Harmony - convert hung renderer dialog.

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

 // Copyright 2016 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 CHROME_BROWSER_UI_VIEWS_HARMONY_LAYOUT_DELEGATE_H_
 #define CHROME_BROWSER_UI_VIEWS_HARMONY_LAYOUT_DELEGATE_H_
 
 #include "ui/views/layout/grid_layout.h"
 
 class LayoutDelegate {
  public:
   enum class LayoutDistanceType {
     // Left or right margin.
     PANEL_HORIZ_MARGIN,
     // Top or bottom margin.
     PANEL_VERT_MARGIN,
     // Horizontal spacing between controls that are logically related.
     RELATED_CONTROL_HORIZONTAL_SPACING,
     // Vertical spacing between controls that are logically related.
     RELATED_CONTROL_VERTICAL_SPACING,
     // Horizontal spacing between buttons that are logically related.
     RELATED_BUTTON_HORIZONTAL_SPACING,
     // Vertical spacing between controls that are logically unrelated.
     UNRELATED_CONTROL_VERTICAL_SPACING,
+    // Larger horizontal spacing between unrelated controls.
+    UNRELATED_CONTROL_LARGE_HORIZONTAL_SPACING,

[Peter Kasting, 2017/02/02 00:32:30]

Once you resync with upstream, you'll want to rename this to follow the pattern
I did with the LARGE_VERTICAL_SPACING (i.e.
UNRELATED_CONTROL_HORIZONTAL_SPACING_LARGE) and ensure it's sorted in
alphabetical order.

[Bret, 2017/02/03 01:47:17]

Done.

     // Larger vertical spacing between unrelated controls.
     UNRELATED_CONTROL_LARGE_VERTICAL_SPACING,
     // Vertical spacing between the edge of the window and the
     // top or bottom of a button.
     BUTTON_HEDGE_MARGIN_NEW,
     // Horizontal spacing between the edge of the window and the
     // left or right of a button.
     BUTTON_VEDGE_MARGIN_NEW,
     // Indent of checkboxes relative to related text.
     CHECKBOX_INDENT,
@@ skipping 33 matching lines @@
 
   // Returns whether Harmony mode is enabled. This method is deprecated and
   // should only be used in dire circumstances, such as when Harmony specifies a
   // different distance type than was previously used.
   virtual bool IsHarmonyMode() const;
 
   // Returns the preferred width for a dialog of the specified width type. If
   // there is no preferred width for |type|, returns 0.
   virtual int GetDialogPreferredWidth(DialogWidthType type) const;
 
+  // Returns the minimum width for a dialog button.
+  virtual int GetDialogButtonMinimumWidth() const;
+
  private:
   DISALLOW_COPY_AND_ASSIGN(LayoutDelegate);
 };
 
 #endif  // CHROME_BROWSER_UI_VIEWS_HARMONY_LAYOUT_DELEGATE_H_