Broke out layout metric information from ViewsDelegate to LayoutProvider

ui/views/window/dialog_delegate.cc

Index: ui/views/window/dialog_delegate.cc
diff --git a/ui/views/window/dialog_delegate.cc b/ui/views/window/dialog_delegate.cc
index 9122b1033bb867694c0a3ae7ed03c7cd9fc450ca..e9a2c12438a694bc5e38b909345192796ee21702 100644
--- a/ui/views/window/dialog_delegate.cc
+++ b/ui/views/window/dialog_delegate.cc
@@ -16,8 +16,8 @@
 #include "ui/views/bubble/bubble_frame_view.h"
 #include "ui/views/controls/button/label_button.h"
 #include "ui/views/layout/layout_constants.h"
+#include "ui/views/layout/layout_delegate.h"
 #include "ui/views/style/platform_style.h"
-#include "ui/views/views_delegate.h"
 #include "ui/views/widget/widget.h"
 #include "ui/views/widget/widget_observer.h"
 #include "ui/views/window/dialog_client_view.h"
@@ -200,10 +200,9 @@ NonClientFrameView* DialogDelegate::CreateNonClientFrameView(Widget* widget) {
 NonClientFrameView* DialogDelegate::CreateDialogFrameView(
     Widget* widget,
     const gfx::Insets& content_margins) {
-  BubbleFrameView* frame =
-      new BubbleFrameView(ViewsDelegate::GetInstance()->GetInsetsMetric(
-                              InsetsMetric::DIALOG_FRAME_VIEW),
-                          content_margins);
+  BubbleFrameView* frame = new BubbleFrameView(
+      LayoutDelegate::Get()->GetInsetsMetric(InsetsMetric::DIALOG_FRAME_VIEW),
+      content_margins);
   const BubbleBorder::Shadow kShadow = BubbleBorder::SMALL_SHADOW;
   std::unique_ptr<BubbleBorder> border(
       new BubbleBorder(BubbleBorder::FLOAT, kShadow, gfx::kPlaceholderColor));