Expose the sandbox related code through the content API. I did a bit of cleanup while I was doing...

content/ppapi_plugin/ppapi_thread.cc

 // Copyright (c) 2011 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/ppapi_plugin/ppapi_thread.h"
 
 #include <limits>
 
 #include "base/command_line.h"
 #include "base/process_util.h"
 #include "base/rand_util.h"
 #include "base/stringprintf.h"
 #include "content/common/child_process.h"
-#include "content/common/sandbox_init_wrapper.h"
 #include "content/ppapi_plugin/broker_process_dispatcher.h"
 #include "content/ppapi_plugin/plugin_process_dispatcher.h"
 #include "content/ppapi_plugin/ppapi_webkit_thread.h"
 #include "content/public/common/content_switches.h"
+#include "content/public/common/sandbox_init.h"
 #include "ipc/ipc_channel_handle.h"
 #include "ipc/ipc_sync_channel.h"
 #include "ppapi/c/dev/ppp_network_state_dev.h"
 #include "ppapi/c/pp_errors.h"
 #include "ppapi/c/ppp.h"
 #include "ppapi/proxy/ppapi_messages.h"
 #include "ppapi/proxy/interface_list.h"
 #include "webkit/plugins/ppapi/webkit_forwarding_impl.h"
 
 #if defined(OS_WIN)
@@ skipping 165 matching lines @@
             library.GetFunctionPointer("PPP_GetInterface"));
     if (!get_plugin_interface_) {
       LOG(WARNING) << "No PPP_GetInterface in plugin library";
       return;
     }
 
 #if defined(OS_MACOSX)
     // We need to do this after getting |PPP_GetInterface()| (or presumably
     // doing something nontrivial with the library), else the sandbox
     // intercedes.
-    CommandLine* parsed_command_line = CommandLine::ForCurrentProcess();
-    SandboxInitWrapper sandbox_wrapper;
-    if (!sandbox_wrapper.InitializeSandbox(*parsed_command_line,
-                                           switches::kPpapiPluginProcess))
+    if (!content::InitializeSandbox()) {
       LOG(WARNING) << "Failed to initialize sandbox";
+    }
 #endif
 
     // Get the InitializeModule function (required).
     ppapi::proxy::Dispatcher::InitModuleFunc init_module =
         reinterpret_cast<ppapi::proxy::Dispatcher::InitModuleFunc>(
             library.GetFunctionPointer("PPP_InitializeModule"));
     if (!init_module) {
       LOG(WARNING) << "No PPP_InitializeModule in plugin library";
       return;
     }
@@ skipping 82 matching lines @@
 #if defined(OS_POSIX)
   // On POSIX, pass the renderer-side FD.
   handle->socket = base::FileDescriptor(::dup(dispatcher->GetRendererFD()),
                                         true);
 #endif
 
   // From here, the dispatcher will manage its own lifetime according to the
   // lifetime of the attached channel.
   return true;
 }