Remove UTF string conversion functions from the global namespace.

third_party/leveldatabase/env_chromium.cc

 // Copyright (c) 2011 The LevelDB Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file. See the AUTHORS file for names of contributors.
 
 #include <errno.h>
 #include <stdio.h>
 #include <string.h>
 
 #include <deque>
 
@@ skipping 66 matching lines @@
   return HANDLE_EINTR(fsync(fildes));
 #endif
 }
 #endif
 
 #endif
 
 // Wide-char safe fopen wrapper.
 FILE* fopen_internal(const char* fname, const char* mode) {
 #if defined(OS_WIN)
-  return _wfopen(UTF8ToUTF16(fname).c_str(), ASCIIToUTF16(mode).c_str());
+  return _wfopen(base::UTF8ToUTF16(fname).c_str(),
+                 base::ASCIIToUTF16(mode).c_str());
 #else
   return fopen(fname, mode);
 #endif
 }
 
 base::FilePath CreateFilePath(const std::string& file_path) {
 #if defined(OS_WIN)
-  return base::FilePath(UTF8ToUTF16(file_path));
+  return base::FilePath(base::UTF8ToUTF16(file_path));
 #else
   return base::FilePath(file_path);
 #endif
 }
 
 static const base::FilePath::CharType kLevelDBTestDirectoryPrefix[]
     = FILE_PATH_LITERAL("leveldb-test-");
 
 const char* PlatformFileErrorString(const ::base::PlatformFileError& error) {
   switch (error) {
@@ skipping 374 matching lines @@
 }
 
 bool IsCorruption(const leveldb::Status& status) {
   // LevelDB returns InvalidArgument when an sst file is truncated but there is
   // no IsInvalidArgument() accessor defined.
   return status.IsCorruption() || (!status.ok() && !IsIOError(status));
 }
 
 std::string FilePathToString(const base::FilePath& file_path) {
 #if defined(OS_WIN)
-  return UTF16ToUTF8(file_path.value());
+  return base::UTF16ToUTF8(file_path.value());
 #else
   return file_path.value();
 #endif
 }
 
 ChromiumWritableFile::ChromiumWritableFile(const std::string& fname,
                                            FILE* f,
                                            const UMALogger* uma_logger,
                                            WriteTracker* tracker,
                                            bool make_backup)
@@ skipping 707 matching lines @@
 Env* IDBEnv() {
   return leveldb_env::idb_env.Pointer();
 }
 
 Env* Env::Default() {
   return leveldb_env::default_env.Pointer();
 }
 
 }  // namespace leveldb