Move WriteFile and WriteFileDescriptor from file_util to base namespace.

extensions/common/file_util_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 "extensions/common/file_util.h"
 
 #include "base/basictypes.h"
 #include "base/file_util.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "url/gurl.h"
@@ skipping 48 matching lines @@
   ASSERT_TRUE(base::CreateNewTempDirectory(
       base::FilePath::StringType(), &root_path));
   root_path = base::MakeAbsoluteFilePath(root_path);
   ASSERT_FALSE(root_path.empty());
 
   base::FilePath api_path = root_path.Append(FILE_PATH_LITERAL("apiname"));
   ASSERT_TRUE(base::CreateDirectory(api_path));
 
   const char data[] = "Test Data";
   base::FilePath resource_path = api_path.Append(FILE_PATH_LITERAL("test.js"));
-  ASSERT_TRUE(file_util::WriteFile(resource_path, data, sizeof(data)));
+  ASSERT_TRUE(base::WriteFile(resource_path, data, sizeof(data)));
   resource_path = api_path.Append(FILE_PATH_LITERAL("escape spaces.js"));
-  ASSERT_TRUE(file_util::WriteFile(resource_path, data, sizeof(data)));
+  ASSERT_TRUE(base::WriteFile(resource_path, data, sizeof(data)));
 
 #ifdef FILE_PATH_USES_WIN_SEPARATORS
 #define SEP "\\"
 #else
 #define SEP "/"
 #endif
 #define URL_PREFIX "chrome-extension-resource://"
   struct TestCase {
     const char* url;
     const base::FilePath::CharType* expected_path;
@@ skipping 30 matching lines @@
       expected_path = root_path.Append(FILE_PATH_LITERAL("apiname")).Append(
           test_cases[i].expected_path);
     base::FilePath actual_path =
         extensions::file_util::ExtensionResourceURLToFilePath(url, root_path);
     EXPECT_EQ(expected_path.value(), actual_path.value()) <<
       " For the path " << url;
   }
   // Remove temp files.
   ASSERT_TRUE(base::DeleteFile(root_path, true));
 }