Remove references to ui/views/layout/layout_constants.h

ui/views/layout/layout_provider.h

 // Copyright 2017 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_LAYOUT_LAYOUT_PROVIDER_H_
 #define UI_VIEWS_LAYOUT_LAYOUT_PROVIDER_H_
 
 #include "base/macros.h"
 #include "ui/gfx/geometry/insets.h"
 #include "ui/views/style/typography_provider.h"
@@ skipping 60 matching lines @@
   // Margin on the top and bottom of the contents of a dialog.
   DISTANCE_DIALOG_CONTENTS_VERTICAL_MARGIN,
   // The spacing between a pair of related horizontal buttons, used for
   // dialog layout.
   DISTANCE_RELATED_BUTTON_HORIZONTAL,
   // Horizontal spacing between controls that are logically related.
   DISTANCE_RELATED_CONTROL_HORIZONTAL,
   // The spacing between a pair of related vertical controls, used for
   // dialog layout.
   DISTANCE_RELATED_CONTROL_VERTICAL,
+  // Vertical spacing between controls that are logically unrelated.
+  DISTANCE_UNRELATED_CONTROL_VERTICAL,
 
   // Embedders must start DistanceMetric enum values from here.
   VIEWS_DISTANCE_END
 };
 
 class VIEWS_EXPORT LayoutProvider {
  public:
   LayoutProvider();
   virtual ~LayoutProvider();
 
@@ skipping 17 matching lines @@
 
  private:
   DefaultTypographyProvider typography_provider_;
 
   DISALLOW_COPY_AND_ASSIGN(LayoutProvider);
 };
 
 }  // namespace views
 
 #endif  // UI_VIEWS_LAYOUT_LAYOUT_PROVIDER_H_