[MD] Twiddle padding of omnibox chips

chrome/browser/ui/views/layout_constants.h

 // Copyright 2015 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_LAYOUT_CONSTANTS_H_
 #define CHROME_BROWSER_UI_VIEWS_LAYOUT_CONSTANTS_H_
 
 #include "ui/gfx/geometry/insets.h"
 
 enum LayoutConstant {
   // Vertical offset from top of content to the top of find bar.
   FIND_BAR_TOOLBAR_OVERLAP,
 
   // Horizontal padding applied between items of icon-label views.
   ICON_LABEL_VIEW_INTERNAL_PADDING,
 
+  // Additional horizontal padding applied on the leading edge of icon-label
+  // views (before the icon).
+  ICON_LABEL_VIEW_LEADING_PADDING,
+
   // Additional horizontal padding applied on the trailing edge of icon-label
   // views.
   ICON_LABEL_VIEW_TRAILING_PADDING,
 
   // The thickness of the location bar's border.
   LOCATION_BAR_BORDER_THICKNESS,
 
   // The horizontal space between the edge and a bubble.
   LOCATION_BAR_BUBBLE_HORIZONTAL_PADDING,
 
@@ skipping 93 matching lines @@
   TOOLBAR,
 
   // The spacing between a ToolbarButton's image and its border.
   TOOLBAR_BUTTON,
 };
 
 int GetLayoutConstant(LayoutConstant constant);
 gfx::Insets GetLayoutInsets(LayoutInset inset);
 
 #endif  // CHROME_BROWSER_UI_VIEWS_LAYOUT_CONSTANTS_H_