Files.app: Use new metadata models in DirectoryModel.

ui/file_manager/file_manager/foreground/js/file_manager.js

Index: ui/file_manager/file_manager/foreground/js/file_manager.js
diff --git a/ui/file_manager/file_manager/foreground/js/file_manager.js b/ui/file_manager/file_manager/foreground/js/file_manager.js
index b9290b81257a7b25cdaa52a4ba193010daef6523..30a6a303acb60317e087afedf36b56234b0c9a57 100644
--- a/ui/file_manager/file_manager/foreground/js/file_manager.js
+++ b/ui/file_manager/file_manager/foreground/js/file_manager.js
@@ -61,6 +61,17 @@ function FileManager() {
   this.metadataCache_ = null;
 
   /**
+   * @private {!MetadataProviderCache}
+   * @const
+   */
+  this.metadataProviderCache_ = new MetadataProviderCache();
+
+  /**
+   * @private {FileSystemMetadata}
+   */
+  this.fileSystemMetadata_ = null;
+
+  /**
    * File operation manager.
    * @type {FileOperationManager}
    * @private
@@ -680,7 +691,13 @@ FileManager.prototype = /** @struct */ {
          DialogType.FULL_PAGE]);
 
     // Create the metadata cache.
+    assert(this.volumeManager_);
     this.metadataCache_ = MetadataCache.createFull(this.volumeManager_);
+    this.fileSystemMetadata_ = new FileSystemMetadata(
+        this.metadataProviderCache_,
+        new FileSystemMetadataProvider(this.metadataProviderCache_),
+        new ExternalMetadataProvider(this.metadataProviderCache_),
+        this.volumeManager_);
 
     // Create the root view of FileManager.
     assert(this.dialogDom_);
@@ -832,11 +849,13 @@ FileManager.prototype = /** @struct */ {
 
     assert(this.volumeManager_);
     assert(this.fileOperationManager_);
+    assert(this.fileSystemMetadata_);
     this.directoryModel_ = new DirectoryModel(
         singleSelection,
         this.fileFilter_,
         this.fileWatcher_,
         this.metadataCache_,
+        this.fileSystemMetadata_,
         this.volumeManager_,
         this.fileOperationManager_);