Extensions: Pass current channel and feature session type to extension unpack utility process.

extensions/common/extension_messages.h

 // 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.
 
 // IPC messages for extensions.
 // Multiply-included message file, hence no include guard.
 
 #include <stdint.h>
 
 #include <string>
 #include <vector>
 
 #include "base/memory/shared_memory.h"
 #include "base/values.h"
-#include "components/version_info/version_info.h"
 #include "content/public/common/common_param_traits.h"
 #include "content/public/common/socket_permission_request.h"
 #include "extensions/common/api/messaging/message.h"
 #include "extensions/common/api/messaging/port_id.h"
 #include "extensions/common/draggable_region.h"
 #include "extensions/common/event_filtering_info.h"
 #include "extensions/common/extension.h"
 #include "extensions/common/extensions_client.h"
-#include "extensions/common/features/feature_session_type.h"
+#include "extensions/common/feature_channel_param_traits.h"
+#include "extensions/common/feature_session_type_param_traits.h"
 #include "extensions/common/host_id.h"
 #include "extensions/common/permissions/media_galleries_permission_data.h"
 #include "extensions/common/permissions/permission_set.h"
 #include "extensions/common/permissions/socket_permission_data.h"
 #include "extensions/common/permissions/usb_device_permission_data.h"
 #include "extensions/common/stack_frame.h"
 #include "extensions/common/url_pattern.h"
 #include "extensions/common/url_pattern_set.h"
 #include "extensions/common/user_script.h"
 #include "extensions/common/view_type.h"
 #include "ipc/ipc_message_macros.h"
 #include "url/gurl.h"
 
 #define IPC_MESSAGE_START ExtensionMsgStart
 
 IPC_ENUM_TRAITS_MAX_VALUE(extensions::ViewType, extensions::VIEW_TYPE_LAST)
 IPC_ENUM_TRAITS_MAX_VALUE(content::SocketPermissionRequest::OperationType,
                           content::SocketPermissionRequest::OPERATION_TYPE_LAST)
 
 IPC_ENUM_TRAITS_MAX_VALUE(extensions::UserScript::InjectionType,
                           extensions::UserScript::INJECTION_TYPE_LAST)
 
 IPC_ENUM_TRAITS_MAX_VALUE(extensions::UserScript::RunLocation,
                           extensions::UserScript::RUN_LOCATION_LAST - 1)
 
 IPC_ENUM_TRAITS_MAX_VALUE(HostID::HostType, HostID::HOST_TYPE_LAST)
-IPC_ENUM_TRAITS_MAX_VALUE(version_info::Channel, version_info::Channel::STABLE)
-IPC_ENUM_TRAITS_MAX_VALUE(extensions::FeatureSessionType,
-                          extensions::FeatureSessionType::LAST)
 
 // Parameters structure for ExtensionHostMsg_AddAPIActionToActivityLog and
 // ExtensionHostMsg_AddEventToActivityLog.
 IPC_STRUCT_BEGIN(ExtensionHostMsg_APIActionOrEvent_Params)
   // API name.
   IPC_STRUCT_MEMBER(std::string, api_call)
 
   // List of arguments.
   IPC_STRUCT_MEMBER(base::ListValue, arguments)
 
@@ skipping 889 matching lines @@
                      int64_t /* service_worker_version_id */,
                      std::string /* request_uuid */)
 
 // Asks the browser to decrement the pending activity count for
 // the worker with version id |service_worker_version_id|.
 // |request_uuid| must match the GUID of a previous request, otherwise the
 // browser process ignores the IPC.
 IPC_MESSAGE_CONTROL2(ExtensionHostMsg_DecrementServiceWorkerActivity,
                      int64_t /* service_worker_version_id */,
                      std::string /* request_uuid */)