Broke out layout metric information from ViewsDelegate to LayoutProvider

ui/views/controls/button/image_button_factory.cc

Index: ui/views/controls/button/image_button_factory.cc
diff --git a/ui/views/controls/button/image_button_factory.cc b/ui/views/controls/button/image_button_factory.cc
index 5905b46bc868206ebdacf7e6cf776a26b28a8606..e1cafa904e0c05558dbef50d431b843dfa22cb50 100644
--- a/ui/views/controls/button/image_button_factory.cc
+++ b/ui/views/controls/button/image_button_factory.cc
@@ -10,8 +10,8 @@
 #include "ui/views/border.h"
 #include "ui/views/controls/button/custom_button.h"
 #include "ui/views/controls/button/image_button.h"
+#include "ui/views/layout/layout_provider.h"
 #include "ui/views/painter.h"
-#include "ui/views/views_delegate.h"
 
 namespace views {
 
@@ -22,9 +22,8 @@ ImageButton* CreateVectorImageButton(ButtonListener* listener) {
   button->SetImageAlignment(ImageButton::ALIGN_CENTER,
                             ImageButton::ALIGN_MIDDLE);
   button->SetFocusPainter(nullptr);
-  button->SetBorder(
-      CreateEmptyBorder(ViewsDelegate::GetInstance()->GetInsetsMetric(
-          InsetsMetric::VECTOR_IMAGE_BUTTON_PADDING)));
+  button->SetBorder(CreateEmptyBorder(
+      LayoutProvider::Get()->GetInsetsMetric(INSETS_VECTOR_IMAGE_BUTTON)));
   return button;
 }