Show service worker navigation preload requests in DevTools Network tab

third_party/WebKit/Source/core/inspector/WorkerInspectorController.cpp

 /*
  * Copyright (C) 2011 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 15 matching lines @@
  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #include "core/inspector/WorkerInspectorController.h"
 
 #include "core/InstrumentingAgents.h"
 #include "core/inspector/InspectorInstrumentation.h"
 #include "core/inspector/InspectorLogAgent.h"
+#include "core/inspector/InspectorNetworkAgent.h"
 #include "core/inspector/WorkerThreadDebugger.h"
 #include "core/inspector/protocol/Protocol.h"
 #include "core/workers/WorkerBackingThread.h"
 #include "core/workers/WorkerReportingProxy.h"
 #include "core/workers/WorkerThread.h"
 #include "platform/WebThreadSupportingGC.h"
 
 namespace blink {
 
 WorkerInspectorController* WorkerInspectorController::create(
@@ skipping 18 matching lines @@
   if (m_session)
     return;
 
   // sessionId will be overwritten by WebDevToolsAgent::sendProtocolNotification
   // call.
   m_session = new InspectorSession(
       this, m_instrumentingAgents.get(), 0, m_debugger->v8Inspector(),
       m_debugger->contextGroupId(m_thread), nullptr);
   m_session->append(
       new InspectorLogAgent(m_thread->consoleMessageStorage(), nullptr));
+  m_session->append(InspectorNetworkAgent::create(nullptr));

[pfeldman, 2017/01/20 20:41:46]

You just created one for all dedicated workers. Not sure the consequences of
this, just noticing.

[horo, 2017/01/23 08:05:32]

I introduces inspectorNetworkCapability flag.
So InspectorNetworkAgent will be created only for ServiceWorker.

   m_thread->workerBackingThread().backingThread().addTaskObserver(this);
 }
 
 void WorkerInspectorController::disconnectFrontend() {
   if (!m_session)
     return;
   m_session->dispose();
   m_session.clear();
   m_thread->workerBackingThread().backingThread().removeTaskObserver(this);
 }
@@ skipping 32 matching lines @@
   if (m_session)
     m_session->flushProtocolNotifications();
 }
 
 DEFINE_TRACE(WorkerInspectorController) {
   visitor->trace(m_instrumentingAgents);
   visitor->trace(m_session);
 }
 
 }  // namespace blink