Move the bits of Prefs where production code has only trivially easy

base/prefs/public/pref_change_registrar_unittest.cc

 // Copyright (c) 2010 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/prefs/public/pref_change_registrar.h"
 #include "chrome/common/chrome_notification_types.h"
 #include "chrome/common/pref_names.h"
-#include "chrome/browser/api/prefs/pref_change_registrar.h"
 #include "chrome/test/base/testing_pref_service.h"
 #include "content/public/browser/notification_details.h"
 #include "content/public/browser/notification_source.h"
 #include "content/public/browser/notification_types.h"
 #include "content/public/test/mock_notification_observer.h"
 #include "testing/gmock/include/gmock/gmock.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 using testing::Mock;
 using testing::Eq;
@@ skipping 180 matching lines @@
                       PrefNameDetails(prefs::kHomePageIsNewTabPage)));
   pref_service_->SetUserPref(prefs::kHomePageIsNewTabPage,
                              Value::CreateBooleanValue(true));
   Mock::VerifyAndClearExpectations(&observer);
 
   EXPECT_CALL(observer, Observe(_, _, _)).Times(0);
   pref_service_->SetUserPref(prefs::kApplicationLocale,
                              Value::CreateStringValue("en_US.utf8"));
   Mock::VerifyAndClearExpectations(&observer);
 }