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

chrome/browser/profiles/profile_impl_io_data.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/profiles/profile_impl_io_data.h"
 
 #include <set>
 
 #include "base/bind.h"
 #include "base/command_line.h"
@@ skipping 368 matching lines @@
   io_data_->http_server_properties_manager_ =
       chrome_browser_net::HttpServerPropertiesManagerFactory::CreateManager(
           pref_service);
   io_data_->set_http_server_properties(
       scoped_ptr<net::HttpServerProperties>(
           io_data_->http_server_properties_manager_));
   io_data_->session_startup_pref()->Init(
       prefs::kRestoreOnStartup, pref_service);
   io_data_->session_startup_pref()->MoveToThread(
       BrowserThread::GetMessageLoopProxyForThread(BrowserThread::IO));
-#if defined(SAFE_BROWSING_SERVICE)
   io_data_->safe_browsing_enabled()->Init(prefs::kSafeBrowsingEnabled,
       pref_service);
   io_data_->safe_browsing_enabled()->MoveToThread(
       BrowserThread::GetMessageLoopProxyForThread(BrowserThread::IO));
-#endif
   io_data_->InitializeOnUIThread(profile_);
 }
 
 scoped_ptr<ProfileIOData::ChromeURLRequestContextGetterVector>
 ProfileImplIOData::Handle::GetAllContextGetters() {
   ChromeURLRequestContextGetterMap::iterator iter;
   scoped_ptr<ChromeURLRequestContextGetterVector> context_getters(
       new ChromeURLRequestContextGetterVector());
 
   iter = isolated_media_request_context_getter_map_.begin();
@@ skipping 406 matching lines @@
     const base::Closure& completion) {
   DCHECK_CURRENTLY_ON(BrowserThread::IO);
   DCHECK(initialized());
 
   DCHECK(transport_security_state());
   // Completes synchronously.
   transport_security_state()->DeleteAllDynamicDataSince(time);
   DCHECK(http_server_properties_manager_);
   http_server_properties_manager_->Clear(completion);
 }