Revert of Delete base/prefs and update callers to use components.

components/bookmarks/managed/managed_bookmarks_tracker_unittest.cc

 // Copyright 2014 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/bookmarks/managed/managed_bookmarks_tracker.h"
 
 #include <utility>
 
 #include "base/bind.h"
 #include "base/files/file_path.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/message_loop/message_loop.h"
+#include "base/prefs/pref_registry_simple.h"
+#include "base/prefs/testing_pref_service.h"
 #include "base/strings/utf_string_conversions.h"
 #include "base/thread_task_runner_handle.h"
 #include "components/bookmarks/browser/bookmark_model.h"
 #include "components/bookmarks/browser/bookmark_model_observer.h"
 #include "components/bookmarks/browser/bookmark_node.h"
 #include "components/bookmarks/common/bookmark_pref_names.h"
 #include "components/bookmarks/test/bookmark_test_helpers.h"
 #include "components/bookmarks/test/mock_bookmark_model_observer.h"
 #include "components/bookmarks/test/test_bookmark_client.h"
-#include "components/prefs/pref_registry_simple.h"
-#include "components/prefs/testing_pref_service.h"
 #include "grit/components_strings.h"
 #include "testing/gmock/include/gmock/gmock.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "ui/base/l10n/l10n_util.h"
 #include "url/gurl.h"
 
 using testing::Mock;
 using testing::_;
 
 namespace bookmarks {
@@ skipping 301 matching lines @@
   Mock::VerifyAndClearExpectations(&observer_);
 
   EXPECT_CALL(observer_, BookmarkAllUserNodesRemoved(model_.get(), _));
   model_->RemoveAllUserBookmarks();
   EXPECT_EQ(2, managed_node()->child_count());
   EXPECT_EQ(0, model_->bookmark_bar_node()->child_count());
   Mock::VerifyAndClearExpectations(&observer_);
 }
 
 }  // namespace bookmarks