Add the browser test for the new gallery.

chrome/test/data/extensions/api_test/file_manager_browsertest/share_dialog.js

-// Copyright (c) 2014 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';
-
-/**
- * Test sharing dialog for a file or directory on Drive
- * @param {string} path Path for a file or a directory to be shared.
- */
-function share(path) {
-  var appId;
-  StepsRunner.run([
-    // Set up File Manager.
-    function() {
-      setupAndWaitUntilReady(null, RootPath.DRIVE, this.next);
-    },
-    // Select the source file.
-    function(inAppId) {
-      appId = inAppId;
-      callRemoteTestUtil(
-          'selectFile', appId, [path], this.next);
-    },
-    // Wait for the share button.
-    function(result) {
-      chrome.test.assertTrue(result);
-      waitForElement(appId, '#share-button:not([disabled])').
-          then(this.next);
-    },
-    // Invoke the share dialog.
-    function(result) {
-      callRemoteTestUtil('fakeMouseClick',
-                         appId,
-                         ['#share-button'],
-                         this.next);
-    },
-    // Wait until the share dialog's contents are shown.
-    function(result) {
-      chrome.test.assertTrue(result);
-      waitForElement(appId, '.share-dialog-webview-wrapper.loaded').
-          then(this.next);
-    },
-    function(result) {
-      chrome.test.assertTrue(!!result);
-      repeatUntil(function() {
-        return callRemoteTestUtil(
-            'queryAllElements',
-            appId,
-            [
-              '.share-dialog-webview-wrapper.loaded',
-              null /* iframe */,
-              ['width', 'height']
-            ]).
-            then(function(elements) {
-          // TODO(mtomasz): Fix the wrong geometry of the share dialog.
-          // return elements[0] &&
-          //     elements[0].styles.width === '350px' &&
-          //     elements[0].styles.height === '250px' ?
-          //     undefined :
-          //     pending('Dialog wrapper is currently %j. ' +
-          //             'but should be: 350x250',
-          //             elements[0]);
-          return elements[0] ?
-              undefined : pending('The share dialog is not found.');
-        });
-      }).
-      then(this.next);
-    },
-    // Wait until the share dialog's contents are shown.
-    function(result) {
-      callRemoteTestUtil('executeScriptInWebView',
-                         appId,
-                         ['.share-dialog-webview-wrapper.loaded webview',
-                          'document.querySelector("button").click()'],
-                         this.next);
-    },
-    // Wait until the share dialog's contents are hidden.
-    function(result) {
-      chrome.test.assertTrue(!!result);
-      waitForElementLost(appId, '.share-dialog-webview-wrapper.loaded').
-          then(this.next);
-    },
-    // Check for Javascript errros.
-    function() {
-      checkIfNoErrorsOccured(this.next);
-    }
-  ]);
-};
-
-/**
- * Tests sharing a file on Drive
- */
-testcase.shareFile = share.bind(null, 'world.ogv');
-
-/**
- * Tests sharing a directory on Drive
- */
-testcase.shareDirectory = share.bind(null, 'photos');