If no locale data files can be found, show a dialog and exit

chrome/browser/browser_main_win.cc

Index: chrome/browser/browser_main_win.cc
diff --git a/chrome/browser/browser_main_win.cc b/chrome/browser/browser_main_win.cc
index 55714f73fad16e83492b5b279ceb4ccd779ba278..0d1306e662e9a5a10c566634d71c192587bf2903 100644
--- a/chrome/browser/browser_main_win.cc
+++ b/chrome/browser/browser_main_win.cc
@@ -83,6 +83,12 @@ void WarnAboutMinimumSystemRequirements() {
   }
 }
 
+void ShowMissingLocaleMessageBox() {
+  ui::MessageBox(NULL, ASCIIToUTF16(chrome_browser::kMissingLocaleDataMessage),
+                 ASCIIToUTF16(chrome_browser::kMissingLocaleDataTitle),
+                 MB_OK | MB_ICONERROR | MB_TOPMOST);
+}
+
 void RecordBrowserStartupTime() {
   // Calculate the time that has elapsed from our own process creation.
   FILETIME creation_time = {};