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

content/browser/frame_host/navigator_impl.cc

 // 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.
 
 #include "content/browser/frame_host/navigator_impl.h"
 
 #include <utility>
 
 #include "base/logging.h"
 #include "base/metrics/histogram_macros.h"
@@ skipping 1022 matching lines @@
 
   // Navigation to a javascript URL is not a "real" navigation so there is no
   // need to create a NavigationHandle. The navigation commits immediately and
   // the NavigationRequest is not assigned to the FrameTreeNode as navigating to
   // a Javascript URL should not interrupt a previous navigation.
   // Note: The scoped_request will be destroyed at the end of this function.
   if (dest_url.SchemeIs(url::kJavaScriptScheme)) {
     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;
   }
 
   frame_tree_node->CreatedNavigationRequest(std::move(scoped_request));
   navigation_request->CreateNavigationHandle(entry.GetUniqueID());
 
   // Have the current renderer execute its beforeunload event if needed. If it
   // is not needed (when beforeunload dispatch is not needed or this navigation
   // is synchronous and same-site) then NavigationRequest::BeginNavigation
   // should be directly called instead.
@@ skipping 141 matching lines @@
   if (pending_entry != controller_->GetVisibleEntry() ||
       !should_preserve_entry) {
     controller_->DiscardPendingEntry(true);
 
     // Also force the UI to refresh.
     controller_->delegate()->NotifyNavigationStateChanged(INVALIDATE_TYPE_URL);
   }
 }
 
 }  // namespace content