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..f26a3ca36ff3f762b18f865a1d3585ea9c5e654f 100644
--- a/chrome/browser/browser_main_win.cc
+++ b/chrome/browser/browser_main_win.cc
@@ -83,6 +83,13 @@ void WarnAboutMinimumSystemRequirements() {
   }
 }
 
+void ShowMissingLocaleMessageBox(const char* message, const char* title) {
+  string16 message_utf16 = ASCIIToUTF16(message);
+  string16 title_utf16 = ASCIIToUTF16(title);
+  ui::MessageBox(NULL, message_utf16, title_utf16,
+                 MB_OK | MB_ICONERROR | MB_TOPMOST);
+}
+
 void RecordBrowserStartupTime() {
   // Calculate the time that has elapsed from our own process creation.
   FILETIME creation_time = {};