Use loading task queue in ScriptInjectionManager

extensions/renderer/script_injection_manager.cc

 // Copyright 2014 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/renderer/script_injection_manager.h"
 
 #include <memory>
 #include <utility>
 
 #include "base/auto_reset.h"
@@ skipping 166 matching lines @@
           base::Bind(&ScriptInjectionManager::RFOHelper::StartInjectScripts,
                      weak_factory_.GetWeakPtr(), UserScript::DOCUMENT_END));
 
   // We try to run idle in two places: here and DidFinishLoad.
   // DidFinishDocumentLoad() corresponds to completing the document's load,
   // whereas DidFinishLoad corresponds to completing the document and all
   // subresources' load. We don't want to hold up script injection for a
   // particularly slow subresource, so we set a delayed task from here - but if
   // we finish everything before that point (i.e., DidFinishLoad() is
   // triggered), then there's no reason to keep waiting.
-  base::ThreadTaskRunnerHandle::Get()->PostDelayedTask(
+  render_frame()->GetLoadingTaskRunner()->PostDelayedTask(
       FROM_HERE,
       base::Bind(&ScriptInjectionManager::RFOHelper::RunIdle,
                  weak_factory_.GetWeakPtr()),
       base::TimeDelta::FromMilliseconds(kScriptIdleTimeoutInMs));
 }
 
 void ScriptInjectionManager::RFOHelper::DidFinishLoad() {
   DCHECK(content::RenderThread::Get());
   // Ensure that we don't block any UI progress by running scripts.
-  base::ThreadTaskRunnerHandle::Get()->PostTask(
+  render_frame()->GetLoadingTaskRunner()->PostTask(
       FROM_HERE,
       base::Bind(&ScriptInjectionManager::RFOHelper::RunIdle,
                  weak_factory_.GetWeakPtr()));
 }
 
 void ScriptInjectionManager::RFOHelper::FrameDetached() {
   // The frame is closing - invalidate.
   InvalidateAndResetFrame();
 }
 
@@ skipping 306 matching lines @@
   ScriptsRunInfo scripts_run_info(injection->render_frame(),
                                   UserScript::RUN_DEFERRED);
   ScriptInjection::InjectionResult res = injection->OnPermissionGranted(
       &scripts_run_info);
   if (res == ScriptInjection::INJECTION_BLOCKED)
     running_injections_.push_back(std::move(injection));
   scripts_run_info.LogRun(activity_logging_enabled_);
 }
 
 }  // namespace extensions