[Autofill] Determine Popup RTLness from page

components/autofill/common/autofill_messages.h

 // 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.
 
 // Multiply-included message file, hence no include guard.
 
 #include <string>
 
 #include "base/time.h"
 #include "components/autofill/common/autocheckout_status.h"
 #include "components/autofill/common/form_data.h"
 #include "components/autofill/common/form_data_predictions.h"
 #include "components/autofill/common/form_field_data.h"
 #include "components/autofill/common/form_field_data_predictions.h"
 #include "components/autofill/common/forms_seen_state.h"
 #include "components/autofill/common/password_form_fill_data.h"
 #include "components/autofill/common/web_element_descriptor.h"
 #include "content/public/common/common_param_traits.h"
 #include "content/public/common/common_param_traits_macros.h"
 #include "content/public/common/password_form.h"
 #include "content/public/common/ssl_status.h"
 #include "googleurl/src/gurl.h"
 #include "ipc/ipc_message_macros.h"
 #include "ipc/ipc_message_utils.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebFormElement.h"
 #include "ui/gfx/rect.h"
 
 #define IPC_MESSAGE_START AutofillMsgStart
 
-IPC_ENUM_TRAITS(autofill::AutocheckoutStatus)
-IPC_ENUM_TRAITS(autofill::FormsSeenState)
+IPC_ENUM_TRAITS_MAX_VALUE(autofill::AutocheckoutStatus,
+                          autofill::AUTOCHECKOUT_STATUS_NUM_STATUS - 1)
+IPC_ENUM_TRAITS_MAX_VALUE(autofill::FormsSeenState,
+                          autofill::FORMS_SEEN_STATE_NUM_STATES - 1)
+IPC_ENUM_TRAITS_MAX_VALUE(base::i18n::TextDirection,
+                          base::i18n::TEXT_DIRECTION_NUM_DIRECTIONS - 1)
 
 IPC_STRUCT_TRAITS_BEGIN(autofill::WebElementDescriptor)
   IPC_STRUCT_TRAITS_MEMBER(descriptor)
   IPC_STRUCT_TRAITS_MEMBER(retrieval_method)
 IPC_STRUCT_TRAITS_END()
 
 IPC_ENUM_TRAITS(autofill::WebElementDescriptor::RetrievalMethod)
 
 IPC_STRUCT_TRAITS_BEGIN(autofill::FormFieldData)
   IPC_STRUCT_TRAITS_MEMBER(label)
   IPC_STRUCT_TRAITS_MEMBER(name)
   IPC_STRUCT_TRAITS_MEMBER(value)
   IPC_STRUCT_TRAITS_MEMBER(form_control_type)
   IPC_STRUCT_TRAITS_MEMBER(autocomplete_attribute)
   IPC_STRUCT_TRAITS_MEMBER(max_length)
   IPC_STRUCT_TRAITS_MEMBER(is_autofilled)
   IPC_STRUCT_TRAITS_MEMBER(is_checked)
   IPC_STRUCT_TRAITS_MEMBER(is_checkable)
   IPC_STRUCT_TRAITS_MEMBER(is_focusable)
   IPC_STRUCT_TRAITS_MEMBER(should_autocomplete)
+  IPC_STRUCT_TRAITS_MEMBER(text_direction)
   IPC_STRUCT_TRAITS_MEMBER(option_values)
   IPC_STRUCT_TRAITS_MEMBER(option_contents)
 IPC_STRUCT_TRAITS_END()
 
 IPC_STRUCT_TRAITS_BEGIN(autofill::FormFieldDataPredictions)
   IPC_STRUCT_TRAITS_MEMBER(field)
   IPC_STRUCT_TRAITS_MEMBER(signature)
   IPC_STRUCT_TRAITS_MEMBER(heuristic_type)
   IPC_STRUCT_TRAITS_MEMBER(server_type)
   IPC_STRUCT_TRAITS_MEMBER(overall_type)
@@ skipping 231 matching lines @@
                     autofill::FormFieldData /* the form field */,
                     gfx::RectF /* input field bounds, window-relative */,
                     std::vector<base::string16> /* suggestions */)
 
 // Inform browser of data list values for the curent field.
 IPC_MESSAGE_ROUTED4(AutofillHostMsg_SetDataList,
                     std::vector<base::string16> /* values */,
                     std::vector<base::string16> /* labels */,
                     std::vector<base::string16> /* icons */,
                     std::vector<int> /* unique ids */)