Dropping files into the root list.

chrome/browser/resources/file_manager/js/file_manager.js

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 /**
  * FileManager constructor.
  *
  * FileManager objects encapsulate the functionality of the file selector
  * dialogs, as well as the full screen file manager application (though the
  * latter is not yet implemented).
@@ skipping 501 matching lines @@
     this.refocus();
 
     this.metadataProvider_ =
         new MetadataProvider(this.filesystem_.root.toURL());
 
     // PyAuto tests monitor this state by polling this variable
     this.__defineGetter__('workerInitialized_', function() {
        return self.getMetadataProvider().isInitialized();
     });
 
-    this.directoryModel_.setOffline(this.isOffline());
-
     if (this.dialogType_ == FileManager.DialogType.FULL_PAGE)
       this.initDataTransferOperations_();
 
     this.table_.endBatchUpdates();
     this.grid_.endBatchUpdates();
 
     metrics.recordInterval('Load.DOM');
     metrics.recordInterval('Load.Total');
   };
 
   FileManager.prototype.initDataTransferOperations_ = function() {
     this.copyManager_ = new FileCopyManager(this.filesystem_.root);
     this.copyManager_.addEventListener('copy-progress',
                                        this.onCopyProgress_.bind(this));
     this.copyManager_.addEventListener('copy-operation-complete',
         this.onCopyManagerOperationComplete_.bind(this));
 
     var controller = this.fileTransferController_ = new FileTransferController(
         this.directoryModel_.getFileList(),
         this.directoryModel_.getFileListSelection(),
         GridItem.bind(null, this),
         this.copyManager_,
         this.directoryModel_);
     controller.attachDragSource(this.table_.list);
     controller.attachDropTarget(this.table_.list);
     controller.attachDragSource(this.grid_);
     controller.attachDropTarget(this.grid_);
+    controller.attachDropTarget(this.rootsList_, true);
     controller.attachCopyPasteHandlers(this.document_);
     controller.addEventListener('selection-copied',
         this.blinkSelection.bind(this));
     controller.addEventListener('selection-cut',
         this.blinkSelection.bind(this));
   };
 
   /**
    * One-time initialization of commands.
    */
@@ skipping 2047 matching lines @@
   };
 
   FileManager.prototype.onOnlineOffline_ = function() {
     if (this.isOffline()) {
       console.log('OFFLINE');
       this.dialogContainer_.setAttribute('offline', true);
     } else {
       console.log('ONLINE');
       this.dialogContainer_.removeAttribute('offline');
     }
-    this.directoryModel_.setOffline(this.isOffline());
   };
 
   FileManager.prototype.isOnGDataOffline = function() {
     return this.isOnGData() && this.isOffline();
   };
 
   FileManager.prototype.isOnReadonlyDirectory = function() {
     return this.directoryModel_.isReadOnly();
   };
 
@@ skipping 1703 matching lines @@
 
       handleSplitterDragEnd: function(e) {
         Splitter.prototype.handleSplitterDragEnd.apply(this, arguments);
         this.ownerDocument.documentElement.classList.remove('col-resize');
       }
     };
 
     customSplitter.decorate(splitterElement);
   };
 })();