Rename BASE_API to BASE_EXPORT.

base/scoped_temp_dir.h

Index: base/scoped_temp_dir.h
===================================================================
--- base/scoped_temp_dir.h	(revision 95578)
+++ base/scoped_temp_dir.h	(working copy)
@@ -16,10 +16,10 @@
 // (CreateUniqueTempDir, CreateUniqueTempDirUnderPath, and Set) must have
 // intervening calls to Delete or Take, or the calls will fail.
 
-#include "base/base_api.h"
+#include "base/base_export.h"
 #include "base/file_path.h"
 
-class BASE_API ScopedTempDir {
+class BASE_EXPORT ScopedTempDir {
  public:
   // No directory is owned/created initially.
   ScopedTempDir();