Fix incorrect DCHECK in task manager's WebContentsEntry.

content/public/test/browser_test_utils.h

 // 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.
 
 #ifndef CONTENT_PUBLIC_TEST_BROWSER_TEST_UTILS_H_
 #define CONTENT_PUBLIC_TEST_BROWSER_TEST_UTILS_H_
 
 #include <queue>
 #include <string>
 #include <vector>
@@ skipping 94 matching lines @@
 // If WebContent's view is currently being resized, this will wait for the ack
 // from the renderer that the resize is complete and for the
 // WindowEventDispatcher to release the pointer moves. If there's no resize in
 // progress, the method will return right away.
 void WaitForResizeComplete(WebContents* web_contents);
 #endif  // defined(USE_AURA) || defined(OS_ANDROID)
 
 // Causes the specified web_contents to crash. Blocks until it is crashed.
 void CrashTab(WebContents* web_contents);
 
+// Causes the specified web_contents to issue an OnUnresponsiveRenderer event
+// to its observers.
+void SimulateUnresponsiveRenderer(WebContents* web_contents,
+                                  RenderWidgetHost* widget);
+
 // Simulates clicking at the center of the given tab asynchronously; modifiers
 // may contain bits from WebInputEvent::Modifiers.
 void SimulateMouseClick(WebContents* web_contents,
                         int modifiers,
                         blink::WebMouseEvent::Button button);
 
 // Simulates clicking at the point |point| of the given tab asynchronously;
 // modifiers may contain bits from WebInputEvent::Modifiers.
 void SimulateMouseClickAt(WebContents* web_contents,
                           int modifiers,
@@ skipping 712 matching lines @@
 
  private:
   PwnMessageHelper();  // Not instantiable.
 
   DISALLOW_COPY_AND_ASSIGN(PwnMessageHelper);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_PUBLIC_TEST_BROWSER_TEST_UTILS_H_