Add a hang monitor for Pepper plugins

chrome/browser/ui/tab_contents/tab_contents_wrapper.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 CHROME_BROWSER_UI_TAB_CONTENTS_TAB_CONTENTS_WRAPPER_H_
 #define CHROME_BROWSER_UI_TAB_CONTENTS_TAB_CONTENTS_WRAPPER_H_
 #pragma once
 
 #include <string>
 #include <vector>
@@ skipping 13 matching lines @@
 class BlockedContentTabHelper;
 class BookmarkTabHelper;
 class ConstrainedWindowTabHelper;
 class CoreTabHelper;
 class DownloadRequestLimiterObserver;
 class ExtensionTabHelper;
 class ExternalProtocolObserver;
 class FaviconTabHelper;
 class FindTabHelper;
 class HistoryTabHelper;
+class HungPluginTabHelper;
 class InfoBarTabHelper;
 class OmniboxSearchHint;
 class PasswordManager;
 class PasswordManagerDelegate;
 class PDFTabObserver;
 class PluginObserver;
 class PrefService;
 class PrefsTabHelper;
 class Profile;
 class RestoreTabHelper;
@@ skipping 97 matching lines @@
     return extension_tab_helper_.get();
   }
 
   const ExtensionTabHelper* extension_tab_helper() const {
     return extension_tab_helper_.get();
   }
 
   FaviconTabHelper* favicon_tab_helper() { return favicon_tab_helper_.get(); }
   FindTabHelper* find_tab_helper() { return find_tab_helper_.get(); }
   HistoryTabHelper* history_tab_helper() { return history_tab_helper_.get(); }
+  HungPluginTabHelper* hung_plugin_tab_helper() {
+    return hung_plugin_tab_helper_.get();
+  }
   InfoBarTabHelper* infobar_tab_helper() { return infobar_tab_helper_.get(); }
 
 #if defined(ENABLE_ONE_CLICK_SIGNIN)
   OneClickSigninHelper* one_click_signin_helper() {
     return one_click_signin_helper_.get();
   }
 #endif
 
   PasswordManager* password_manager() { return password_manager_.get(); }
   PrefsTabHelper* prefs_tab_helper() { return prefs_tab_helper_.get(); }
@@ skipping 61 matching lines @@
   scoped_ptr<AutofillExternalDelegate> autofill_external_delegate_;
   scoped_ptr<AutomationTabHelper> automation_tab_helper_;
   scoped_ptr<BlockedContentTabHelper> blocked_content_tab_helper_;
   scoped_ptr<BookmarkTabHelper> bookmark_tab_helper_;
   scoped_ptr<ConstrainedWindowTabHelper> constrained_window_tab_helper_;
   scoped_ptr<CoreTabHelper> core_tab_helper_;
   scoped_ptr<ExtensionTabHelper> extension_tab_helper_;
   scoped_ptr<FaviconTabHelper> favicon_tab_helper_;
   scoped_ptr<FindTabHelper> find_tab_helper_;
   scoped_ptr<HistoryTabHelper> history_tab_helper_;
+  scoped_ptr<HungPluginTabHelper> hung_plugin_tab_helper_;
   scoped_ptr<InfoBarTabHelper> infobar_tab_helper_;
 
   // PasswordManager and its delegate. The delegate must outlive the manager,
   // per documentation in password_manager.h.
   scoped_ptr<PasswordManagerDelegate> password_manager_delegate_;
   scoped_ptr<PasswordManager> password_manager_;
 
   scoped_ptr<PrefsTabHelper> prefs_tab_helper_;
   scoped_ptr<prerender::PrerenderTabHelper> prerender_tab_helper_;
 
@@ skipping 42 matching lines @@
 
   // The supporting objects need to outlive the WebContents dtor (as they may
   // be called upon during its execution). As a result, this must come last
   // in the list.
   scoped_ptr<content::WebContents> web_contents_;
 
   DISALLOW_COPY_AND_ASSIGN(TabContentsWrapper);
 };
 
 #endif  // CHROME_BROWSER_UI_TAB_CONTENTS_TAB_CONTENTS_WRAPPER_H_