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

chrome/browser/browser_main.cc

 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/browser_main.h"
 
 #include <algorithm>
 #include <string>
 #include <vector>
 
@@ skipping 813 matching lines @@
       local_state->GetBoolean(prefs::kMetricsReportingEnabled);
   if (!breakpad_enabled && metrics_reporting_enabled->IsUserModifiable())
     breakpad_enabled = getenv(env_vars::kHeadless) != NULL;
 #endif  // #if defined(OS_CHROMEOS)
   return breakpad_enabled;
 }
 #endif  // #if defined(USE_LINUX_BREAKPAD)
 
 }  // namespace
 
+namespace chrome_browser {
+// This error message is not localized because we failed to load the
+// localization data files.
+const char kMissingLocaleDataTitle[] = "Missing File Error";
+const char kMissingLocaleDataMessage[] =
+    "Unable to find locale data files. Please reinstall.";
+}  // namespace chrome_browser
+
 // BrowserMainParts ------------------------------------------------------------
 
 BrowserMainParts::BrowserMainParts(const MainFunctionParams& parameters)
     : parameters_(parameters),
       parsed_command_line_(parameters.command_line_) {
 }
 
 BrowserMainParts::~BrowserMainParts() {
 }
 
@@ skipping 589 matching lines @@
     // anything since it comes from Cocoa.
 #if defined(OS_MACOSX)
     g_browser_process->SetApplicationLocale(l10n_util::GetLocaleOverride());
 #else
     const std::string locale =
         local_state->GetString(prefs::kApplicationLocale);
     // On a POSIX OS other than ChromeOS, the parameter that is passed to the
     // method InitSharedInstance is ignored.
     const std::string loaded_locale =
         ResourceBundle::InitSharedInstance(locale);
+    if (loaded_locale.empty() &&
+        !parsed_command_line.HasSwitch(switches::kNoErrorDialogs)) {
+      ShowMissingLocaleMessageBox();
+      return chrome::RESULT_CODE_MISSING_DATA;
+    }
     CHECK(!loaded_locale.empty()) << "Locale could not be found for " << locale;
     g_browser_process->SetApplicationLocale(loaded_locale);
 
     FilePath resources_pack_path;
     PathService::Get(chrome::FILE_RESOURCES_PACK, &resources_pack_path);
     ResourceBundle::AddDataPackToSharedInstance(resources_pack_path);
 #endif  // defined(OS_MACOSX)
   }
 
 #if defined(TOOLKIT_GTK)
@@ skipping 704 matching lines @@
   // (environment variable is set, and valid).
   std::string pre_read;
   if (env->GetVar(kEnvVar, &pre_read) && (pre_read == "0" || pre_read == "1")) {
     std::string uma_name(name);
     uma_name += "_PreRead";
     uma_name += pre_read == "1" ? "Enabled" : "Disabled";
     AddPreReadHistogramTime(uma_name.c_str(), time);
   }
 #endif
 }