Move PathExists to base namespace.

chrome/browser/history/in_memory_url_index_unittest.cc

 // Copyright (c) 2012 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 <algorithm>
 #include <fstream>
 
 #include "base/auto_reset.h"
 #include "base/file_util.h"
 #include "base/files/file_path.h"
@@ skipping 185 matching lines @@
   ASSERT_TRUE(history_service_);
   HistoryBackend* backend = history_service_->history_backend_.get();
   history_database_ = backend->db();
 
   // Create and populate a working copy of the URL history database.
   base::FilePath history_proto_path;
   PathService::Get(chrome::DIR_TEST_DATA, &history_proto_path);
   history_proto_path = history_proto_path.Append(
       FILE_PATH_LITERAL("History"));
   history_proto_path = history_proto_path.Append(TestDBName());
-  EXPECT_TRUE(file_util::PathExists(history_proto_path));
+  EXPECT_TRUE(base::PathExists(history_proto_path));
 
   std::ifstream proto_file(history_proto_path.value().c_str());
   static const size_t kCommandBufferMaxSize = 2048;
   char sql_cmd_line[kCommandBufferMaxSize];
 
   sql::Connection& db(GetDB());
   ASSERT_TRUE(db.is_open());
   {
     sql::Transaction transaction(&db);
     transaction.Begin();
@@ skipping 953 matching lines @@
   full_file_path.GetComponents(&actual_parts);
   ASSERT_EQ(expected_parts.size(), actual_parts.size());
   size_t count = expected_parts.size();
   for (size_t i = 0; i < count; ++i)
     EXPECT_EQ(expected_parts[i], actual_parts[i]);
   // Must clear the history_dir_ to satisfy the dtor's DCHECK.
   set_history_dir(base::FilePath());
 }
 
 }  // namespace history