Introduce BookmarkClient interface to abstract embedder

chrome/browser/importer/profile_writer_unittest.cc

Index: chrome/browser/importer/profile_writer_unittest.cc
diff --git a/chrome/browser/importer/profile_writer_unittest.cc b/chrome/browser/importer/profile_writer_unittest.cc
index 6ef78c5be9cd6567156e2c101add079ff4410b07..041622653222250137cd1ef5ac6dc796dbf3f9df 100644
--- a/chrome/browser/importer/profile_writer_unittest.cc
+++ b/chrome/browser/importer/profile_writer_unittest.cc
@@ -144,6 +144,7 @@ TEST_F(ProfileWriterTest, CheckBookmarksWithMultiProfile) {
       BookmarkModelFactory::GetForProfile(&profile2);
   test::WaitForBookmarkModelToLoad(bookmark_model2);
   bookmark_utils::AddIfNotBookmarked(bookmark_model2,
+                                     bookmark_model2,
                                      GURL("http://www.bing.com"),
                                      base::ASCIIToUTF16("Bing"));
   TestingProfile profile1;