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

content/browser/frame_host/navigator_impl.cc

Index: content/browser/frame_host/navigator_impl.cc
diff --git a/content/browser/frame_host/navigator_impl.cc b/content/browser/frame_host/navigator_impl.cc
index a25c56910565a66d44516a2022fb1c61b469ef7d..7f6bf85ab9d75e291bd071e30b70dd0bbe63deeb 100644
--- a/content/browser/frame_host/navigator_impl.cc
+++ b/content/browser/frame_host/navigator_impl.cc
@@ -1040,11 +1040,13 @@ void NavigatorImpl::RequestNavigation(FrameTreeNode* frame_tree_node,
     RenderFrameHostImpl* render_frame_host =
         frame_tree_node->render_manager()->GetFrameHostForNavigation(
             *navigation_request);
-    render_frame_host->CommitNavigation(nullptr,  // response
-                                        nullptr,  // body
-                                        navigation_request->common_params(),
-                                        navigation_request->request_params(),
-                                        navigation_request->is_view_source());
+    render_frame_host->CommitNavigation(
+        nullptr,  // response
+        nullptr,  // body
+        navigation_request->common_params(),
+        navigation_request->request_params(),
+        navigation_request->is_view_source(),
+        navigation_request->begin_params().has_user_gesture);
     return;
   }