Update chrome for new prefs location.

chrome/browser/extensions/policy_handlers_unittest.cc

 // Copyright 2013 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/json/json_reader.h"
-#include "base/prefs/pref_value_map.h"
 #include "chrome/browser/extensions/external_policy_loader.h"
 #include "chrome/browser/extensions/policy_handlers.h"
 #include "components/policy/core/browser/policy_error_map.h"
 #include "components/policy/core/common/policy_map.h"
 #include "components/policy/core/common/policy_types.h"
 #include "components/policy/core/common/schema.h"
+#include "components/prefs/pref_value_map.h"
 #include "extensions/browser/pref_names.h"
 #include "policy/policy_constants.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace extensions {
 
 const char kTestPref[] = "unit_test.test_pref";
 const char kTestManagementPolicy1[] =
     "{"
     "  \"abcdefghijklmnopabcdefghijklmnop\": {"
@@ skipping 341 matching lines @@
                  policy_value->DeepCopy(),
                  NULL);
   EXPECT_TRUE(handler.CheckPolicySettings(policy_map, &errors));
   handler.ApplyPolicySettings(policy_map, &prefs);
   base::Value* value = NULL;
   ASSERT_TRUE(prefs.GetValue(pref_names::kExtensionManagement, &value));
   EXPECT_TRUE(base::Value::Equals(policy_value.get(), value));
 }
 
 }  // namespace extensions