Broke out layout metric information from ViewsDelegate to LayoutProvider

chrome/browser/ui/views/arc_app_dialog_view.cc

Index: chrome/browser/ui/views/arc_app_dialog_view.cc
diff --git a/chrome/browser/ui/views/arc_app_dialog_view.cc b/chrome/browser/ui/views/arc_app_dialog_view.cc
index bdb73fe5a2e66a74e4ef81ea35f6dd0684f0ae43..8e87fd5dab8e7d515ffce458d977c3d44f337293 100644
--- a/chrome/browser/ui/views/arc_app_dialog_view.cc
+++ b/chrome/browser/ui/views/arc_app_dialog_view.cc
@@ -14,7 +14,7 @@
 #include "chrome/browser/ui/app_list/arc/arc_app_list_prefs.h"
 #include "chrome/browser/ui/app_list/arc/arc_app_utils.h"
 #include "chrome/browser/ui/native_window_tracker.h"
-#include "chrome/browser/ui/views/harmony/layout_delegate.h"
+#include "chrome/browser/ui/views/harmony/chrome_views_layout_delegate.h"
 #include "chrome/grit/generated_resources.h"
 #include "components/constrained_window/constrained_window_views.h"
 #include "components/strings/grit/components_strings.h"
@@ -138,10 +138,11 @@ ArcAppDialogView::ArcAppDialogView(Profile* profile,
   if (parent_)
     parent_window_tracker_ = NativeWindowTracker::Create(parent_);
 
+  // TODO: Harmony - review the use of constants below

[Peter Kasting, 2017/03/30 00:49:04]

Nit: I wouldn't add this TODO for now, as we haven't even figured out if this
class is on the list of things we'll be touching.

[kylix_rd, 2017/03/30 19:34:07]

Done.

   SetLayoutManager(new views::BoxLayout(
       views::BoxLayout::kHorizontal, views::kButtonHEdgeMarginNew,
-      LayoutDelegate::Get()->GetMetric(
-          LayoutDelegate::Metric::PANEL_CONTENT_MARGIN),
+      ChromeViewsLayoutDelegate::Get()->GetDistanceMetric(
+          ChromeDistanceMetric::PANEL_CONTENT_MARGIN),
       views::kRelatedControlHorizontalSpacing));
 
   icon_view_ = new FixedBoundarySizeImageView();