[MD] some tweaks to download shelf

ui/gfx/geometry/insets.cc

Index: ui/gfx/geometry/insets.cc
diff --git a/ui/gfx/geometry/insets.cc b/ui/gfx/geometry/insets.cc
index 46fb84ce233ef100fbb34de8f9736b17019acb58..08ee8f468697a7a44a0f0f6341f6f2cd7435108b 100644
--- a/ui/gfx/geometry/insets.cc
+++ b/ui/gfx/geometry/insets.cc
@@ -10,6 +10,11 @@ namespace gfx {
 
 Insets::Insets() : Insets(0, 0, 0, 0) {}
 
+Insets::Insets(int all) : Insets(all, all, all, all) {}
+
+Insets::Insets(int vertical, int horizontal)
+    : Insets(vertical, horizontal, vertical, horizontal) {}
+
 Insets::Insets(int top, int left, int bottom, int right)
     : top_(top), left_(left), bottom_(bottom), right_(right) {}