Gallery.app: Fix image rotation in the image editor.

ui/file_manager/file_manager/foreground/js/metadata/metadata_cache.js

Index: ui/file_manager/file_manager/foreground/js/metadata/metadata_cache.js
diff --git a/ui/file_manager/file_manager/foreground/js/metadata/metadata_cache.js b/ui/file_manager/file_manager/foreground/js/metadata/metadata_cache.js
index 33082e8e14e4e3f59d7e9d74dc1be5ce169b72b4..119f86456c7593955ee978f8b6ff1914f03a70ea 100644
--- a/ui/file_manager/file_manager/foreground/js/metadata/metadata_cache.js
+++ b/ui/file_manager/file_manager/foreground/js/metadata/metadata_cache.js
@@ -1000,14 +1000,14 @@ ContentProvider.ConvertContentMetadata = function(metadata, opt_result) {
 
   for (var key in metadata) {
     if (metadata.hasOwnProperty(key)) {
-      if (!('media' in result)) result.media = {};
+      if (!result.media)
+        result.media = {};
       result.media[key] = metadata[key];
     }
   }
 
-  if ('media' in result) {
+  if (result.media)
     result.fetchedMedia = result.media;
-  }
 
   return result;
 };