linux: components support for base/

base/string16.h

-// Copyright (c) 2006-2008 The Chromium Authors. All rights reserved.
+// Copyright (c) 2011 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.
 
 #ifndef BASE_STRING16_H_
 #define BASE_STRING16_H_
 #pragma once
 
 // WHAT:
 // A version of std::basic_string that provides 2-byte characters even when
 // wchar_t is not implemented as a 2-byte type. You can access this class as
@@ skipping 11 matching lines @@
 // entirely improper on those systems where the encoding of wchar_t is defined
 // as UTF-32.
 //
 // Here, we define string16, which is similar to std::wstring but replaces all
 // libc functions with custom, 2-byte-char compatible routines. It is capable
 // of carrying UTF-16-encoded data.
 
 #include <stdio.h>
 #include <string>
 
+#include "base/base_api.h"
 #include "base/basictypes.h"
 
 #if defined(WCHAR_T_IS_UTF16)
 
 typedef wchar_t char16;
 typedef std::wstring string16;
 
 #elif defined(WCHAR_T_IS_UTF32)
 
 typedef uint16 char16;
@@ skipping 118 matching lines @@
 // to occur even when a std::basic_string<> does not cross shared library
 // boundaries, such as in statically-linked executables.
 //
 // TODO(mark): File this bug with Apple and update this note with a bug number.
 
 extern template class std::basic_string<char16, base::string16_char_traits>;
 
 typedef std::basic_string<char16, base::string16_char_traits> string16;
 
 namespace base {
-extern std::ostream& operator<<(std::ostream& out, const string16& str);
+BASE_API extern std::ostream& operator<<(std::ostream& out,
+                                         const string16& str);
 }
 
 #endif  // WCHAR_T_IS_UTF32
 
 #endif  // BASE_STRING16_H_