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

content/browser/frame_host/render_frame_host_impl.cc

Index: content/browser/frame_host/render_frame_host_impl.cc
diff --git a/content/browser/frame_host/render_frame_host_impl.cc b/content/browser/frame_host/render_frame_host_impl.cc
index ade16ba1826e7d0dcfc125c7fbceaae55a57be40..828fa59850dcbbd2d7dca24155a685625661629d 100644
--- a/content/browser/frame_host/render_frame_host_impl.cc
+++ b/content/browser/frame_host/render_frame_host_impl.cc
@@ -2310,7 +2310,7 @@ void RenderFrameHostImpl::NavigateToInterstitialURL(const GURL& data_url) {
       base::TimeTicks::Now(), "GET", nullptr);
   if (IsBrowserSideNavigationEnabled()) {
     CommitNavigation(nullptr, nullptr, common_params, RequestNavigationParams(),
-                     false);
+                     false, false);
   } else {
     Navigate(common_params, StartNavigationParams(), RequestNavigationParams());
   }
@@ -2464,7 +2464,8 @@ void RenderFrameHostImpl::CommitNavigation(
     std::unique_ptr<StreamHandle> body,
     const CommonNavigationParams& common_params,
     const RequestNavigationParams& request_params,
-    bool is_view_source) {
+    bool is_view_source,
+    bool user_gesture) {
   DCHECK((response && body.get()) ||
          common_params.url.SchemeIs(url::kDataScheme) ||
          !ShouldMakeNetworkRequestForURL(common_params.url));
@@ -2486,7 +2487,7 @@ void RenderFrameHostImpl::CommitNavigation(
   const ResourceResponseHead head = response ?
       response->head : ResourceResponseHead();
   Send(new FrameMsg_CommitNavigation(routing_id_, head, body_url, common_params,
-                                     request_params));
+                                     request_params, user_gesture));
 
   // If a network request was made, update the LoFi state.
   if (ShouldMakeNetworkRequestForURL(common_params.url))