Rename BASE_API to BASE_EXPORT.

base/win/event_trace_provider.h

Index: base/win/event_trace_provider.h
===================================================================
--- base/win/event_trace_provider.h	(revision 95578)
+++ base/win/event_trace_provider.h	(working copy)
@@ -12,7 +12,7 @@
 #include <wmistr.h>
 #include <evntrace.h>
 
-#include "base/base_api.h"
+#include "base/base_export.h"
 #include "base/basictypes.h"
 
 namespace base {
@@ -82,7 +82,7 @@
 // a particular trace level, and whether particular enable flags are set,
 // before other resources are consumed to generate and issue the log
 // messages themselves.
-class BASE_API EtwTraceProvider {
+class BASE_EXPORT EtwTraceProvider {
  public:
   // Creates an event trace provider identified by provider_name, which
   // will be the name registered with Event Tracing for Windows (ETW).