Fix incorrect DCHECK in task manager's WebContentsEntry.

content/public/test/browser_test_utils.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/public/test/browser_test_utils.h"
 
 #include <stddef.h>
 #include <tuple>
 #include <utility>
 
@@ skipping 470 matching lines @@
 }
 
 void CrashTab(WebContents* web_contents) {
   RenderProcessHost* rph = web_contents->GetRenderProcessHost();
   RenderProcessHostWatcher watcher(
       rph, RenderProcessHostWatcher::WATCH_FOR_PROCESS_EXIT);
   rph->Shutdown(0, false);
   watcher.Wait();
 }
 
+void SimulateUnresponsiveRenderer(WebContents* web_contents,
+                                  RenderWidgetHost* widget) {
+  static_cast<WebContentsImpl*>(web_contents)
+      ->RendererUnresponsive(RenderWidgetHostImpl::From(widget));
+}
+
 #if defined(USE_AURA)
 bool IsResizeComplete(aura::test::WindowEventDispatcherTestApi* dispatcher_test,
                       RenderWidgetHostImpl* widget_host) {
   return !dispatcher_test->HoldingPointerMoves() &&
       !widget_host->resize_ack_pending_for_testing();
 }
 
 void WaitForResizeComplete(WebContents* web_contents) {
   aura::Window* content = web_contents->GetContentNativeView();
   if (!content)
@@ skipping 1530 matching lines @@
                                  bool user_gesture,
                                  bool last_unlocked_by_target,
                                  bool privileged) {
   IPC::IpcSecurityTestUtil::PwnMessageReceived(
       process->GetChannel(),
       ViewHostMsg_LockMouse(routing_id, user_gesture, last_unlocked_by_target,
                             privileged));
 }
 
 }  // namespace content