Enable MD by default on Windows for Canary/Dev and local builds.

chrome/browser/ui/startup/bad_flags_prompt.cc

Index: chrome/browser/ui/startup/bad_flags_prompt.cc
diff --git a/chrome/browser/ui/startup/bad_flags_prompt.cc b/chrome/browser/ui/startup/bad_flags_prompt.cc
index 51039e243cb2adaebd1fc087a7767dd4bd635437..c97fb22460488202b915d76d9efc7a98b02d8a17 100644
--- a/chrome/browser/ui/startup/bad_flags_prompt.cc
+++ b/chrome/browser/ui/startup/bad_flags_prompt.cc
@@ -125,17 +125,8 @@ void MaybeShowInvalidUserDataDirWarningDialog() {
 
   startup_metric_utils::SetNonBrowserUIDisplayed();
 
-  // Ensure the ResourceBundle is initialized for string resource access.
-  bool cleanup_resource_bundle = false;
-  if (!ResourceBundle::HasSharedInstance()) {
-    cleanup_resource_bundle = true;
-    std::string locale = l10n_util::GetApplicationLocale(std::string());
-    const char kUserDataDirDialogFallbackLocale[] = "en-US";
-    if (locale.empty())
-      locale = kUserDataDirDialogFallbackLocale;
-    ui::ResourceBundle::InitSharedInstanceWithLocale(
-        locale, NULL, ui::ResourceBundle::DO_NOT_LOAD_COMMON_RESOURCES);
-  }
+  // The ResourceBundle hasn't been loaded yet, but we need strings from it.
+  ResourceBundle::TemporaryLoader loader;
 
   const base::string16& title =
       l10n_util::GetStringUTF16(IDS_CANT_WRITE_USER_DIRECTORY_TITLE);
@@ -143,9 +134,6 @@ void MaybeShowInvalidUserDataDirWarningDialog() {
       l10n_util::GetStringFUTF16(IDS_CANT_WRITE_USER_DIRECTORY_SUMMARY,
                                  user_data_dir.LossyDisplayName());
 
-  if (cleanup_resource_bundle)
-    ResourceBundle::CleanupSharedInstance();
-
   // More complex dialogs cannot be shown before the earliest calls here.
   ShowWarningMessageBox(NULL, title, message);
 }