Add compile time checks against longs being used in IPC structs on 32 bit Android.

components/autofill/core/common/form_field_data.cc

 // Copyright 2013 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 "components/autofill/core/common/form_field_data.h"
 
 #include "base/pickle.h"
 #include "base/strings/string_util.h"
 #include "base/strings/utf_string_conversions.h"
 
@@ skipping 39 matching lines @@
   return true;
 }
 
 bool DeserializeCommonSection1(base::PickleIterator* iter,
                                FormFieldData* field_data) {
   return iter->ReadString16(&field_data->label) &&
          iter->ReadString16(&field_data->name) &&
          iter->ReadString16(&field_data->value) &&
          iter->ReadString(&field_data->form_control_type) &&
          iter->ReadString(&field_data->autocomplete_attribute) &&
-         iter->ReadSizeT(&field_data->max_length) &&
+         iter->ReadUInt32(&field_data->max_length) &&
          iter->ReadBool(&field_data->is_autofilled) &&
          iter->ReadBool(&field_data->is_checked) &&
          iter->ReadBool(&field_data->is_checkable) &&
          iter->ReadBool(&field_data->is_focusable) &&
          iter->ReadBool(&field_data->should_autocomplete);
 }
 
 bool DeserializeCommonSection2(base::PickleIterator* iter,
                                FormFieldData* field_data) {
   return ReadAsInt(iter, &field_data->text_direction) &&
@@ skipping 77 matching lines @@
 }
 
 void SerializeFormFieldData(const FormFieldData& field_data,
                             base::Pickle* pickle) {
   pickle->WriteInt(kPickleVersion);
   pickle->WriteString16(field_data.label);
   pickle->WriteString16(field_data.name);
   pickle->WriteString16(field_data.value);
   pickle->WriteString(field_data.form_control_type);
   pickle->WriteString(field_data.autocomplete_attribute);
-  pickle->WriteSizeT(field_data.max_length);
+  pickle->WriteUInt32(field_data.max_length);
   pickle->WriteBool(field_data.is_autofilled);
   pickle->WriteBool(field_data.is_checked);
   pickle->WriteBool(field_data.is_checkable);
   pickle->WriteBool(field_data.is_focusable);
   pickle->WriteBool(field_data.should_autocomplete);
   pickle->WriteInt(field_data.role);
   pickle->WriteInt(field_data.text_direction);
   AddVectorToPickle(field_data.option_values, pickle);
   AddVectorToPickle(field_data.option_contents, pickle);
 }
@@ skipping 41 matching lines @@
             << " " << field.autocomplete_attribute << " " << field.max_length
             << " " << (field.is_autofilled ? "true" : "false") << " "
             << (field.is_checked ? "true" : "false") << " "
             << (field.is_checkable ? "true" : "false") << " "
             << (field.is_focusable ? "true" : "false") << " "
             << (field.should_autocomplete ? "true" : "false") << " "
             << field.role << " " << field.text_direction;
 }
 
 }  // namespace autofill