Move PathExists to base namespace.

base/platform_file_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 "base/file_util.h"
 #include "base/files/scoped_temp_dir.h"
 #include "base/platform_file.h"
 #include "base/time/time.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
@@ skipping 85 matching lines @@
       file_path,
       base::PLATFORM_FILE_OPEN_ALWAYS | base::PLATFORM_FILE_DELETE_ON_CLOSE |
           base::PLATFORM_FILE_READ,
       &created,
       &error_code);
   EXPECT_NE(base::kInvalidPlatformFileValue, file);
   EXPECT_TRUE(created);
   EXPECT_EQ(base::PLATFORM_FILE_OK, error_code);
 
   EXPECT_TRUE(base::ClosePlatformFile(file));
-  EXPECT_FALSE(file_util::PathExists(file_path));
+  EXPECT_FALSE(base::PathExists(file_path));
 }
 
 TEST(PlatformFile, DeleteOpenFile) {
   base::ScopedTempDir temp_dir;
   ASSERT_TRUE(temp_dir.CreateUniqueTempDir());
   FilePath file_path = temp_dir.path().AppendASCII("create_file_1");
 
   // Create a file.
   bool created = false;
   base::PlatformFileError error_code = base::PLATFORM_FILE_OK;
@@ skipping 15 matching lines @@
           base::PLATFORM_FILE_READ,
       &created,
       &error_code);
   EXPECT_NE(base::kInvalidPlatformFileValue, file);
   EXPECT_FALSE(created);
   EXPECT_EQ(base::PLATFORM_FILE_OK, error_code);
 
   // Close both handles and check that the file is gone.
   base::ClosePlatformFile(file);
   base::ClosePlatformFile(same_file);
-  EXPECT_FALSE(file_util::PathExists(file_path));
+  EXPECT_FALSE(base::PathExists(file_path));
 }
 
 TEST(PlatformFile, ReadWritePlatformFile) {
   base::ScopedTempDir temp_dir;
   ASSERT_TRUE(temp_dir.CreateUniqueTempDir());
   FilePath file_path = temp_dir.path().AppendASCII("read_write_file");
   base::PlatformFile file = base::CreatePlatformFile(
       file_path,
       base::PLATFORM_FILE_CREATE | base::PLATFORM_FILE_READ |
           base::PLATFORM_FILE_WRITE,
@@ skipping 238 matching lines @@
   EXPECT_EQ(info.last_modified.ToInternalValue(),
             new_last_modified.ToInternalValue());
 #endif
 
   EXPECT_EQ(info.creation_time.ToInternalValue(),
             creation_time.ToInternalValue());
 
   // Close the file handle to allow the temp directory to be deleted.
   base::ClosePlatformFile(file);
 }