[Extensions] Clean up renderer channel-related code

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/draggable_region.h"
 #include "extensions/common/extension.h"
 #include "extensions/common/extensions_client.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"
@@ skipping 12 matching lines @@
 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)
 
 // 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 526 matching lines @@
                     int /* source_tab_id */,
                     extensions::Message)
 
 // Dispatch the Port.onDisconnect event for message channels.
 IPC_MESSAGE_ROUTED2(ExtensionMsg_DispatchOnDisconnect,
                     int /* port_id */,
                     std::string /* error_message */)
 
 // Informs the renderer what channel (dev, beta, stable, etc) is running.
 IPC_MESSAGE_CONTROL1(ExtensionMsg_SetChannel,
-                     int /* channel */)
+                     version_info::Channel /* channel */)
 
 // Notify the renderer that its window has closed.
 IPC_MESSAGE_ROUTED0(ExtensionMsg_AppWindowClosed)
 
 // Notify the renderer that an extension wants notifications when certain
 // searches match the active page.  This message replaces the old set of
 // searches, and triggers ExtensionHostMsg_OnWatchedPageChange messages from
 // each tab to keep the browser updated about changes.
 IPC_MESSAGE_CONTROL1(ExtensionMsg_WatchPages,
                      std::vector<std::string> /* CSS selectors */)
@@ skipping 264 matching lines @@
 
 // The browser sends this message in response to all service worker extension
 // api calls. The response data (if any) is one of the base::Value subclasses,
 // wrapped as the first element in a ListValue.
 IPC_MESSAGE_CONTROL5(ExtensionMsg_ResponseWorker,
                      int /* thread_id */,
                      int /* request_id */,
                      bool /* success */,
                      base::ListValue /* response wrapper (see comment above) */,
                      std::string /* error */)