Refactor ChooserDialogView to use borders instead of content margins.

chrome/browser/ui/views/extensions/chooser_dialog_view.h

 // 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.
 
 #ifndef CHROME_BROWSER_UI_VIEWS_EXTENSIONS_CHOOSER_DIALOG_VIEW_H_
 #define CHROME_BROWSER_UI_VIEWS_EXTENSIONS_CHOOSER_DIALOG_VIEW_H_
 
 #include <memory>
 
 #include "base/macros.h"
@@ skipping 14 matching lines @@
 
   // views::WidgetDelegate:
   base::string16 GetWindowTitle() const override;
   bool ShouldShowCloseButton() const override;
   ui::ModalType GetModalType() const override;
 
   // views::DialogDelegate:
   base::string16 GetDialogButtonLabel(ui::DialogButton button) const override;
   bool IsDialogButtonEnabled(ui::DialogButton button) const override;
   views::View* CreateFootnoteView() override;
-  views::ClientView* CreateClientView(views::Widget* widget) override;
-  views::NonClientFrameView* CreateNonClientFrameView(
-      views::Widget* widget) override;
   bool Accept() override;
   bool Cancel() override;
   bool Close() override;
 
   // views::DialogDelegateView:
   views::View* GetContentsView() override;
   views::Widget* GetWidget() override;
   const views::Widget* GetWidget() const override;
 
   // views::TableViewObserver:
   void OnSelectionChanged() override;
 
   DeviceChooserContentView* device_chooser_content_view_for_test() const;
 
  private:
   DeviceChooserContentView* device_chooser_content_view_;
 
   DISALLOW_COPY_AND_ASSIGN(ChooserDialogView);
 };
 
 #endif  // CHROME_BROWSER_UI_VIEWS_EXTENSIONS_CHOOSER_DIALOG_VIEW_H_