Move WriteFile and WriteFileDescriptor from file_util to base namespace.

chrome/browser/chromeos/settings/owner_key_util_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 "chrome/browser/chromeos/settings/owner_key_util.h"
 
 #include <string>
 #include <vector>
 
 #include "base/basictypes.h"
@@ skipping 53 matching lines @@
 
  private:
   DISALLOW_COPY_AND_ASSIGN(OwnerKeyUtilTest);
 };
 
 TEST_F(OwnerKeyUtilTest, ImportPublicKey) {
   // Export public key, so that we can compare it to the one we get off disk.
   std::vector<uint8> public_key(kTestKeyData,
                                 kTestKeyData + sizeof(kTestKeyData));
   ASSERT_EQ(static_cast<int>(public_key.size()),
-            file_util::WriteFile(
+            base::WriteFile(
                 key_file_,
                 reinterpret_cast<const char*>(vector_as_array(&public_key)),
                 public_key.size()));
   EXPECT_TRUE(util_->IsPublicKeyPresent());
 
   std::vector<uint8> from_disk;
   EXPECT_TRUE(util_->ImportPublicKey(&from_disk));
 
   EXPECT_EQ(public_key, from_disk);
 }
 
 TEST_F(OwnerKeyUtilTest, ImportPublicKeyFailed) {
   // First test the case where the file is missing which should fail.
   EXPECT_FALSE(util_->IsPublicKeyPresent());
   std::vector<uint8> from_disk;
   EXPECT_FALSE(util_->ImportPublicKey(&from_disk));
 
   // Next try empty file. This should fail and the array should be empty.
   from_disk.resize(10);
-  ASSERT_EQ(0, file_util::WriteFile(key_file_, "", 0));
+  ASSERT_EQ(0, base::WriteFile(key_file_, "", 0));
   EXPECT_TRUE(util_->IsPublicKeyPresent());
   EXPECT_FALSE(util_->ImportPublicKey(&from_disk));
   EXPECT_FALSE(from_disk.size());
 }
 
 }  // namespace chromeos