views: add layout delegates

ui/views/views_delegate.cc

Index: ui/views/views_delegate.cc
diff --git a/ui/views/views_delegate.cc b/ui/views/views_delegate.cc
index 9127e7272f7a6d96cccb5c3193faf0924dd17a33..79c8d9d51c28ad1610fe4c5f41c423563caf2582 100644
--- a/ui/views/views_delegate.cc
+++ b/ui/views/views_delegate.cc
@@ -6,6 +6,7 @@
 
 #include "base/command_line.h"
 #include "build/build_config.h"
+#include "ui/views/layout/layout_constants.h"
 #include "ui/views/views_touch_selection_controller_factory.h"
 #include "ui/views/widget/native_widget_private.h"
 
@@ -121,6 +122,15 @@ scoped_refptr<base::TaskRunner> ViewsDelegate::GetBlockingPoolTaskRunner() {
   return nullptr;
 }
 
+gfx::Insets ViewsDelegate::GetDialogButtonInsets() {
+  return gfx::Insets(0, kButtonHEdgeMarginNew, kButtonVEdgeMarginNew,
+                     kButtonHEdgeMarginNew);
+}
+
+int ViewsDelegate::GetDialogRelatedButtonHorizontalSpacing() {
+  return kRelatedButtonHSpacing;
+}
+
 ViewsDelegate::ViewsDelegate()
     : views_tsc_factory_(new ViewsTouchEditingControllerFactory) {
   DCHECK(!views_delegate);