Update other unittests to use newly added TestingBrowserProcess::GetGlobal().

chrome/browser/ui/sync/one_click_signin_helper_unittest.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/utf_string_conversions.h"
 #include "chrome/browser/content_settings/cookie_settings.h"
 #include "chrome/browser/prefs/pref_service.h"
 #include "chrome/browser/prefs/scoped_user_pref_update.h"
 #include "chrome/browser/profiles/profile.h"
@@ skipping 272 matching lines @@
  private:
   content::TestBrowserThread db_thread_;
   content::TestBrowserThread fub_thread_;
   content::TestBrowserThread io_thread_;
 
   DISALLOW_COPY_AND_ASSIGN(OneClickSigninHelperIOTest);
 };
 
 OneClickSigninHelperIOTest::OneClickSigninHelperIOTest()
     : testing_profile_manager_(
-          static_cast<TestingBrowserProcess*>(g_browser_process)),
+          TestingBrowserProcess::GetGlobal()),
       valid_gaia_url_("https://accounts.google.com/"),
       db_thread_(content::BrowserThread::DB, &message_loop_),
       fub_thread_(content::BrowserThread::FILE_USER_BLOCKING, &message_loop_),
       io_thread_(content::BrowserThread::IO, &message_loop_) {
 }
 
 OneClickSigninHelperIOTest::~OneClickSigninHelperIOTest() {
 }
 
 void OneClickSigninHelperIOTest::SetUp() {
@@ skipping 360 matching lines @@
                 valid_gaia_url_, "", &request_, io_data.get()));
 }
 
 TEST_F(OneClickSigninHelperIOTest, CanOfferOnIOThreadNoSigninCookies) {
   AllowSigninCookies(false);
   scoped_ptr<TestProfileIOData> io_data(CreateTestProfileIOData(false));
   EXPECT_EQ(OneClickSigninHelper::DONT_OFFER,
             OneClickSigninHelper::CanOfferOnIOThreadImpl(
                 valid_gaia_url_, "", &request_, io_data.get()));
 }