Base: Last set of files to use BASE_API (for base.dll)

base/synchronization/condition_variable.h

Index: base/synchronization/condition_variable.h
===================================================================
--- base/synchronization/condition_variable.h	(revision 79631)
+++ base/synchronization/condition_variable.h	(working copy)
@@ -74,6 +74,7 @@
 #include <pthread.h>
 #endif
 
+#include "base/base_api.h"
 #include "base/basictypes.h"
 #include "base/synchronization/lock.h"
 
@@ -81,7 +82,7 @@
 
 class TimeDelta;
 
-class ConditionVariable {
+class BASE_API ConditionVariable {
  public:
   // Construct a cv for use with ONLY one user lock.
   explicit ConditionVariable(Lock* user_lock);