(1)->message, "Item 2 Message");
 }