DevTools: pick sw targets to attach to on the backend side.

content/browser/devtools/render_frame_devtools_agent_host.cc

Index: content/browser/devtools/render_frame_devtools_agent_host.cc
diff --git a/content/browser/devtools/render_frame_devtools_agent_host.cc b/content/browser/devtools/render_frame_devtools_agent_host.cc
index f30286da0e66eaee9a7a9f14f9853b3b9adf0606..2454801669b29596bfa830c704f18f74f7f465e5 100644
--- a/content/browser/devtools/render_frame_devtools_agent_host.cc
+++ b/content/browser/devtools/render_frame_devtools_agent_host.cc
@@ -397,6 +397,14 @@ void RenderFrameDevToolsAgentHost::NavigationEntryCommitted(
   DevToolsManager::GetInstance()->AgentHostChanged(this);
 }
 
+void RenderFrameDevToolsAgentHost::DidCommitProvisionalLoadForFrame(
+    RenderFrameHost* render_frame_host,
+    const GURL& url,
+    ui::PageTransition transition_type) {
+  if (!render_frame_host->GetParent())
+    service_worker_handler_->SetURL(url);
+}
+
 void RenderFrameDevToolsAgentHost::Observe(int type,
                                           const NotificationSource& source,
                                           const NotificationDetails& details) {