Deprecate *_EXPORT_PRIVATE macros.

components/invalidation/impl/p2p_invalidator.h

Index: components/invalidation/impl/p2p_invalidator.h
diff --git a/components/invalidation/impl/p2p_invalidator.h b/components/invalidation/impl/p2p_invalidator.h
index b7bc4622ebdc6ef149e5a9afaf8eb6797fe57943..c8ae1b58ccd502ebd3aa73eaab149189cc620842 100644
--- a/components/invalidation/impl/p2p_invalidator.h
+++ b/components/invalidation/impl/p2p_invalidator.h
@@ -43,16 +43,16 @@ enum P2PNotificationTarget {
   LAST_NOTIFICATION_TARGET = NOTIFY_ALL
 };
 
-INVALIDATION_EXPORT_PRIVATE std::string P2PNotificationTargetToString(
+INVALIDATION_EXPORT std::string P2PNotificationTargetToString(
     P2PNotificationTarget target);
 
 // If |target_str| can't be parsed, assumes NOTIFY_SELF.
-INVALIDATION_EXPORT_PRIVATE P2PNotificationTarget
+INVALIDATION_EXPORT P2PNotificationTarget
 P2PNotificationTargetFromString(const std::string& target_str);
 
 // Helper notification data class that can be serialized to and
 // deserialized from a string.
-class INVALIDATION_EXPORT_PRIVATE P2PNotificationData {
+class INVALIDATION_EXPORT P2PNotificationData {
  public:
   // Initializes with an empty sender ID, target set to NOTIFY_SELF,
   // and empty changed types.
@@ -85,7 +85,7 @@ class INVALIDATION_EXPORT_PRIVATE P2PNotificationData {
   ObjectIdInvalidationMap invalidation_map_;
 };
 
-class INVALIDATION_EXPORT_PRIVATE P2PInvalidator
+class INVALIDATION_EXPORT P2PInvalidator
     : public Invalidator,
       public NON_EXPORTED_BASE(notifier::PushClientObserver) {
  public: