Update components for new prefs location.

components/proximity_auth/proximity_auth_pref_manager_unittest.cc

 // Copyright 2015 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 "components/proximity_auth/proximity_auth_pref_manager.h"
 
 #include <algorithm>
 #include <string>
 #include <vector>
 
 #include "base/macros.h"
 #include "base/memory/scoped_ptr.h"
-#include "base/prefs/testing_pref_service.h"
+#include "components/prefs/testing_pref_service.h"
 #include "components/proximity_auth/proximity_auth_pref_names.h"
 #include "testing/gmock/include/gmock/gmock.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace proximity_auth {
 namespace {
 
 const char kBluetoothAddress1[] = "11:22:33:44:55:66";
 const char kPublicKey1[] = "public key 1";
 
@@ skipping 126 matching lines @@
   // Note: it's not guarantee that the order in |public_key| is the same as
   // insertion, so directly comparing vectors would not work.
   EXPECT_TRUE(public_keys.size() == 2);
   EXPECT_TRUE(std::find(public_keys.begin(), public_keys.end(), kPublicKey1) !=
               public_keys.end());
   EXPECT_TRUE(std::find(public_keys.begin(), public_keys.end(), kPublicKey2) !=
               public_keys.end());
 }
 
 }  // namespace proximity_auth