Use delete journal to remove bookmarks that are already deleted in sync model

sync/internal_api/public/test/test_user_share.h

Index: sync/internal_api/public/test/test_user_share.h
diff --git a/sync/internal_api/public/test/test_user_share.h b/sync/internal_api/public/test/test_user_share.h
index 65889459b7fd46d849e82a05b8d5c0e020790ca4..2823fed780a192cd420ff24a494f9f9f13be8a42 100644
--- a/sync/internal_api/public/test/test_user_share.h
+++ b/sync/internal_api/public/test/test_user_share.h
@@ -58,6 +58,9 @@ class TestUserShare {
   // on the user share's directory.
   void TearDown();
 
+  // Save and reload Directory to clear out temporary data in memory.
+  bool Reload();
+
   // Non-NULL iff called between a call to SetUp() and TearDown().
   UserShare* user_share();
 
@@ -73,6 +76,8 @@ class TestUserShare {
   static bool CreateRoot(syncer::ModelType model_type,
                          syncer::UserShare* service);
 
+  size_t GetDeleteJournalSize() const;
+
  private:
   scoped_ptr<TestDirectorySetterUpper> dir_maker_;
   scoped_ptr<UserShare> user_share_;