When passing a user gesture along with a message, include the timestamp of the user gesture to prev…

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 <string>
 #include <vector>
 
@@ skipping 176 matching lines @@
   IPC_STRUCT_TRAITS_MEMBER(product_id())
 IPC_STRUCT_TRAITS_END()
 
 IPC_STRUCT_TRAITS_BEGIN(extensions::MediaGalleriesPermissionData)
   IPC_STRUCT_TRAITS_MEMBER(permission())
 IPC_STRUCT_TRAITS_END()
 
 IPC_STRUCT_TRAITS_BEGIN(extensions::Message)
   IPC_STRUCT_TRAITS_MEMBER(data)
   IPC_STRUCT_TRAITS_MEMBER(user_gesture)
+  IPC_STRUCT_TRAITS_MEMBER(user_gesture_timestamp)
 IPC_STRUCT_TRAITS_END()
 
 // Singly-included section for custom IPC traits.
 #ifndef EXTENSIONS_COMMON_EXTENSION_MESSAGES_H_
 #define EXTENSIONS_COMMON_EXTENSION_MESSAGES_H_
 
 // IPC_MESSAGE macros choke on extra , in the std::map, when expanding. We need
 // to typedef it to avoid that.
 // Substitution map for l10n messages.
 typedef std::map<std::string, std::string> SubstitutionMap;
@@ skipping 421 matching lines @@
 // certain conditions.  This message is sent in response to several events:
 //
 // * ExtensionMsg_WatchPages was received, updating the set of conditions.
 // * A new page is loaded.  This will be sent after
 //   FrameHostMsg_DidCommitProvisionalLoad. Currently this only fires for the
 //   main frame.
 // * Something changed on an existing frame causing the set of matching searches
 //   to change.
 IPC_MESSAGE_ROUTED1(ExtensionHostMsg_OnWatchedPageChange,
                     std::vector<std::string> /* Matching CSS selectors */)