Also delete plugin data when the cookies checkbox in the clear browsing data dialog is checked.

chrome/browser/ui/browser.cc

 // Copyright (c) 2011 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 "chrome/browser/ui/browser.h"
 
 #if defined(OS_WIN)
 #include <shellapi.h>
 #include <windows.h>
 #endif  // OS_WIN
@@ skipping 1993 matching lines @@
   prefs->RegisterBooleanPref(prefs::kShowPageOptionsButtons, false);
   prefs->RegisterBooleanPref(prefs::kShowUpdatePromotionInfoBar, true);
 #endif
   prefs->RegisterStringPref(prefs::kRecentlySelectedEncoding, "");
   prefs->RegisterBooleanPref(prefs::kDeleteBrowsingHistory, true);
   prefs->RegisterBooleanPref(prefs::kDeleteDownloadHistory, true);
   prefs->RegisterBooleanPref(prefs::kDeleteCache, true);
   prefs->RegisterBooleanPref(prefs::kDeleteCookies, true);
   prefs->RegisterBooleanPref(prefs::kDeletePasswords, false);
   prefs->RegisterBooleanPref(prefs::kDeleteFormData, false);
-  prefs->RegisterBooleanPref(prefs::kDeleteLSOData, false);
   prefs->RegisterIntegerPref(prefs::kDeleteTimePeriod, 0);
   prefs->RegisterBooleanPref(prefs::kCheckDefaultBrowser, true);
   prefs->RegisterBooleanPref(prefs::kShowOmniboxSearchHint, true);
   prefs->RegisterBooleanPref(prefs::kWebAppCreateOnDesktop, true);
   prefs->RegisterBooleanPref(prefs::kWebAppCreateInAppsMenu, true);
   prefs->RegisterBooleanPref(prefs::kWebAppCreateInQuickLaunchBar, true);
   prefs->RegisterBooleanPref(prefs::kUseVerticalTabs, false);
   prefs->RegisterBooleanPref(prefs::kEnableTranslate, true);
   prefs->RegisterBooleanPref(prefs::kRemotingHasSetupCompleted, false);
   prefs->RegisterStringPref(prefs::kCloudPrintEmail, std::string());
@@ skipping 2212 matching lines @@
     // The page transition below is only for the purpose of inserting the tab.
     browser->AddTab(view_source_contents, PageTransition::LINK);
   }
 
   if (profile_->HasSessionService()) {
     SessionService* session_service = profile_->GetSessionService();
     if (session_service)
       session_service->TabRestored(&view_source_contents->controller(), false);
   }
 }