[DevTools] Pass session id in detach request

content/shell/renderer/layout_test/blink_test_runner.cc

 // Copyright (c) 2012 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 "content/shell/renderer/layout_test/blink_test_runner.h"
 
 #include <stddef.h>
 
 #include <algorithm>
 #include <clocale>
@@ skipping 440 matching lines @@
 }
 
 void BlinkTestRunner::ShowDevTools(const std::string& settings,
                                    const std::string& frontend_url) {
   Send(new ShellViewHostMsg_ShowDevTools(
       routing_id(), settings, frontend_url));
 }
 
 void BlinkTestRunner::CloseDevTools() {
   Send(new ShellViewHostMsg_CloseDevTools(routing_id()));
-  WebDevToolsAgent* agent =
-      render_view()->GetMainRenderFrame()->GetWebFrame()->DevToolsAgent();
-  if (agent)
-    agent->Detach();
+  render_view()->GetMainRenderFrame()->DetachDevToolsForTest();
 }
 
 void BlinkTestRunner::EvaluateInWebInspector(int call_id,
                                              const std::string& script) {
   Send(new ShellViewHostMsg_EvaluateInDevTools(
       routing_id(), call_id, script));
 }
 
 std::string BlinkTestRunner::EvaluateInWebInspectorOverlay(
     const std::string& script) {
@@ skipping 588 matching lines @@
 void BlinkTestRunner::ReportLeakDetectionResult(
     const LeakDetectionResult& report) {
   Send(new ShellViewHostMsg_LeakDetectionDone(routing_id(), report));
 }
 
 void BlinkTestRunner::OnDestruct() {
   delete this;
 }
 
 }  // namespace content