Fix style of profile error dialog.

ui/views/window/dialog_delegate.h

 // 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.
 
 #ifndef UI_VIEWS_WINDOW_DIALOG_DELEGATE_H_
 #define UI_VIEWS_WINDOW_DIALOG_DELEGATE_H_
 
 #include "base/compiler_specific.h"
 #include "base/macros.h"
 #include "base/strings/string16.h"
@@ skipping 77 matching lines @@
   // the typical.
   virtual void UpdateButton(LabelButton* button, ui::DialogButton type);
 
   // Returns true if this dialog should snap the frame width based on the
   // LayoutProvider's snapping.
   virtual bool ShouldSnapFrameWidth() const;
 
   // Overridden from ui::DialogModel:
   int GetDialogButtons() const override;
   int GetDefaultDialogButton() const override;
-  bool ShouldDefaultButtonBeBlue() const override;
   base::string16 GetDialogButtonLabel(ui::DialogButton button) const override;
   bool IsDialogButtonEnabled(ui::DialogButton button) const override;
 
   // Overridden from WidgetDelegate:
   View* GetInitiallyFocusedView() override;
   DialogDelegate* AsDialogDelegate() override;
   ClientView* CreateClientView(Widget* widget) override;
   NonClientFrameView* CreateNonClientFrameView(Widget* widget) override;
 
   // Create a frame view using the new dialog style.
@@ skipping 44 matching lines @@
   void ViewHierarchyChanged(
       const ViewHierarchyChangedDetails& details) override;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(DialogDelegateView);
 };
 
 }  // namespace views
 
 #endif  // UI_VIEWS_WINDOW_DIALOG_DELEGATE_H_