Files.app: Rename FileSystemMetadata with MetadataModel.

ui/file_manager/gallery/js/gallery_item.js

Index: ui/file_manager/gallery/js/gallery_item.js
diff --git a/ui/file_manager/gallery/js/gallery_item.js b/ui/file_manager/gallery/js/gallery_item.js
index 2db056dc9cdb29b797b18d0554ae874dbbec8dd8..6d87f3ea692973a0fe5d86e704513e2a04707b0c 100644
--- a/ui/file_manager/gallery/js/gallery_item.js
+++ b/ui/file_manager/gallery/js/gallery_item.js
@@ -9,13 +9,13 @@
  * @param {!EntryLocation} locationInfo Entry location information.
  * @param {!Object} metadata Metadata for the entry.
  * @param {!MetadataCache} metadataCache Metadata cache instance.
- * @param {!FileSystemMetadata} fileSystemMetadata File system metadata.
+ * @param {!MetadataModel} metadataModel File system metadata.
  * @param {boolean} original Whether the entry is original or edited.
  * @constructor
  * @struct
  */
 Gallery.Item = function(
-    entry, locationInfo, metadata, metadataCache, fileSystemMetadata,
+    entry, locationInfo, metadata, metadataCache, metadataModel,
     original) {
   /**
    * @type {!FileEntry}
@@ -43,11 +43,11 @@ Gallery.Item = function(
   this.metadataCache_ = metadataCache;
 
   /**
-   * @type {!FileSystemMetadata}
+   * @type {!MetadataModel}
    * @private
    * @const
    */
-  this.fileSystemMetadata_ = fileSystemMetadata;
+  this.metadataModel_ = metadataModel;
 
   // TODO(yawano): Change this.contentImage and this.screenImage to private
   // fields and provide utility methods for them (e.g. revokeFullImageCache).
@@ -271,7 +271,7 @@ Gallery.Item.prototype.saveToFile = function(
               opt_callback(false);
           }
         }.bind(this));
-    this.fileSystemMetadata_.notifyEntriesChanged([this.entry_]);
+    this.metadataModel_.notifyEntriesChanged([this.entry_]);
   }.bind(this);
 
   var onError = function(error) {
@@ -282,7 +282,7 @@ Gallery.Item.prototype.saveToFile = function(
   };
 
   var doSave = function(newFile, fileEntry) {
-    var metadataPromise = this.fileSystemMetadata_.get(
+    var metadataPromise = this.metadataModel_.get(
         [fileEntry],
         ['mediaMimeType', 'contentMimeType', 'ifd', 'exifLittleEndian']);
     metadataPromise.then(function(metadataItems) {