linux: components support for base/

base/string16.h

Index: base/string16.h
diff --git a/base/string16.h b/base/string16.h
index 25e980c5866e267f34a69fae10e1a0547e991d0b..be0c7d9d97346ee33dc1fe65bc3324ef6e881fa7 100644
--- a/base/string16.h
+++ b/base/string16.h
@@ -1,4 +1,4 @@
-// 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.
 
@@ -30,6 +30,7 @@
 #include <stdio.h>
 #include <string>
 
+#include "base/base_api.h"
 #include "base/basictypes.h"
 
 #if defined(WCHAR_T_IS_UTF16)
@@ -168,7 +169,8 @@ 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