PlzNavigate: properly execute BeforeUnload on renderer initiated navigations

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 e9d4f7bb2c6742cc9dd855f703f50553376997a8..9040966a48869d3db73b5d0d33b9866eb4d67fec 100644
--- a/content/browser/frame_host/navigator_impl.cc
+++ b/content/browser/frame_host/navigator_impl.cc
@@ -336,8 +336,9 @@ bool NavigatorImpl::NavigateToEntry(
 
   } else {
     RenderFrameHostImpl* dest_render_frame_host =
-        frame_tree_node->render_manager()->Navigate(dest_url, frame_entry,
-                                                    entry);
+        frame_tree_node->render_manager()->Navigate(
+            dest_url, frame_entry, entry,
+            reload_type != NavigationController::NO_RELOAD);
     if (!dest_render_frame_host)
       return false;  // Unable to create the desired RenderFrameHost.
 
@@ -1003,7 +1004,8 @@ void NavigatorImpl::RequestNavigation(
       ShouldMakeNetworkRequestForURL(
           navigation_request->common_params().url)) {
     navigation_request->SetWaitingForRendererResponse();
-    frame_tree_node->current_frame_host()->DispatchBeforeUnload(true);
+    frame_tree_node->current_frame_host()->DispatchBeforeUnload(
+        true, reload_type != NavigationController::NO_RELOAD);
   } else {
     navigation_request->BeginNavigation();
   }