Fix the Web Bluetooth chooser when it is used on Chrome apps on non-Mac

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 da13e010d7215e23d6e69636f4ea58295043d320..af8b36842831ef4a01a1b3d370c5cc70564eedde 100644
--- a/chrome/browser/ui/views/extensions/chooser_dialog_view.cc
+++ b/chrome/browser/ui/views/extensions/chooser_dialog_view.cc
@@ -11,8 +11,10 @@
 #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/controls/link.h"
 #include "ui/views/controls/styled_label.h"
+#include "ui/views/layout/layout_constants.h"
 #include "ui/views/window/dialog_client_view.h"
 
 ChooserDialogView::ChooserDialogView(
@@ -64,6 +66,23 @@ views::View* ChooserDialogView::CreateFootnoteView() {
   return chooser_content_view_->CreateFootnoteView();
 }
 
+views::ClientView* ChooserDialogView::CreateClientView(views::Widget* widget) {
+  views::DialogClientView* client =
+      new views::DialogClientView(widget, GetContentsView());
+  client->set_button_row_insets(gfx::Insets());
+  return client;
+}
+
+views::NonClientFrameView* ChooserDialogView::CreateNonClientFrameView(
+    views::Widget* widget) {
+  if (ShouldUseCustomFrame()) {
+    return views::DialogDelegate::CreateDialogFrameView(
+        widget, gfx::Insets(views::kPanelVertMargin, views::kPanelHorizMargin,
+                            views::kPanelVertMargin, views::kPanelHorizMargin));
+  }
+  return DialogDelegate::CreateNonClientFrameView(widget);
+}
+
 bool ChooserDialogView::Accept() {
   chooser_content_view_->Accept();
   return true;