Rename BASE_API to BASE_EXPORT.

base/environment.h

Index: base/environment.h
===================================================================
--- base/environment.h	(revision 95578)
+++ base/environment.h	(working copy)
@@ -8,7 +8,7 @@
 
 #include <string>
 
-#include "base/base_api.h"
+#include "base/base_export.h"
 #include "build/build_config.h"
 
 namespace base {
@@ -16,12 +16,12 @@
 namespace env_vars {
 
 #if defined(OS_POSIX)
-BASE_API extern const char kHome[];
+BASE_EXPORT extern const char kHome[];
 #endif
 
 }  // namespace env_vars
 
-class BASE_API Environment {
+class BASE_EXPORT Environment {
  public:
   virtual ~Environment();