Pass the user_gesture context in the IPC message FrameMsg_CommitNavigation to the renderer.

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 373 matching lines @@
   IPC_STRUCT_TRAITS_MEMBER(has_committed_real_load)
   IPC_STRUCT_TRAITS_MEMBER(intended_as_new_entry)
   IPC_STRUCT_TRAITS_MEMBER(pending_history_list_offset)
   IPC_STRUCT_TRAITS_MEMBER(current_history_list_offset)
   IPC_STRUCT_TRAITS_MEMBER(current_history_list_length)
   IPC_STRUCT_TRAITS_MEMBER(is_view_source)
   IPC_STRUCT_TRAITS_MEMBER(should_clear_history_list)
   IPC_STRUCT_TRAITS_MEMBER(should_create_service_worker)
   IPC_STRUCT_TRAITS_MEMBER(navigation_timing)
   IPC_STRUCT_TRAITS_MEMBER(service_worker_provider_id)
+  IPC_STRUCT_TRAITS_MEMBER(has_user_gesture)
 #if defined(OS_ANDROID)
   IPC_STRUCT_TRAITS_MEMBER(data_url_as_string)
 #endif
 IPC_STRUCT_TRAITS_END()
 
 IPC_STRUCT_TRAITS_BEGIN(content::FrameReplicationState)
   IPC_STRUCT_TRAITS_MEMBER(origin)
   IPC_STRUCT_TRAITS_MEMBER(sandbox_flags)
   IPC_STRUCT_TRAITS_MEMBER(name)
   IPC_STRUCT_TRAITS_MEMBER(unique_name)
@@ skipping 489 matching lines @@
 #endif
 
 // PlzNavigate
 // Tells the renderer that a navigation is ready to commit.  The renderer should
 // request |stream_url| to get access to the stream containing the body of the
 // response.
 IPC_MESSAGE_ROUTED4(FrameMsg_CommitNavigation,
                     content::ResourceResponseHead,    /* response */
                     GURL,                             /* stream_url */
                     content::CommonNavigationParams,  /* common_params */
-                    content::RequestNavigationParams) /* request_params */
+                    content::RequestNavigationParams  /* request_params */)
 
 // PlzNavigate
 // Tells the renderer that a navigation failed with the error code |error_code|
 // and that the renderer should display an appropriate error page.
 IPC_MESSAGE_ROUTED4(FrameMsg_FailedNavigation,
                     content::CommonNavigationParams,  /* common_params */
                     content::RequestNavigationParams, /* request_params */
                     bool,                             /* stale_copy_in_cache */
                     int                               /* error_code */)
 
@@ skipping 656 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.