Move WriteFile and WriteFileDescriptor from file_util to base namespace.

chrome/browser/chromeos/policy/power_policy_browsertest.cc

 // Copyright (c) 2013 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 <string>
 #include <vector>
 
 #include "base/basictypes.h"
 #include "base/bind.h"
 #include "base/callback.h"
@@ skipping 192 matching lines @@
   ASSERT_TRUE(PathService::Get(chromeos::DIR_USER_POLICY_KEYS, &user_keys_dir));
   std::string sanitized_username =
       chromeos::CryptohomeClient::GetStubSanitizedUsername(
           chromeos::UserManager::kStubUser);
   base::FilePath user_key_file =
       user_keys_dir.AppendASCII(sanitized_username)
                    .AppendASCII("policy.pub");
   std::vector<uint8> user_key_bits;
   ASSERT_TRUE(user_policy_.GetSigningKey()->ExportPublicKey(&user_key_bits));
   ASSERT_TRUE(base::CreateDirectory(user_key_file.DirName()));
-  ASSERT_EQ(file_util::WriteFile(
+  ASSERT_EQ(base::WriteFile(
                 user_key_file,
                 reinterpret_cast<const char*>(user_key_bits.data()),
                 user_key_bits.size()),
             static_cast<int>(user_key_bits.size()));
 }
 
 void PowerPolicyBrowserTestBase::StoreAndReloadUserPolicy() {
   ProfileManager* profile_manager = g_browser_process->profile_manager();
   Profile* profile = profile_manager->GetProfileByPath(
       profile_manager->user_data_dir().Append(
@@ skipping 291 matching lines @@
   policy = baseline_policy;
   policy.set_ac_idle_action(power_manager_client_->policy().ac_idle_action());
   policy.set_battery_idle_action(
       power_manager_client_->policy().battery_idle_action());
   policy.set_reason(power_manager_client_->policy().reason());
   EXPECT_EQ(GetDebugString(policy),
             GetDebugString(power_manager_client_->policy()));
 }
 
 }  // namespace policy