Move PathExists to base namespace.

chrome/browser/importer/safari_importer_unittest.mm

 // 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 "chrome/browser/importer/safari_importer.h"
 
 #include "base/basictypes.h"
 #include "base/file_util.h"
 #include "base/files/file_path.h"
 #include "base/files/scoped_temp_dir.h"
@@ skipping 19 matching lines @@
 
   // Our simulated ~/Library directory
   test_dir = test_dir.AppendASCII("safari_import");
   return test_dir;
 }
 
 class SafariImporterTest : public PlatformTest {
  public:
   SafariImporter* GetSafariImporter() {
     base::FilePath test_library_dir = GetTestSafariLibraryPath();
-    CHECK(file_util::PathExists(test_library_dir))  <<
+    CHECK(base::PathExists(test_library_dir))  <<
         "Missing test data directory";
 
     return new SafariImporter(test_library_dir);
   }
 };
 
 TEST_F(SafariImporterTest, HistoryImport) {
   scoped_refptr<SafariImporter> importer(GetSafariImporter());
 
   std::vector<ImporterURLRow> history_items;
@@ skipping 140 matching lines @@
   EXPECT_EQ(items & importer::COOKIES, importer::NONE);
   EXPECT_EQ(items & importer::PASSWORDS, importer::NONE);
   EXPECT_EQ(items & importer::SEARCH_ENGINES, importer::NONE);
   EXPECT_EQ(items & importer::HOME_PAGE, importer::NONE);
 
   // Check that we don't import anything from a bogus library directory.
   base::ScopedTempDir fake_library_dir;
   ASSERT_TRUE(fake_library_dir.CreateUniqueTempDir());
   EXPECT_FALSE(SafariImporter::CanImport(fake_library_dir.path(), &items));
 }