Abstract history dependencies on bookmarks through HistoryClient

components/history/core/browser/test_history_client.cc

Index: components/history/core/browser/test_history_client.cc
diff --git a/components/history/core/browser/test_history_client.cc b/components/history/core/browser/test_history_client.cc
new file mode 100644
index 0000000000000000000000000000000000000000..4527cb424e7382d26d20e676b15d593a87278fab
--- /dev/null
+++ b/components/history/core/browser/test_history_client.cc
@@ -0,0 +1,18 @@
+// Copyright 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.
+
+#include "components/history/core/browser/test_history_client.h"
+
+namespace history {
+
+TestHistoryClient::TestHistoryClient() {}
+
+bool TestHistoryClient::IsBookmarked(const GURL& url) {
+  return false;
+}
+
+void TestHistoryClient::GetBookmarks(std::vector<URLAndTitle>* bookmarks) {
+}
+
+}  // namespace history