Fix webkit_storage exports definitions

webkit/common/blob/shareable_file_reference.h

Index: webkit/common/blob/shareable_file_reference.h
diff --git a/webkit/common/blob/shareable_file_reference.h b/webkit/common/blob/shareable_file_reference.h
index 987374b4ee9759f1549cd44343746554e5648a6e..daaa20c1b7ff7d25f02e38cacbbb4e1cc3315a20 100644
--- a/webkit/common/blob/shareable_file_reference.h
+++ b/webkit/common/blob/shareable_file_reference.h
@@ -15,7 +15,7 @@ namespace webkit_blob {
 // same path if it already exists in its internal map.
 // This class is non-thread-safe and all methods must be called on a single
 // thread.
-class WEBKIT_COMMON_EXPORT ShareableFileReference
+class WEBKIT_STORAGE_COMMON_EXPORT ShareableFileReference
     : public base::RefCounted<ShareableFileReference> {
  public:
   typedef ScopedFile::ScopeOutCallback FinalReleaseCallback;