Remove the socket_count parameter from NaCl Launch IPC messages.

chrome/renderer/pepper/ppb_nacl_private_impl.cc

Index: chrome/renderer/pepper/ppb_nacl_private_impl.cc
diff --git a/chrome/renderer/pepper/ppb_nacl_private_impl.cc b/chrome/renderer/pepper/ppb_nacl_private_impl.cc
index ab0801adfcdca24a1517e5e92237acf2a2f6cef4..647ac586c0fd49762d991111db2eccaebe9ac98c 100644
--- a/chrome/renderer/pepper/ppb_nacl_private_impl.cc
+++ b/chrome/renderer/pepper/ppb_nacl_private_impl.cc
@@ -70,9 +70,8 @@ PP_NaClResult LaunchSelLdr(PP_Instance instance,
                            const char* alleged_url,
                            PP_Bool uses_ppapi,
                            PP_Bool enable_ppapi_dev,
-                           int socket_count,
-                           void* imc_handles) {
-  std::vector<nacl::FileDescriptor> sockets;
+                           void* imc_handle) {
+  nacl::FileDescriptor result_socket;
   IPC::Sender* sender = content::RenderThread::Get();
   if (sender == NULL)
     sender = g_background_thread_sender.Pointer()->get();
@@ -104,7 +103,7 @@ PP_NaClResult LaunchSelLdr(PP_Instance instance,
           instance_info.url,
           routing_id,
           perm_bits,
-          socket_count, &sockets,
+          &result_socket,
           &instance_info.channel_handle,
           &instance_info.plugin_pid,
           &instance_info.plugin_child_id))) {
@@ -120,11 +119,8 @@ PP_NaClResult LaunchSelLdr(PP_Instance instance,
   if (!invalid_handle)
     g_instance_info.Get()[instance] = instance_info;
 
-  CHECK(static_cast<int>(sockets.size()) == socket_count);
-  for (int i = 0; i < socket_count; i++) {
-    static_cast<nacl::Handle*>(imc_handles)[i] =
-        nacl::ToNativeHandle(sockets[i]);
-  }
+  *(static_cast<nacl::Handle*>(imc_handle)) =
+      nacl::ToNativeHandle(result_socket);
 
   return PP_NACL_OK;
 }