Move message flags into a separate header that can be used

chrome/browser/views/restart_message_box.cc

Index: chrome/browser/views/restart_message_box.cc
diff --git a/chrome/browser/views/restart_message_box.cc b/chrome/browser/views/restart_message_box.cc
index 42f734daf8c8564585902e26009afa3a422949ca..e61e23f7bb0f0d4916175e70571a9bc029b4d88b 100644
--- a/chrome/browser/views/restart_message_box.cc
+++ b/chrome/browser/views/restart_message_box.cc
@@ -5,6 +5,7 @@
 #include "chrome/browser/views/restart_message_box.h"
 
 #include "chrome/common/l10n_util.h"
+#include "chrome/common/message_box_flags.h"
 #include "chrome/views/controls/message_box_view.h"
 #include "chrome/views/window/window.h"
 #include "grit/chromium_strings.h"
@@ -52,7 +53,7 @@ RestartMessageBox::RestartMessageBox(HWND parent_hwnd) {
   const int kDialogWidth = 400;
   // Also deleted when the window closes.
   message_box_view_ = new MessageBoxView(
-      MessageBoxView::kFlagHasMessage | MessageBoxView::kFlagHasOKButton,
+      MessageBox::kFlagHasMessage | MessageBox::kFlagHasOKButton,
       l10n_util::GetString(IDS_OPTIONS_RESTART_REQUIRED).c_str(),
       std::wstring(),
       kDialogWidth);