Do not record startup metrics when non-browser UI was displayed

chrome/browser/ui/views/simple_message_box_views.cc

Index: chrome/browser/ui/views/simple_message_box_views.cc
diff --git a/chrome/browser/ui/views/simple_message_box_views.cc b/chrome/browser/ui/views/simple_message_box_views.cc
index e89c673e525f2a37b22acac4b3948fa2b94514c5..98adff725805a22a3839c7c634a223b49abf12da 100644
--- a/chrome/browser/ui/views/simple_message_box_views.cc
+++ b/chrome/browser/ui/views/simple_message_box_views.cc
@@ -8,8 +8,10 @@
 #include "base/compiler_specific.h"
 #include "base/message_loop/message_loop.h"
 #include "base/run_loop.h"
+#include "chrome/browser/ui/simple_message_box_internal.h"
 #include "chrome/grit/generated_resources.h"
 #include "components/constrained_window/constrained_window_views.h"
+#include "components/startup_metric_utils/startup_metric_utils.h"
 #include "ui/base/l10n/l10n_util.h"
 #include "ui/base/resource/resource_bundle.h"
 #include "ui/gfx/native_widget_types.h"
@@ -205,6 +207,10 @@ MessageBoxResult ShowMessageBoxImpl(gfx::NativeWindow parent,
                                     MessageBoxType type,
                                     const base::string16& yes_text,
                                     const base::string16& no_text) {
+  startup_metric_utils::SetNonBrowserUIDisplayed();
+  if (internal::g_should_skip_message_box_for_test)
+    return MESSAGE_BOX_RESULT_YES;
+
   // Views dialogs cannot be shown outside the UI thread message loop or if the
   // ResourceBundle is not initialized yet.
   // Fallback to logging with a default response or a Windows MessageBox.