Last round of cleaning up MD layout constants.

chrome/browser/ui/views/toolbar/toolbar_button.h

 // Copyright 2013 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_TOOLBAR_TOOLBAR_BUTTON_H_
 #define CHROME_BROWSER_UI_VIEWS_TOOLBAR_TOOLBAR_BUTTON_H_
 
 #include <memory>
 
 #include "base/macros.h"
@@ skipping 48 matching lines @@
   void OnGestureEvent(ui::GestureEvent* event) override;
   void GetAccessibleNodeData(ui::AXNodeData* node_data) override;
   std::unique_ptr<views::LabelButtonBorder> CreateDefaultBorder()
       const override;
 
   // views::ContextMenuController:
   void ShowContextMenuForView(View* source,
                               const gfx::Point& point,
                               ui::MenuSourceType source_type) override;
 
+  // Padding inside the border (around the image).
+  static constexpr int kInteriorPadding = 6;

[Peter Kasting, 2016/12/08 20:57:50]

Nit: Goes above constructor

[Evan Stade, 2016/12/13 01:31:19]

Done.

+
  protected:
   // Returns if menu should be shown. Override this to change default behavior.
   virtual bool ShouldShowMenu();
 
   // Function to show the dropdown menu.
   virtual void ShowDropDownMenu(ui::MenuSourceType source_type);
 
  private:
   friend test::ToolbarButtonTestApi;
 
@@ skipping 21 matching lines @@
   // Menu runner to display drop down menu.
   std::unique_ptr<views::MenuRunner> menu_runner_;
 
   // A factory for tasks that show the dropdown context menu for the button.
   base::WeakPtrFactory<ToolbarButton> show_menu_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(ToolbarButton);
 };
 
 #endif  // CHROME_BROWSER_UI_VIEWS_TOOLBAR_TOOLBAR_BUTTON_H_