mac: Prepare most test code for -Wunused-functions too.

chrome/browser/sessions/better_session_restore_browsertest.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 "base/command_line.h"
 #include "base/file_util.h"
 #include "base/files/file_path.h"
 #include "base/lazy_instance.h"
 #include "base/path_service.h"
 #include "base/prefs/pref_service.h"
@@ skipping 34 matching lines @@
 #include "net/url_request/url_request.h"
 #include "net/url_request/url_request_filter.h"
 #include "net/url_request/url_request_test_job.h"
 
 #if defined(OS_MACOSX)
 #include "base/mac/scoped_nsautorelease_pool.h"
 #endif
 
 namespace {
 
-Browser* FindOneOtherBrowserForProfile(Profile* profile,
-                                       Browser* not_this_browser) {
-  for (chrome::BrowserIterator it; !it.done(); it.Next()) {
-    if (*it != not_this_browser && it->profile() == profile)
-      return *it;
-  }
-  return NULL;
-}
-
 // We need to serve the test files so that PRE_Test and Test can access the same
 // page using the same URL. In addition, perceived security origin of the page
 // needs to stay the same, so e.g., redirecting the URL requests doesn't
 // work. (If we used a test server, the PRE_Test and Test would have separate
 // instances running on separate ports.)
 
 base::LazyInstance<std::map<std::string, std::string> > g_file_contents =
     LAZY_INSTANCE_INITIALIZER;
 
 net::URLRequestJob* URLRequestFaker(
@@ skipping 725 matching lines @@
   CookieSettings::Factory::GetForProfile(new_browser->profile())->
       SetDefaultCookieSetting(CONTENT_SETTING_SESSION_ONLY);
   // ... even if background mode is active.
   EnableBackgroundMode();
   new_browser = QuitBrowserAndRestore(new_browser, true);
   StoreDataWithPage(new_browser, "cookies.html");
   DisableBackgroundMode();
   new_browser = QuitBrowserAndRestore(new_browser, true);
   StoreDataWithPage(new_browser, "cookies.html");
 }