[MD] some tweaks to download shelf

ui/gfx/geometry/insets.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_GFX_GEOMETRY_INSETS_H_
 #define UI_GFX_GEOMETRY_INSETS_H_
 
 #include <string>
 
 #include "ui/gfx/geometry/insets_f.h"
 #include "ui/gfx/gfx_export.h"
 
 namespace gfx {
 
-// An integer version of gfx::Insets.
 class GFX_EXPORT Insets {
  public:
   Insets();
+  explicit Insets(int all);
+  Insets(int vertical, int horizontal);
   Insets(int top, int left, int bottom, int right);
 
   ~Insets();
 
   int top() const { return top_; }
   int left() const { return left_; }
   int bottom() const { return bottom_; }
   int right() const { return right_; }
 
   // Returns the total width taken up by the insets, which is the sum of the
@@ skipping 56 matching lines @@
  private:
   int top_;
   int left_;
   int bottom_;
   int right_;
 };
 
 }  // namespace gfx
 
 #endif  // UI_GFX_GEOMETRY_INSETS_H_