PlzNavigate: preserve SourceLocation when navigating

content/common/frame_messages.h

 // 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.
 
 // IPC messages for interacting with frames.
 // Multiply-included message file, hence no include guard.
 
 #include <stddef.h>
 #include <stdint.h>
 
@@ skipping 312 matching lines @@
   // The origin of the source frame.
   IPC_STRUCT_MEMBER(base::string16, source_origin)
 
   // The origin for the message's target.
   IPC_STRUCT_MEMBER(base::string16, target_origin)
 
   // Information about the MessagePorts this message contains.
   IPC_STRUCT_MEMBER(std::vector<content::MessagePort>, message_ports)
 IPC_STRUCT_END()
 
+IPC_STRUCT_TRAITS_BEGIN(content::SourceLocation)
+  IPC_STRUCT_TRAITS_MEMBER(url)
+  IPC_STRUCT_TRAITS_MEMBER(line_number)
+  IPC_STRUCT_TRAITS_MEMBER(column_number)
+IPC_STRUCT_TRAITS_END()
+
 IPC_STRUCT_TRAITS_BEGIN(content::CommonNavigationParams)
   IPC_STRUCT_TRAITS_MEMBER(url)
   IPC_STRUCT_TRAITS_MEMBER(referrer)
   IPC_STRUCT_TRAITS_MEMBER(transition)
   IPC_STRUCT_TRAITS_MEMBER(navigation_type)
   IPC_STRUCT_TRAITS_MEMBER(allow_download)
   IPC_STRUCT_TRAITS_MEMBER(should_replace_current_entry)
   IPC_STRUCT_TRAITS_MEMBER(ui_timestamp)
   IPC_STRUCT_TRAITS_MEMBER(report_type)
   IPC_STRUCT_TRAITS_MEMBER(base_url_for_data_url)
   IPC_STRUCT_TRAITS_MEMBER(history_url_for_data_url)
   IPC_STRUCT_TRAITS_MEMBER(previews_state)
   IPC_STRUCT_TRAITS_MEMBER(navigation_start)
   IPC_STRUCT_TRAITS_MEMBER(method)
   IPC_STRUCT_TRAITS_MEMBER(post_data)
+  IPC_STRUCT_TRAITS_MEMBER(source_location)
 IPC_STRUCT_TRAITS_END()
 
 IPC_STRUCT_TRAITS_BEGIN(content::BeginNavigationParams)
   IPC_STRUCT_TRAITS_MEMBER(headers)
   IPC_STRUCT_TRAITS_MEMBER(load_flags)
   IPC_STRUCT_TRAITS_MEMBER(has_user_gesture)
   IPC_STRUCT_TRAITS_MEMBER(skip_service_worker)
   IPC_STRUCT_TRAITS_MEMBER(request_context_type)
   IPC_STRUCT_TRAITS_MEMBER(mixed_content_context_type)
   IPC_STRUCT_TRAITS_MEMBER(searchable_form_url)
@@ skipping 1253 matching lines @@
 // nearest find result in the sending frame.
 IPC_MESSAGE_ROUTED2(FrameHostMsg_GetNearestFindResult_Reply,
                     int /* nfr_request_id */,
                     float /* distance */)
 #endif
 
 // Adding a new message? Stick to the sort order above: first platform
 // independent FrameMsg, then ifdefs for platform specific FrameMsg, then
 // platform independent FrameHostMsg, then ifdefs for platform specific
 // FrameHostMsg.