Use standard icon/title in global error bubble

ui/views/bubble/bubble_frame_view.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_BUBBLE_BUBBLE_FRAME_VIEW_H_
 #define UI_VIEWS_BUBBLE_BUBBLE_FRAME_VIEW_H_
 
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
 #include "base/gtest_prod_util.h"
 #include "ui/gfx/geometry/insets.h"
 #include "ui/views/controls/button/button.h"
 #include "ui/views/window/non_client_view.h"
 
 namespace gfx {
 class FontList;
 }
 
 namespace views {
 
 class Label;
 class LabelButton;
 class BubbleBorder;
+class ImageView;
 
 // The non-client frame view of bubble-styled widgets.
 class VIEWS_EXPORT BubbleFrameView : public NonClientFrameView,
                                      public ButtonListener {
  public:
   // Internal class name.
   static const char kViewClassName[];
 
   explicit BubbleFrameView(const gfx::Insets& content_margins);
   ~BubbleFrameView() override;
@@ skipping 71 matching lines @@
 
   // Calculates the size needed to accommodate the given client area.
   gfx::Size GetSizeForClientSize(const gfx::Size& client_size) const;
 
   // The bubble border.
   BubbleBorder* bubble_border_;
 
   // Margins between the content and the inside of the border, in pixels.
   gfx::Insets content_margins_;
 
-  // The optional title and (x) close button.
+  // The optional title icon, title, and (x) close button.
+  views::ImageView* title_icon_;
   Label* title_;
   LabelButton* close_;
 
   // When supplied, this view is placed in the titlebar between the title and
   // (x) close button.
   View* titlebar_extra_view_;
 
   DISALLOW_COPY_AND_ASSIGN(BubbleFrameView);
 };
 
 }  // namespace views
 
 #endif  // UI_VIEWS_BUBBLE_BUBBLE_FRAME_VIEW_H_