harmony: convert device chooser

chrome/browser/ui/views/extensions/chooser_dialog_view.cc

Index: chrome/browser/ui/views/extensions/chooser_dialog_view.cc
diff --git a/chrome/browser/ui/views/extensions/chooser_dialog_view.cc b/chrome/browser/ui/views/extensions/chooser_dialog_view.cc
index dffa13c118584bacee809b05478cd2443aae44e4..9694f755968124bc84f661b7a873ac8ec347eab6 100644
--- a/chrome/browser/ui/views/extensions/chooser_dialog_view.cc
+++ b/chrome/browser/ui/views/extensions/chooser_dialog_view.cc
@@ -11,13 +11,15 @@
 #include "chrome/browser/extensions/chrome_extension_chooser_dialog.h"
 #include "chrome/browser/extensions/device_permissions_dialog_controller.h"
 #include "chrome/browser/ui/views/device_chooser_content_view.h"
+#include "chrome/browser/ui/views/harmony/layout_delegate.h"
 #include "components/constrained_window/constrained_window_views.h"
 #include "components/web_modal/web_contents_modal_dialog_manager.h"
 #include "content/public/browser/browser_thread.h"
 #include "ui/gfx/geometry/insets.h"
+#include "ui/views/background.h"
 #include "ui/views/controls/link.h"
 #include "ui/views/controls/styled_label.h"
-#include "ui/views/layout/layout_constants.h"
+#include "ui/views/layout/fill_layout.h"
 #include "ui/views/window/dialog_client_view.h"
 
 ChooserDialogView::ChooserDialogView(
@@ -72,7 +74,20 @@ views::View* ChooserDialogView::CreateFootnoteView() {
 views::ClientView* ChooserDialogView::CreateClientView(views::Widget* widget) {
   views::DialogClientView* client =
       new views::DialogClientView(widget, GetContentsView());
-  client->set_button_row_insets(gfx::Insets());
+
+  constexpr int kMinWidth = 402;
+  constexpr int kMinHeight = 320;
+  int min_width = LayoutDelegate::Get()->GetDialogPreferredWidth(
+      LayoutDelegate::DialogWidth::MEDIUM);
+  if (!min_width)
+    min_width = kMinWidth;
+  client->set_minimum_size(gfx::Size(min_width, kMinHeight));
+
+  LayoutDelegate* delegate = LayoutDelegate::Get();
+  client->set_button_row_insets(gfx::Insets(
+      delegate->GetMetric(
+          LayoutDelegate::Metric::UNRELATED_CONTROL_VERTICAL_SPACING),
+      0, 0, 0));
   return client;
 }
 
@@ -82,8 +97,8 @@ views::NonClientFrameView* ChooserDialogView::CreateNonClientFrameView(
   // always be true.
   DCHECK(ShouldUseCustomFrame());
   return views::DialogDelegate::CreateDialogFrameView(
-      widget, gfx::Insets(views::kPanelVertMargin, views::kPanelHorizMargin,
-                          views::kPanelVertMargin, views::kPanelHorizMargin));
+      widget, gfx::Insets(LayoutDelegate::Get()->GetMetric(
+                  LayoutDelegate::Metric::PANEL_CONTENT_MARGIN)));
 }
 
 bool ChooserDialogView::Accept() {