Add application locale policy.

chrome/app/chrome_dll_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.
 
 // TODO(port): the ifdefs in here are a first step towards trying to determine
 // the correct abstraction for all the OS functionality required at this
 // stage of process initialization. It should not be taken as a final
 // abstraction.
 
 #include "build/build_config.h"
@@ skipping 700 matching lines @@
 #endif
   }
 #endif  // NDEBUG
 
   if (SubprocessNeedsResourceBundle(process_type)) {
     // Initialize ResourceBundle which handles files loaded from external
     // sources.  The language should have been passed in to us from the
     // browser process as a command line flag.
     DCHECK(parsed_command_line.HasSwitch(switches::kLang) ||
            process_type == switches::kZygoteProcess);
-    ResourceBundle::InitSharedInstance(std::wstring());
+
+    // TODO(markusheintz): The command line flag --lang is actually processed
+    // by the CommandLinePrefStore, and made available through the PrefService
+    // via the preference prefs::kApplicationLocale. The browser process uses
+    // the --lang flag to passe the value of the PrefService in here. Maybe this
+    // value could be passed in a different way.
+    ResourceBundle::InitSharedInstance(
+        parsed_command_line.GetSwitchValue(switches::kLang));
 
 #if defined(OS_MACOSX)
     // Update the process name (need resources to get the strings, so
     // only do this when ResourcesBundle has been initialized).
     SetMacProcessName(process_type);
 #endif  // defined(OS_MACOSX)
   }
 
   if (!process_type.empty())
     CommonSubprocessInit();
@@ skipping 151 matching lines @@
 
   logging::CleanupChromeLogging();
 
 #if defined(OS_MACOSX) && defined(GOOGLE_CHROME_BUILD)
   // TODO(mark): See the TODO(mark) above at InitCrashReporter.
   DestructCrashReporter();
 #endif  // OS_MACOSX && GOOGLE_CHROME_BUILD
 
   return rv;
 }