Index: extensions/browser/extension_function.cc |
diff --git a/extensions/browser/extension_function.cc b/extensions/browser/extension_function.cc |
index b11621fa96e4f3a7d2d57e75ec829f9db0ee22b9..53de37b13d36e434459cf8a24c276243ad87c81b 100644 |
--- a/extensions/browser/extension_function.cc |
+++ b/extensions/browser/extension_function.cc |
@@ -441,6 +441,9 @@ UIThreadExtensionFunction::render_view_host_do_not_use() const { |
void UIThreadExtensionFunction::SetRenderFrameHost( |
content::RenderFrameHost* render_frame_host) { |
+ // An extension function from Service Worker does not have a RenderFrameHost. |
+ if (!render_frame_host) |
+ return; |
DCHECK_NE(render_frame_host_ == nullptr, render_frame_host == nullptr); |
render_frame_host_ = render_frame_host; |
tracker_.reset( |