Reduce views::Border creation verbosity by promoting factory functions

ash/common/system/tray/label_tray_view.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 "ash/common/system/tray/label_tray_view.h"
 
 #include "ash/common/material_design/material_design_controller.h"
 #include "ash/common/system/tray/hover_highlight_view.h"
 #include "ash/common/system/tray/tray_constants.h"
 #include "ash/common/system/tray/view_click_listener.h"
@@ skipping 63 matching lines @@
     const base::string16& message) const {
   HoverHighlightView* child = new HoverHighlightView(click_listener_);
   if (icon_resource_id_) {
     ui::ResourceBundle& rb = ui::ResourceBundle::GetSharedInstance();
     gfx::ImageSkia icon =
         MaterialDesignController::IsSystemTrayMenuMaterial()
             ? gfx::CreateVectorIcon(ResourceIdToVectorIcon(icon_resource_id_),
                                     kMenuIconColor)
             : *rb.GetImageSkiaNamed(icon_resource_id_);
     child->AddIconAndLabel(icon, message, false /* highlight */);
-    child->SetBorder(views::Border::CreateEmptyBorder(
-        0, kTrayPopupPaddingHorizontal, 0, kTrayPopupPaddingHorizontal));
+    child->SetBorder(views::CreateEmptyBorder(0, kTrayPopupPaddingHorizontal, 0,
+                                              kTrayPopupPaddingHorizontal));
     child->text_label()->SetMultiLine(true);
     child->text_label()->SizeToFit(kTrayNotificationContentsWidth);
   } else {
     child->AddLabel(message, gfx::ALIGN_LEFT, false /* highlight */);
     child->text_label()->SetMultiLine(true);
     child->text_label()->SizeToFit(kTrayNotificationContentsWidth +
                                    kNotificationIconWidth);
   }
   child->text_label()->SetAllowCharacterBreak(true);
   child->SetExpandable(true);
   child->SetVisible(true);
   return child;
 }
 
 }  // namespace ash