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

extensions/common/extension_messages.cc

 // 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.
 
 #include "extensions/common/extension_messages.h"
 
 #include <stddef.h>
 
 #include <memory>
 
 #include "base/memory/ptr_util.h"
 #include "content/public/common/common_param_traits.h"
 #include "extensions/common/extension.h"
 #include "extensions/common/manifest.h"
 #include "extensions/common/manifest_handler.h"
-#include "extensions/common/manifest_location_param_traits.h"
 #include "extensions/common/permissions/permissions_data.h"
 #include "extensions/common/permissions/permissions_info.h"
 
 using extensions::APIPermission;
 using extensions::APIPermissionInfo;
 using extensions::APIPermissionSet;
 using extensions::Extension;
 using extensions::Manifest;
 using extensions::ManifestHandler;
 using extensions::ManifestPermission;
@@ skipping 363 matching lines @@
          ReadParam(m, iter, &p->policy_allowed_hosts) &&
          ReadParam(m, iter, &p->uses_default_policy_blocked_allowed_hosts);
 }
 
 void ParamTraits<ExtensionMsg_Loaded_Params>::Log(const param_type& p,
                                                   std::string* l) {
   l->append(p.id);
 }
 
 }  // namespace IPC