prune down content_dll change to just the CONTENT_EXPORTS

content/browser/download/download_persistent_store_info.h

Index: content/browser/download/download_persistent_store_info.h
diff --git a/content/browser/download/download_persistent_store_info.h b/content/browser/download/download_persistent_store_info.h
index 7ac0853dbd7112fda62d24745dfa53689b975068..948d0481d43e83895bf1b9c72991397037196276 100644
--- a/content/browser/download/download_persistent_store_info.h
+++ b/content/browser/download/download_persistent_store_info.h
@@ -13,13 +13,14 @@
 
 #include "base/file_path.h"
 #include "base/time.h"
+#include "content/common/content_export.h"
 #include "googleurl/src/gurl.h"
 
 class DownloadItem;
 
 // Contains the information that is stored in the download system's persistent
 // store (or refers to it).  Managed by the DownloadItem.
-struct DownloadPersistentStoreInfo {
+struct CONTENT_EXPORT DownloadPersistentStoreInfo {
   // TODO(ahendrickson) -- Reduce the number of constructors.
   DownloadPersistentStoreInfo();
   DownloadPersistentStoreInfo(const FilePath& path,