Enable Quick View on file selector / file download window.

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 e711f470d9cafacf97a6bf6601eb8b6a37c6f4bd..e45de75f27c586a00267befd802d16084bea406a 100644
--- a/ui/file_manager/file_manager/foreground/js/file_manager.js
+++ b/ui/file_manager/file_manager/foreground/js/file_manager.js
@@ -543,6 +543,25 @@ FileManager.prototype = /** @struct */ {
     /**@private {!FilesQuickView} */
     var quickView = /** @type {!FilesQuickView} */
         (queryRequiredElement('#quick-view'));
+    var fileListSelectionModel = /** @type {!cr.ui.ListSelectionModel} */ (
+        this.directoryModel_.getFileListSelection());
+    chrome.commandLinePrivate.hasSwitch(
+        'disable-files-quick-view', function(disabled) {
+          if (!disabled) {
+            this.quickViewUma_ =
+                new QuickViewUma(assert(this.volumeManager_));
+            this.quickViewController_ = new QuickViewController(
+                quickView, assert(this.metadataModel_),
+                assert(this.selectionHandler_),
+                assert(this.ui_.listContainer), assert(this.quickViewModel_),
+                assert(this.taskController_),
+                fileListSelectionModel,
+                assert(this.quickViewUma_));
+            this.metadataBoxController_ = new MetadataBoxController(
+                this.metadataModel_, quickView.getFilesMetadataBox(),
+                quickView, this.quickViewModel_, this.fileMetadataFormatter_);
+          }
+        }.bind(this));
 
     if (this.dialogType === DialogType.FULL_PAGE) {
       importer.importEnabled().then(
@@ -558,25 +577,6 @@ FileManager.prototype = /** @struct */ {
                   assert(this.tracker_));
             }
           }.bind(this));
-      var fileListSelectionModel = /** @type {!cr.ui.ListSelectionModel} */ (
-          this.directoryModel_.getFileListSelection());
-      chrome.commandLinePrivate.hasSwitch(
-          'disable-files-quick-view', function(disabled) {
-            if (!disabled) {
-              this.quickViewUma_ =
-                  new QuickViewUma(assert(this.volumeManager_));
-              this.quickViewController_ = new QuickViewController(
-                  quickView, assert(this.metadataModel_),
-                  assert(this.selectionHandler_),
-                  assert(this.ui_.listContainer), assert(this.quickViewModel_),
-                  assert(this.taskController_),
-                  fileListSelectionModel,
-                  assert(this.quickViewUma_));
-              this.metadataBoxController_ = new MetadataBoxController(
-                  this.metadataModel_, quickView.getFilesMetadataBox(),
-                  quickView, this.quickViewModel_, this.fileMetadataFormatter_);
-            }
-          }.bind(this));
     }
 
     assert(this.fileFilter_);