Move WriteFile and WriteFileDescriptor from file_util to base namespace.

net/disk_cache/simple/simple_version_upgrade_unittest.cc

 // Copyright 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 "net/disk_cache/simple/simple_version_upgrade.h"
 
 #include "base/basictypes.h"
 #include "base/file_util.h"
 #include "base/files/file_path.h"
 #include "base/files/scoped_temp_dir.h"
@@ skipping 21 matching lines @@
 const char kIndexFileName[] = "the-real-index";
 
 bool WriteFakeIndexFileV5(const base::FilePath& cache_path) {
   disk_cache::FakeIndexData data;
   data.version = 5;
   data.initial_magic_number = kSimpleInitialMagicNumber;
   data.unused_must_be_zero1 = 0;
   data.unused_must_be_zero2 = 0;
   const base::FilePath file_name = cache_path.AppendASCII("index");
   return sizeof(data) ==
-         file_util::WriteFile(
+         base::WriteFile(
              file_name, reinterpret_cast<const char*>(&data), sizeof(data));
 }
 
 TEST(SimpleVersionUpgradeTest, FailsToMigrateBackwards) {
   base::ScopedTempDir cache_dir;
   ASSERT_TRUE(cache_dir.CreateUniqueTempDir());
   const base::FilePath cache_path = cache_dir.path();
 
   disk_cache::FakeIndexData data;
   data.version = 100500;
   data.initial_magic_number = kSimpleInitialMagicNumber;
   data.unused_must_be_zero1 = 0;
   data.unused_must_be_zero2 = 0;
   const base::FilePath file_name = cache_path.AppendASCII(kFakeIndexFileName);
   ASSERT_EQ(implicit_cast<int>(sizeof(data)),
-            file_util::WriteFile(
+            base::WriteFile(
                 file_name, reinterpret_cast<const char*>(&data), sizeof(data)));
   EXPECT_FALSE(disk_cache::UpgradeSimpleCacheOnDisk(cache_dir.path()));
 }
 
 TEST(SimpleVersionUpgradeTest, FakeIndexVersionGetsUpdated) {
   base::ScopedTempDir cache_dir;
   ASSERT_TRUE(cache_dir.CreateUniqueTempDir());
   const base::FilePath cache_path = cache_dir.path();
 
   WriteFakeIndexFileV5(cache_path);
   const std::string file_contents("incorrectly serialized data");
   const base::FilePath index_file = cache_path.AppendASCII(kIndexFileName);
   ASSERT_EQ(implicit_cast<int>(file_contents.size()),
-            file_util::WriteFile(
+            base::WriteFile(
                 index_file, file_contents.data(), file_contents.size()));
 
   // Upgrade.
   ASSERT_TRUE(disk_cache::UpgradeSimpleCacheOnDisk(cache_path));
 
   // Check that the version in the fake index file is updated.
   std::string new_fake_index_contents;
   ASSERT_TRUE(base::ReadFileToString(cache_path.AppendASCII(kFakeIndexFileName),
                                      &new_fake_index_contents));
   const disk_cache::FakeIndexData* fake_index_header;
   EXPECT_EQ(sizeof(*fake_index_header), new_fake_index_contents.size());
   fake_index_header = reinterpret_cast<const disk_cache::FakeIndexData*>(
       new_fake_index_contents.data());
   EXPECT_EQ(disk_cache::kSimpleVersion, fake_index_header->version);
   EXPECT_EQ(kSimpleInitialMagicNumber, fake_index_header->initial_magic_number);
 }
 
 TEST(SimpleVersionUpgradeTest, UpgradeV5V6IndexMustDisappear) {
   base::ScopedTempDir cache_dir;
   ASSERT_TRUE(cache_dir.CreateUniqueTempDir());
   const base::FilePath cache_path = cache_dir.path();
 
   WriteFakeIndexFileV5(cache_path);
   const std::string file_contents("incorrectly serialized data");
   const base::FilePath index_file = cache_path.AppendASCII(kIndexFileName);
   ASSERT_EQ(implicit_cast<int>(file_contents.size()),
-            file_util::WriteFile(
+            base::WriteFile(
                 index_file, file_contents.data(), file_contents.size()));
 
   // Create a few entry-like files.
   const uint64 kEntries = 5;
   for (uint64 entry_hash = 0; entry_hash < kEntries; ++entry_hash) {
     for (int index = 0; index < 3; ++index) {
       std::string file_name =
           base::StringPrintf("%016" PRIx64 "_%1d", entry_hash, index);
       std::string entry_contents =
           file_contents +
           base::StringPrintf(" %" PRIx64, implicit_cast<uint64>(entry_hash));
       ASSERT_EQ(implicit_cast<int>(entry_contents.size()),
-                file_util::WriteFile(cache_path.AppendASCII(file_name),
+                base::WriteFile(cache_path.AppendASCII(file_name),
                                      entry_contents.data(),
                                      entry_contents.size()));
     }
   }
 
   // Upgrade.
   ASSERT_TRUE(disk_cache::UpgradeIndexV5V6(cache_path));
 
   // Check that the old index disappeared but the files remain unchanged.
   EXPECT_FALSE(base::PathExists(index_file));
   for (uint64 entry_hash = 0; entry_hash < kEntries; ++entry_hash) {
     for (int index = 0; index < 3; ++index) {
       std::string file_name =
           base::StringPrintf("%016" PRIx64 "_%1d", entry_hash, index);
       std::string expected_contents =
           file_contents +
           base::StringPrintf(" %" PRIx64, implicit_cast<uint64>(entry_hash));
       std::string real_contents;
       EXPECT_TRUE(base::ReadFileToString(cache_path.AppendASCII(file_name),
                                          &real_contents));
       EXPECT_EQ(expected_contents, real_contents);
     }
   }
 }
 
 }  // namespace
 
 #endif  // defined(OS_POSIX)