Rename DriveProvider to ExternalProvider.

ui/file_manager/file_manager/foreground/js/file_selection.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.
 
 'use strict';
 
 /**
  * The current selection object.
  *
  * @param {FileManager} fileManager FileManager instance.
@@ skipping 50 matching lines @@
  *
  * @param {function} callback The callback.
  */
 FileSelection.prototype.createTasks = function(callback) {
   if (!this.fileManager_.isOnDrive()) {
     this.tasks.init(this.entries);
     callback();
     return;
   }
 
-  this.fileManager_.metadataCache_.get(this.entries, 'drive', function(props) {
-    var present = props.filter(function(p) { return p && p.availableOffline });
-    this.allDriveFilesPresent = present.length == props.length;
+  this.fileManager_.metadataCache_.get(
+      this.entries, 'external', function(props) {
+        var present = props.filter(function(p) {
+          return p && p.availableOffline
+        });
+        this.allDriveFilesPresent = present.length == props.length;
 
-    // Collect all of the mime types and push that info into the selection.
-    this.mimeTypes = props.map(function(value) {
-      return (value && value.contentMimeType) || '';
-    });
+        // Collect all of the mime types and push that info into the selection.
+        this.mimeTypes = props.map(function(value) {
+          return (value && value.contentMimeType) || '';
+        });
 
-    this.tasks.init(this.entries, this.mimeTypes);
-    callback();
-  }.bind(this));
+        this.tasks.init(this.entries, this.mimeTypes);
+        callback();
+      }.bind(this));
 };
 
 /**
  * Computes the total size of selected files.
  *
  * @param {function} callback Completion callback. Not called when cancelled,
  *     or a new call has been invoked in the meantime.
  */
 FileSelection.prototype.computeBytes = function(callback) {
   if (this.entries.length == 0) {
@@ skipping 260 matching lines @@
 
   // Sync the commands availability.
   if (this.fileManager_.commandHandler)
     this.fileManager_.commandHandler.updateAvailability();
 
   // Inform tests it's OK to click buttons now.
   if (selection.totalCount > 0) {
     util.testSendMessage('selection-change-complete');
   }
 };