Pass around preferred language to font fallback selection.

chrome/renderer/renderer_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.
 
 #if defined(OS_MACOSX)
 #include <signal.h>
 #include <unistd.h>
 #endif  // OS_MACOSX
 
 #include "base/command_line.h"
 #include "base/debug/trace_event.h"
+#include "base/i18n/rtl.h"
 #include "base/mac/scoped_nsautorelease_pool.h"
 #include "base/metrics/field_trial.h"
 #include "base/message_loop.h"
 #include "base/metrics/histogram.h"
 #include "base/metrics/stats_counters.h"
 #include "base/path_service.h"
 #include "base/process_util.h"
 #include "base/string_util.h"
 #include "base/threading/platform_thread.h"
 #include "chrome/common/chrome_constants.h"
 #include "chrome/common/chrome_counters.h"
 #include "chrome/common/chrome_switches.h"
 #include "chrome/common/gfx_resource_provider.h"
 #include "chrome/common/hi_res_timer_manager.h"
 #include "chrome/common/logging_chrome.h"
 #include "chrome/common/main_function_params.h"
 #include "chrome/common/net/net_resource_provider.h"
 #include "chrome/common/pepper_plugin_registry.h"
 #include "chrome/renderer/renderer_main_platform_delegate.h"
 #include "chrome/renderer/render_process_impl.h"
 #include "chrome/renderer/render_thread.h"
 #include "grit/generated_resources.h"
 #include "net/base/net_module.h"
 #include "ui/base/system_monitor/system_monitor.h"
+#include "ui/base/ui_base_switches.h"
 #include "ui/gfx/gfx_module.h"
 
 #if defined(OS_MACOSX)
 #include "base/eintr_wrapper.h"
 #include "chrome/app/breakpad_mac.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebView.h"
 #endif  // OS_MACOSX
 
 #if defined(USE_LINUX_BREAKPAD)
 #include "chrome/app/breakpad_linux.h"
@@ skipping 162 matching lines @@
   memset(&action, 0, sizeof(action));
   action.sa_handler = SIGTERMHandler;
   CHECK(sigaction(SIGTERM, &action, NULL) == 0);
 #endif  // OS_MACOSX
 
 #if defined(USE_LINUX_BREAKPAD)
   // Needs to be called after we have chrome::DIR_USER_DATA.
   InitCrashReporter();
 #endif
 
+#if defined(OS_CHROMEOS)
+  // As Zygote process starts up earlier than browser process gets its own
+  // locale (at login time for Chrome OS), we have to set the ICU default
+  // locale for renderer process here.
+  // ICU locale will be used for fallback font selection etc.
+  if (parsed_command_line.HasSwitch(switches::kLang)) {
+    const std::string locale =
+        parsed_command_line.GetSwitchValueASCII(switches::kLang);
+    base::i18n::SetICUDefaultLocale(locale);
+  }
+#endif
+
   // Configure modules that need access to resources.
   net::NetModule::SetResourceProvider(chrome_common_net::NetResourceProvider);
   gfx::GfxModule::SetResourceProvider(chrome::GfxResourceProvider);
 
   // This function allows pausing execution using the --renderer-startup-dialog
   // flag allowing us to attach a debugger.
   // Do not move this function down since that would mean we can't easily debug
   // whatever occurs before it.
   HandleRendererErrorTestParameters(parsed_command_line);
 
@@ skipping 70 matching lines @@
         pool->Recycle();
       TRACE_EVENT_BEGIN("RendererMain.START_MSG_LOOP", 0, 0);
       MessageLoop::current()->Run();
       TRACE_EVENT_END("RendererMain.START_MSG_LOOP", 0, 0);
     }
   }
   platform.PlatformUninitialize();
   TRACE_EVENT_END("RendererMain", 0, "");
   return 0;
 }