Generate param traits size methods for IPC files in chrome/ (and traits it depends on).

components/translate/content/common/data_file_cld_data_provider_messages.cc

 // Copyright 2014 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.
 
 // NOT DEAD CODE!
 // This code isn't dead, even if it isn't currently being used. Please refer to:
 // https://www.chromium.org/developers/how-tos/compact-language-detector-cld-data-source-configuration
 
 // Get basic type definitions.
 #define IPC_MESSAGE_IMPL
 #include "components/translate/content/common/data_file_cld_data_provider_messages.h"
 
 // Generate constructors.
 #include "ipc/struct_constructor_macros.h"
 #include "components/translate/content/common/data_file_cld_data_provider_messages.h"
 
 // Generate destructors.
 #include "ipc/struct_destructor_macros.h"
 #include "components/translate/content/common/data_file_cld_data_provider_messages.h"
 
+// Generate param traits size methods.
+#include "ipc/param_traits_size_macros.h"
+namespace IPC {
+#include "components/translate/content/common/data_file_cld_data_provider_messages.h"
+}  // namespace IPC
+
 // Generate param traits write methods.
 #include "ipc/param_traits_write_macros.h"
 namespace IPC {
 #include "components/translate/content/common/data_file_cld_data_provider_messages.h"
 }  // namespace IPC
 
 // Generate param traits read methods.
 #include "ipc/param_traits_read_macros.h"
 namespace IPC {
 #include "components/translate/content/common/data_file_cld_data_provider_messages.h"
 }  // namespace IPC
 
 // Generate param traits log methods.
 #include "ipc/param_traits_log_macros.h"
 namespace IPC {
 #include "components/translate/content/common/data_file_cld_data_provider_messages.h"
 }  // namespace IPC