Remove safe_browsing=2 functionality, replace with =3 mode.

chrome/browser/download/chrome_download_manager_delegate.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 "chrome/browser/download/chrome_download_manager_delegate.h"
 
 #include <string>
 
 #include "base/basictypes.h"
 #include "base/bind.h"
@@ skipping 173 matching lines @@
 }
 
 ChromeDownloadManagerDelegate::~ChromeDownloadManagerDelegate() {
   // If a DownloadManager was set for this, Shutdown() must be called.
   DCHECK(!download_manager_);
 }
 
 void ChromeDownloadManagerDelegate::SetDownloadManager(DownloadManager* dm) {
   download_manager_ = dm;
 
-#if defined(FULL_SAFE_BROWSING) || defined(MOBILE_SAFE_BROWSING)
   SafeBrowsingService* sb_service = g_browser_process->safe_browsing_service();
   if (sb_service && !profile_->IsOffTheRecord()) {
     // Include this download manager in the set monitored by safe browsing.
     sb_service->AddDownloadManager(dm);
   }
-#endif
 }
 
 void ChromeDownloadManagerDelegate::Shutdown() {
   download_prefs_.reset();
   weak_ptr_factory_.InvalidateWeakPtrs();
   download_manager_ = NULL;
 }
 
 content::DownloadIdCallback
 ChromeDownloadManagerDelegate::GetDownloadIdReceiverCallback() {
@@ skipping 541 matching lines @@
       path.MatchesExtension(FILE_PATH_LITERAL(".xht")) ||
       path.MatchesExtension(FILE_PATH_LITERAL(".xhtm")) ||
       path.MatchesExtension(FILE_PATH_LITERAL(".xhtml")) ||
       path.MatchesExtension(FILE_PATH_LITERAL(".xsl")) ||
       path.MatchesExtension(FILE_PATH_LITERAL(".xslt"))) {
     return true;
   }
 #endif
   return false;
 }