Reduce views::Border creation verbosity by promoting factory functions

ash/common/system/chromeos/palette/common_palette_tool.cc

 // Copyright 2016 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/chromeos/palette/common_palette_tool.h"
 
 #include "ash/common/shelf/shelf_constants.h"
 #include "ash/common/system/chromeos/palette/palette_ids.h"
 #include "ash/common/system/chromeos/palette/palette_tool_manager.h"
 #include "ash/common/system/tray/hover_highlight_view.h"
@@ skipping 79 matching lines @@
 }
 
 views::View* CommonPaletteTool::CreateDefaultView(const base::string16& name) {
   gfx::ImageSkia icon =
       CreateVectorIcon(GetPaletteIcon(), kMenuIconSize, gfx::kChromeIconGrey);
   gfx::ImageSkia check = CreateVectorIcon(gfx::VectorIconId::CHECK_CIRCLE,
                                           kMenuIconSize, gfx::kGoogleGreen700);
 
   highlight_view_ = new HoverHighlightView(this);
   highlight_view_->SetBorder(
-      views::Border::CreateEmptyBorder(0, kMenuExtraMarginFromLeftEdge, 0, 0));
+      views::CreateEmptyBorder(0, kMenuExtraMarginFromLeftEdge, 0, 0));
   const int interior_button_padding = (kMenuButtonSize - kMenuIconSize) / 2;
   highlight_view_->AddIconAndLabelCustomSize(icon, name, false, kMenuIconSize,
                                              interior_button_padding,
                                              kTrayPopupPaddingHorizontal);
   highlight_view_->AddRightIcon(check, kMenuIconSize);
   highlight_view_->set_custom_height(kMenuButtonSize);
   highlight_view_->text_label()->SetFontList(GetLabelFont());
 
   if (enabled()) {
     highlight_view_->SetAccessiblityState(
         HoverHighlightView::AccessibilityState::CHECKED_CHECKBOX);
   } else {
     highlight_view_->SetRightIconVisible(false);
     highlight_view_->SetAccessiblityState(
         HoverHighlightView::AccessibilityState::UNCHECKED_CHECKBOX);
   }
 
   return highlight_view_;
 }
 
 }  // namespace ash