Propogate the UI language on the command line and expose to Flash.

content/browser/ppapi_plugin_process_host.cc

 // Copyright (c) 2012 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 "content/browser/ppapi_plugin_process_host.h"
 
 #include <string>
 
 #include "base/base_switches.h"
 #include "base/command_line.h"
 #include "base/file_path.h"
 #include "base/process_util.h"
 #include "base/utf_string_conversions.h"
 #include "content/browser/browser_child_process_host_impl.h"
 #include "content/browser/plugin_service_impl.h"
 #include "content/browser/renderer_host/render_message_filter.h"
 #include "content/common/child_process_host_impl.h"
 #include "content/common/child_process_messages.h"
+#include "content/public/browser/content_browser_client.h"
 #include "content/public/common/content_switches.h"
 #include "content/public/common/pepper_plugin_info.h"
 #include "content/public/common/process_type.h"
 #include "ipc/ipc_switches.h"
 #include "net/base/network_change_notifier.h"
 #include "ppapi/proxy/ppapi_messages.h"
+#include "ui/base/ui_base_switches.h"
 #include "webkit/plugins/plugin_switches.h"
 
 using content::ChildProcessHost;
 using content::ChildProcessHostImpl;
 
 class PpapiPluginProcessHost::PluginNetworkObserver
     : public net::NetworkChangeNotifier::IPAddressObserver,
       public net::NetworkChangeNotifier::ConnectionTypeObserver {
  public:
   explicit PluginNetworkObserver(PpapiPluginProcessHost* process_host)
@@ skipping 147 matching lines @@
     static const char* kPluginForwardSwitches[] = {
       switches::kNoSandbox,
       switches::kDisableSeccompFilterSandbox,
       switches::kPpapiFlashArgs,
       switches::kPpapiStartupDialog
     };
     cmd_line->CopySwitchesFrom(browser_command_line, kPluginForwardSwitches,
                                arraysize(kPluginForwardSwitches));
   }
 
+  std::string locale =
+      content::GetContentClient()->browser()->GetApplicationLocale();
+  if (!locale.empty()) {
+    // Pass on the locale so the plugin will know what language we're using.
+    cmd_line->AppendSwitchASCII(switches::kLang, locale);
+  }
+
   if (!plugin_launcher.empty())
     cmd_line->PrependWrapper(plugin_launcher);
 
   // On posix, never use the zygote for the broker. Also, only use the zygote if
   // the plugin is sandboxed, and we are not using a plugin launcher - having a
   // plugin launcher means we need to use another process instead of just
   // forking the zygote.
 #if defined(OS_POSIX)
   bool use_zygote = !is_broker_ && plugin_launcher.empty() && info.is_sandboxed;
   if (!info.is_sandboxed)
@@ skipping 86 matching lines @@
   if (sent_requests_.empty())
     return;
 
   // All requests should be processed FIFO, so the next item in the
   // sent_requests_ queue should be the one that the plugin just created.
   Client* client = sent_requests_.front();
   sent_requests_.pop();
 
   client->OnPpapiChannelOpened(channel_handle, process_->GetData().id);
 }