Delete panel metrics and define insets in terms of distance metrics.

chrome/browser/ui/views/harmony/chrome_layout_provider.cc

Index: chrome/browser/ui/views/harmony/chrome_layout_provider.cc
diff --git a/chrome/browser/ui/views/harmony/chrome_layout_provider.cc b/chrome/browser/ui/views/harmony/chrome_layout_provider.cc
index 6bb3edf2fddab772f0bd26a56b4949da828df9e4..24988010ce0f122ed1c04a529801ffd396c6bf50 100644
--- a/chrome/browser/ui/views/harmony/chrome_layout_provider.cc
+++ b/chrome/browser/ui/views/harmony/chrome_layout_provider.cc
@@ -30,8 +30,6 @@ int ChromeLayoutProvider::GetDistanceMetric(int metric) const {
       return views::kMinimumButtonWidth;
     case DISTANCE_CONTROL_LIST_VERTICAL:
       return GetDistanceMetric(DISTANCE_UNRELATED_CONTROL_VERTICAL);
-    case DISTANCE_DIALOG_BUTTON_MARGIN:
-      return views::kButtonHEdgeMarginNew;
     case DISTANCE_DIALOG_BUTTON_TOP:
       return 0;
     case DISTANCE_RELATED_CONTROL_HORIZONTAL_SMALL:
@@ -42,8 +40,6 @@ int ChromeLayoutProvider::GetDistanceMetric(int metric) const {
       return views::kItemLabelSpacing;
     case DISTANCE_SUBSECTION_HORIZONTAL_INDENT:
       return views::kCheckboxIndent;
-    case DISTANCE_PANEL_CONTENT_MARGIN:
-      return views::kPanelHorizMargin;
     case DISTANCE_UNRELATED_CONTROL_HORIZONTAL:
       return views::kUnrelatedControlHorizontalSpacing;
     case DISTANCE_UNRELATED_CONTROL_HORIZONTAL_LARGE: