Update chrome for new prefs location.

chrome/browser/content_settings/content_settings_supervised_provider_unittest.cc

 // Copyright (c) 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 "chrome/browser/content_settings/content_settings_supervised_provider.h"
 
 #include <string>
 
 #include "base/memory/scoped_ptr.h"
-#include "base/prefs/testing_pref_store.h"
 #include "chrome/browser/content_settings/content_settings_mock_observer.h"
 #include "chrome/browser/supervised_user/supervised_user_constants.h"
 #include "chrome/browser/supervised_user/supervised_user_settings_service.h"
 #include "components/content_settings/core/browser/content_settings_rule.h"
 #include "components/content_settings/core/browser/content_settings_utils.h"
+#include "components/prefs/testing_pref_store.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 using ::testing::_;
 
 namespace content_settings {
 
 class SupervisedUserProviderTest : public ::testing::Test {
  public:
   SupervisedUserProviderTest() : service_(nullptr) {}
 
@@ skipping 115 matching lines @@
   rule_iterator = provider_->GetRuleIterator(
       CONTENT_SETTINGS_TYPE_MEDIASTREAM_CAMERA, std::string(), false);
   EXPECT_FALSE(rule_iterator->HasNext());
   rule_iterator.reset();
   rule_iterator = provider_->GetRuleIterator(
       CONTENT_SETTINGS_TYPE_MEDIASTREAM_MIC, std::string(), false);
   EXPECT_FALSE(rule_iterator->HasNext());
 }
 
 }  // namespace content_settings