Add ref count to service workers for extension API.

extensions/browser/extension_function.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 "extensions/browser/extension_function.h"
 
 #include <utility>
 
 #include "base/logging.h"
 #include "base/macros.h"
@@ skipping 454 matching lines @@
 
   response_callback_.Run(response, *results_, GetError(), histogram_value());
   LogUma(success, timer_.Elapsed(), histogram_value_);
 
   OnResponded();
 }
 
 UIThreadExtensionFunction::UIThreadExtensionFunction()
     : context_(nullptr),
       render_frame_host_(nullptr),
-      is_from_service_worker_(false) {}
+      service_worker_version_id_(content::kInvalidServiceWorkerVersionId) {}
 
 UIThreadExtensionFunction::~UIThreadExtensionFunction() {
-  if (dispatcher() && render_frame_host())
-    dispatcher()->OnExtensionFunctionCompleted(extension());
+  if (dispatcher() && (render_frame_host() || is_from_service_worker())) {
+    dispatcher()->OnExtensionFunctionCompleted(extension(),
+                                               service_worker_version_id_);
+  }
+
   // The extension function should always respond to avoid leaks in the
   // renderer, dangling callbacks, etc. The exception is if the system is
   // shutting down.
   // TODO(devlin): Duplicate this check in IOThreadExtensionFunction. It's
   // tricky because checking IsShuttingDown has to be called from the UI thread.
   extensions::ExtensionsBrowserClient* browser_client =
       extensions::ExtensionsBrowserClient::Get();
   DCHECK(!browser_client || browser_client->IsShuttingDown() || did_respond_ ||
          ignore_all_did_respond_for_testing_do_not_use)
       << name_;
@@ skipping 28 matching lines @@
   return false;
 }
 
 void UIThreadExtensionFunction::Destruct() const {
   BrowserThread::DeleteOnUIThread::Destruct(this);
 }
 
 void UIThreadExtensionFunction::SetRenderFrameHost(
     content::RenderFrameHost* render_frame_host) {
   // An extension function from Service Worker does not have a RenderFrameHost.
-  if (is_from_service_worker_) {
+  if (is_from_service_worker()) {
     DCHECK(!render_frame_host);
     return;
   }
 
   DCHECK_NE(render_frame_host_ == nullptr, render_frame_host == nullptr);
   render_frame_host_ = render_frame_host;
   tracker_.reset(
       render_frame_host ? new RenderFrameHostTracker(this) : nullptr);
 }
 
@@ skipping 68 matching lines @@
 
 // static
 bool AsyncExtensionFunction::ValidationFailure(
     AsyncExtensionFunction* function) {
   return false;
 }
 
 void AsyncExtensionFunction::SendResponse(bool success) {
   Respond(success ? ArgumentList(std::move(results_)) : Error(error_));
 }