Media Gallery: Implement a basic version of GetMediaFileSystems().

chrome/test/data/extensions/api_test/media_gallery/test.js

Index: chrome/test/data/extensions/api_test/media_gallery/test.js
===================================================================
--- chrome/test/data/extensions/api_test/media_gallery/test.js	(revision 139354)
+++ chrome/test/data/extensions/api_test/media_gallery/test.js	(working copy)
@@ -4,10 +4,11 @@
 
 var mediaGalleries = chrome.experimental.mediaGalleries;
 var emptyListCallback = function(results) {

[vandebo (ex-Chrome), 2012/05/31 04:10:39]

nit: change the name of the function.

[Lei Zhang, 2012/05/31 08:32:38]

Done.

-  chrome.test.assertEq(results, []);
+  // There should be a "Pictures" directory on all desktop platforms.
+  chrome.test.assertEq(1, results.length);
 };
 var nullCallback = function(result) {
-  chrome.test.assertEq(result, null);
+  chrome.test.assertEq(null, result);
 };
 
 chrome.test.runTests([
@@ -24,7 +25,7 @@
 
   function extractEmbeddedThumbnails() {
     var result = mediaGalleries.extractEmbeddedThumbnails({});
-    chrome.test.assertEq(result, null);
+    chrome.test.assertEq(null, result);
     chrome.test.succeed()
   },