Move WriteFile and WriteFileDescriptor from file_util to base namespace.

chrome/installer/util/logging_installer_unittest.cc

Index: chrome/installer/util/logging_installer_unittest.cc
diff --git a/chrome/installer/util/logging_installer_unittest.cc b/chrome/installer/util/logging_installer_unittest.cc
index ccd080b41c27e0bd34b5c2df0b3aef90e4337268..19eef2f7473793ea0760771b9492beffefb80abf 100644
--- a/chrome/installer/util/logging_installer_unittest.cc
+++ b/chrome/installer/util/logging_installer_unittest.cc
@@ -20,7 +20,7 @@ TEST(LoggingInstallerTest, TestTruncate) {
 
   base::FilePath temp_file = temp_dir.path().Append(L"temp");
   EXPECT_EQ(test_data.size(),
-            file_util::WriteFile(temp_file, &test_data[0], test_data.size()));
+            base::WriteFile(temp_file, &test_data[0], test_data.size()));
   ASSERT_TRUE(base::PathExists(temp_file));
 
   int64 file_size = 0;
@@ -45,7 +45,7 @@ TEST(LoggingInstallerTest, TestTruncationNotNeeded) {
 
   base::FilePath temp_file = temp_dir.path().Append(L"temp");
   EXPECT_EQ(test_data.size(),
-            file_util::WriteFile(temp_file, &test_data[0], test_data.size()));
+            base::WriteFile(temp_file, &test_data[0], test_data.size()));
   ASSERT_TRUE(base::PathExists(temp_file));
 
   int64 file_size = 0;
@@ -67,7 +67,7 @@ TEST(LoggingInstallerTest, TestInUseNeedsTruncation) {
 
   base::FilePath temp_file = temp_dir.path().Append(L"temp");
   EXPECT_EQ(test_data.size(),
-            file_util::WriteFile(temp_file, &test_data[0], test_data.size()));
+            base::WriteFile(temp_file, &test_data[0], test_data.size()));
   ASSERT_TRUE(base::PathExists(temp_file));
   int64 file_size = 0;
   EXPECT_TRUE(base::GetFileSize(temp_file, &file_size));
@@ -95,7 +95,7 @@ TEST(LoggingInstallerTest, TestMoveFailsNeedsTruncation) {
 
   base::FilePath temp_file = temp_dir.path().Append(L"temp");
   EXPECT_EQ(test_data.size(),
-            file_util::WriteFile(temp_file, &test_data[0], test_data.size()));
+            base::WriteFile(temp_file, &test_data[0], test_data.size()));
   ASSERT_TRUE(base::PathExists(temp_file));
   int64 file_size = 0;
   EXPECT_TRUE(base::GetFileSize(temp_file, &file_size));