Views/Harmony: Replace layout constants in chrome/browser/ui/views/extensions.

chrome/browser/ui/views/harmony/layout_delegate.h

Index: chrome/browser/ui/views/harmony/layout_delegate.h
diff --git a/chrome/browser/ui/views/harmony/layout_delegate.h b/chrome/browser/ui/views/harmony/layout_delegate.h
index d7d62520ead44d82bcd555f095d88ce40bf7b740..5ab92aeac79ea1c6049b9ac2108468292dab0fa1 100644
--- a/chrome/browser/ui/views/harmony/layout_delegate.h
+++ b/chrome/browser/ui/views/harmony/layout_delegate.h
@@ -40,8 +40,13 @@ class LayoutDelegate {
     RELATED_BUTTON_HORIZONTAL_SPACING,
     // Horizontal spacing between other controls that are logically related.
     RELATED_CONTROL_HORIZONTAL_SPACING,
+    // Small horizontal spacing between other controls that are logically
+    // related.

[Peter Kasting, 2017/03/24 07:00:51]

Nit: "Smaller horizontal spacing between related controls."

and similar below.  (I'm copying the style of the _LARGE comments below for this
wording.)

[Patti Lor, 2017/03/24 07:34:03]

Done.

+    RELATED_CONTROL_HORIZONTAL_SPACING_SMALL,
     // Vertical spacing between controls that are logically related.
     RELATED_CONTROL_VERTICAL_SPACING,
+    // Small vertical spacing between controls that are logically related.
+    RELATED_CONTROL_VERTICAL_SPACING_SMALL,
     // Horizontal spacing between an item such as an icon or checkbox and a
     // label related to it.
     RELATED_LABEL_HORIZONTAL_SPACING,