Move prefs-related files under chrome/browser/ into a prefs/ subdir.

chrome/browser/extensions/extension_override_apitest.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 "chrome/browser/browser.h"
 #include "chrome/browser/browser_list.h"
 #include "chrome/browser/extensions/extension_apitest.h"
 #include "chrome/browser/extensions/extension_dom_ui.h"
 #include "chrome/browser/extensions/extensions_service.h"
-#include "chrome/browser/pref_service.h"
+#include "chrome/browser/prefs/pref_service.h"
 #include "chrome/browser/profile.h"
 #include "chrome/browser/tab_contents/tab_contents.h"
 #include "chrome/common/url_constants.h"
 #include "chrome/test/ui_test_utils.h"
 
 class ExtensionOverrideTest : public ExtensionApiTest {
  protected:
   bool CheckHistoryOverridesContainsNoDupes() {
     // There should be no duplicate entries in the preferences.
     const DictionaryValue* overrides =
@@ skipping 100 matching lines @@
 
   browser()->profile()->GetPrefs()->GetMutableDictionary(
       ExtensionDOMUI::kExtensionURLOverrides)->Set("history", list);
 
   ASSERT_FALSE(CheckHistoryOverridesContainsNoDupes());
 
   ASSERT_TRUE(LoadExtension(test_data_dir_.AppendASCII("override/history")));
 
   ASSERT_TRUE(CheckHistoryOverridesContainsNoDupes());
 }