Media Galleries: Allow readding blacklisted iApps libraries.

chrome/browser/media_galleries/fileapi/iapps_finder.h

Index: chrome/browser/media_galleries/fileapi/iapps_finder.h
diff --git a/chrome/browser/media_galleries/fileapi/iapps_finder.h b/chrome/browser/media_galleries/fileapi/iapps_finder.h
index a90219a52527b51fa805d1c130baaa39e59d9875..91e00351273a030c24ed549390c6f252c03ffaec 100644
--- a/chrome/browser/media_galleries/fileapi/iapps_finder.h
+++ b/chrome/browser/media_galleries/fileapi/iapps_finder.h
@@ -23,6 +23,11 @@ void FindIPhotoLibrary(const IAppsFinderCallback& callback);
 
 void FindITunesLibrary(const IAppsFinderCallback& callback);
 
+// Returns true if |path| is a directory within the iTunes or iPhoto device
+// specified by |unique_id| (the unique part of the device id).
+bool PathWithinIAppsLibrary(const std::string& unique_id,
+                            const base::FilePath& path);
+
 }  // namespace iapps
 
 #endif  // CHROME_BROWSER_MEDIA_GALLERIES_FILEAPI_IAPPS_FINDER_H_