prune down content_dll change to just the CONTENT_EXPORTS

content/browser/cert_store.h

Index: content/browser/cert_store.h
diff --git a/content/browser/cert_store.h b/content/browser/cert_store.h
index 294e93208746987f35992a6df90506091abb19bf..326f1b8480d05a1f53ca7f96d488fba76a0c8909 100644
--- a/content/browser/cert_store.h
+++ b/content/browser/cert_store.h
@@ -10,6 +10,7 @@
 
 #include "base/memory/singleton.h"
 #include "base/synchronization/lock.h"
+#include "content/common/content_export.h"
 #include "content/common/notification_observer.h"
 #include "content/common/notification_registrar.h"
 #include "net/base/x509_certificate.h"
@@ -24,7 +25,7 @@
 // Note that the cert ids will overflow if we register more than 2^32 - 1 certs
 // in 1 browsing session (which is highly unlikely to happen).
 
-class CertStore : public NotificationObserver {
+class CONTENT_EXPORT CertStore : public NotificationObserver {
  public:
   // Returns the singleton instance of the CertStore.
   static CertStore* GetInstance();