Allow SessionService to be disabled.

chrome/browser/profiles/profile_manager.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 <set>
 
 #include "chrome/browser/profiles/profile_manager.h"
 
 #include "base/bind.h"
 #include "base/command_line.h"
@@ skipping 141 matching lines @@
     ProfileManager::FindOrCreateNewWindowForProfile(
         profile,
         BrowserInit::IS_PROCESS_STARTUP,
         BrowserInit::IS_FIRST_RUN,
         false);
   }
 }
 
 } // namespace
 
+#if defined(ENABLE_SESSION_SERVICE)
 // static
 void ProfileManager::ShutdownSessionServices() {
   ProfileManager* pm = g_browser_process->profile_manager();
   if (!pm)  // Is NULL when running unit tests.
     return;
   std::vector<Profile*> profiles(pm->GetLoadedProfiles());
   for (size_t i = 0; i < profiles.size(); ++i)
     SessionServiceFactory::ShutdownForProfile(profiles[i]);
 }
+#endif
 
 // static
 void ProfileManager::NukeDeletedProfilesFromDisk() {
   for (std::vector<FilePath>::iterator it =
           ProfilesToDelete().begin();
        it != ProfilesToDelete().end();
        ++it) {
     // Delete both the profile directory and its corresponding cache.
     FilePath cache_path;
     chrome::GetUserCacheDirectory(*it, &cache_path);
@@ skipping 784 matching lines @@
     AddProfileToCache(profile);
   }
 }
 
 void ProfileManager::RunCallbacks(const std::vector<CreateCallback>& callbacks,
                                   Profile* profile,
                                   Profile::CreateStatus status) {
   for (size_t i = 0; i < callbacks.size(); ++i)
     callbacks[i].Run(profile, status);
 }