linux: set LC_NUMERIC to C for all non-browser processes

chrome/app/chrome_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 "app/app_paths.h"
 #include "app/app_switches.h"
 #include "base/at_exit.h"
 #include "base/command_line.h"
 #include "base/debug/debugger.h"
 #include "base/i18n/icu_util.h"
@@ skipping 354 matching lines @@
 
 void CommonSubprocessInit() {
 #if defined(OS_WIN)
   // HACK: Let Windows know that we have started.  This is needed to suppress
   // the IDC_APPSTARTING cursor from being displayed for a prolonged period
   // while a subprocess is starting.
   PostThreadMessage(GetCurrentThreadId(), WM_NULL, 0, 0);
   MSG msg;
   PeekMessage(&msg, NULL, 0, 0, PM_REMOVE);
 #endif
+#if defined(OS_POSIX) && !defined(OS_MACOSX)
+  // Various things break when you're using a locale where the decimal
+  // separator isn't a period.  See e.g. bugs 22782 and 39964.  For
+  // all processes except the browser process (where we call system
+  // APIs that may rely on the correct locale for formatting numbers
+  // when presenting them to the user), reset the locale for numeric
+  // formatting.
+  // Note that this is not correct for plugin processes -- they can
+  // surface UI -- but it's likely they get this wrong too so why not.
+  setlocale(LC_NUMERIC, "C");

[piman, 2011/01/31 23:11:01]

I'm not sure setting it for plugins is a good idea though... I know Flash at
least looks at LC_NUMERIC.

+#endif
 }
 
 // Returns true if this subprocess type needs the ResourceBundle initialized
 // and resources loaded.
 bool SubprocessNeedsResourceBundle(const std::string& process_type) {
   return
 #if defined(OS_WIN) || defined(OS_MACOSX)
       // Windows needs resources for the default/null plugin.
       // Mac needs them for the plugin process name.
       process_type == switches::kPluginProcess ||
@@ skipping 538 matching lines @@
 
   int exit_code = RunNamedProcessTypeMain(process_type, main_params);
 
   if (SubprocessNeedsResourceBundle(process_type))
     ResourceBundle::CleanupSharedInstance();
 
   LowLevelShutdown();
 
   return exit_code;
 }