LeakDetector: Add commandline option to force crash when leak is found.

content/shell/browser/webkit_test_controller.h

 // 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.
 
 #ifndef CONTENT_SHELL_BROWSER_WEBKIT_TEST_CONTROLLER_H_
 #define CONTENT_SHELL_BROWSER_WEBKIT_TEST_CONTROLLER_H_
 
 #include <ostream>
 #include <string>
 
@@ skipping 194 matching lines @@
   GURL test_url_;
 
   // True if the WebPreferences of newly created RenderViewHost should be
   // overridden with prefs_.
   bool should_override_prefs_;
   WebPreferences prefs_;
 
   NotificationRegistrar registrar_;
 
   const bool is_leak_detection_enabled_;
+  bool crash_when_leak_found_;
 
 #if defined(OS_ANDROID)
   // Because of the nested message pump implementation, Android needs to allow
   // waiting on the UI thread while layout tests are being ran.
   ScopedAllowWaitForAndroidLayoutTests reduced_restrictions_;
 #endif
 
   DISALLOW_COPY_AND_ASSIGN(WebKitTestController);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_SHELL_BROWSER_WEBKIT_TEST_CONTROLLER_H_