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

chrome/browser/notifications/message_center_notifications_browsertest.cc

 // Copyright (c) 2013 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 <map>
 #include <string>
 
 #include "base/command_line.h"
 #include "base/message_loop/message_loop.h"
 #include "base/strings/string_number_conversions.h"
@@ skipping 108 matching lines @@
       new_delegate->AddRef();
     }
 
     message_center::RichNotificationData data;
 
     return Notification(message_center::NOTIFICATION_TYPE_BASE_FORMAT,
                         GURL("chrome-test://testing/"),
                         base::ASCIIToUTF16("title"),
                         base::ASCIIToUTF16("message"),
                         gfx::Image(),
-                        blink::WebTextDirectionDefault,
                         message_center::NotifierId(
                             message_center::NotifierId::APPLICATION,
                             "extension_id"),
                         base::UTF8ToUTF16("chrome-test://testing/"),
                         base::UTF8ToUTF16("REPLACE-ME"),
                         data,
                         new_delegate);
   }
 };
 
@@ skipping 218 matching lines @@
   manager()->Update(notification, profile());
 
   // Expect that the progress notification update is performed.
   EXPECT_EQ(base::StringPrintf("update-%s", notification_id.c_str()),
             observer.log(notification_id));
 
   delegate->Release();
 }
 
 #endif  // !defined(OS_MACOSX)