[MD Bookmarks] Edit Bookmarks.

chrome/test/data/webui/md_bookmarks/store_test.js

Index: chrome/test/data/webui/md_bookmarks/store_test.js
diff --git a/chrome/test/data/webui/md_bookmarks/store_test.js b/chrome/test/data/webui/md_bookmarks/store_test.js
index 8b9099f329e4430e50e9f279220833e61c9004d6..354aa22d8fa66bb8453369b13b27a769efd03e82 100644
--- a/chrome/test/data/webui/md_bookmarks/store_test.js
+++ b/chrome/test/data/webui/md_bookmarks/store_test.js
@@ -171,4 +171,22 @@ suite('<bookmarks-store>', function() {
     assertTrue(store.idToNodeMap_['0'].isSelected);
     assertEquals('0', store.selectedId);
   });
+
+  test('bookmark gets updated after editing', function() {
+    // Edit title updates idToNodeMap_ properly.
+    store.onBookmarkChanged_('4', {'title': 'test'});
+    assertEquals('test', store.idToNodeMap_['4'].title);
+    assertEquals('link4', store.idToNodeMap_['4'].url);
+
+    // Edit url updates idToNodeMap_ properly.
+    store.onBookmarkChanged_('5', {'url': 'http://www.google.com'});
+    assertEquals(undefined, store.idToNodeMap_['5'].title);
+    assertEquals('http://www.google.com', store.idToNodeMap_['5'].url);
+
+    // Edit url and title updates idToNodeMap_ properly.
+    store.onBookmarkChanged_(
+        '2', {'title': 'test', 'url': 'http://www.google.com'});
+    assertEquals('test', store.idToNodeMap_['2'].title);
+    assertEquals('http://www.google.com', store.idToNodeMap_['2'].url);
+  });

[jiaxi, 2017/01/06 06:03:53]

As discussed offline, integration test with something mocks the reactions of API
will be in another patch.

 });