Harmony - convert hung renderer dialog.

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 6213d1c90c0484e3b5df65635f49cb379dd6b816..e1b1a86c80b9c107be67333841c319ea2d6a6163 100644
--- a/chrome/browser/ui/views/harmony/layout_delegate.h
+++ b/chrome/browser/ui/views/harmony/layout_delegate.h
@@ -10,12 +10,14 @@
 class LayoutDelegate {
  public:
   enum class Metric {
+    // Padding on the left and right side of a button's label.
+    BUTTON_HORIZONTAL_PADDING,
     // Margin between the edge of a dialog and the left, right, or bottom of a
     // contained button.
     DIALOG_BUTTON_MARGIN,
-    // In theory, this is the spacing between a dialog button and the content
-    // above it.  In practice, what the code does with this value, at least
-    // pre-Harmony, defies easy explanation.
+    // Minimum width of a dialog button.
+    DIALOG_BUTTON_MINIMUM_WIDTH,
+    // This is the spacing between a dialog button and the content above it.

[Peter Kasting, 2017/02/16 01:14:47]

Nit: Remove "This is the"

[Bret, 2017/02/16 01:31:04]

Done.

     DIALOG_BUTTON_TOP_SPACING,
     // Horizontal or vertical margin between the edge of a dialog and the close
     // button in the upper trailing corner.
@@ -36,6 +38,10 @@ class LayoutDelegate {
     // Horizontal indent of a subsection relative to related items above, e.g.
     // checkboxes below explanatory text/headings.
     SUBSECTION_HORIZONTAL_INDENT,
+    // Horizontal spacing between controls that are logically unrelated.
+    UNRELATED_CONTROL_HORIZONTAL_SPACING,
+    // Larger horizontal spacing between unrelated controls.
+    UNRELATED_CONTROL_HORIZONTAL_SPACING_LARGE,
     // Vertical spacing between controls that are logically unrelated.
     UNRELATED_CONTROL_VERTICAL_SPACING,
     // Larger vertical spacing between unrelated controls.