Error handling added

chrome/browser/browser_main.cc

 // Copyright (c) 2010 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 597 matching lines @@
   bool local_state_file_exists = file_util::PathExists(local_state_path);
 
   // Load local state.  This includes the application locale so we know which
   // locale dll to load.
   PrefService* local_state = g_browser_process->local_state();
   DCHECK(local_state);
 
   // Initialize ResourceBundle which handles files loaded from external
   // sources. This has to be done before uninstall code path and before prefs
   // are registered.
-  local_state->RegisterStringPref(prefs::kApplicationLocale, "");
+  local_state->RegisterStringPref(prefs::kApplicationLocale,
+                                  std::string());
 #if !defined(OS_CHROMEOS)
   local_state->RegisterBooleanPref(prefs::kMetricsReportingEnabled,
       GoogleUpdateSettings::GetCollectStatsConsent());
 #endif  // !defined(OS_CHROMEOS)
 
   if (is_first_run) {
 #if defined(OS_WIN)
     // During first run we read the google_update registry key to find what
     // language the user selected when downloading the installer. This
     // becomes our default language in the prefs.
@@ skipping 515 matching lines @@
     g_browser_process->SetApplicationLocale("en-US");
   } else {
     // Mac starts it earlier in |PreMainMessageLoopStart()| (because it is
     // needed when loading the MainMenu.nib and the language doesn't depend on
     // anything since it comes from Cocoa.
 #if defined(OS_MACOSX)
     g_browser_process->SetApplicationLocale(l10n_util::GetLocaleOverride());
 #else
     // On a POSIX OS other than ChromeOS, the parameter that is passed to the
     // method InitSharedInstance is ignored.
-    std::string app_locale = ResourceBundle::InitSharedInstance(
-        local_state->GetString(prefs::kApplicationLocale));
-    g_browser_process->SetApplicationLocale(app_locale);
+    const std::string locale =
+        local_state->GetString(prefs::kApplicationLocale);
+    const std::string loaded_locale =
+        ResourceBundle::InitSharedInstance(locale);
+    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(OS_POSIX) && !defined(OS_MACOSX) && !defined(OS_CHROMEOS)
   // gdk_pixbuf_loader_write always fails on chromeos device.
   // Disabling for chromeos as well because chromeos is not using them.
@@ skipping 558 matching lines @@
 #if defined(OS_CHROMEOS)
   // To be precise, logout (browser shutdown) is not yet done, but the
   // remaining work is negligible, hence we say LogoutDone here.
   chromeos::BootTimesLoader::Get()->AddLogoutTimeMarker("LogoutDone",
                                                         false);
   chromeos::BootTimesLoader::Get()->WriteLogoutTimes();
 #endif
   TRACE_EVENT_END("BrowserMain", 0, 0);
   return result_code;
 }