Introduce BookmarkClient interface to abstract embedder

chrome/browser/bookmarks/test_bookmark_client.cc

+// 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 "chrome/browser/bookmarks/test_bookmark_client.h"
+
+#include "chrome/browser/bookmarks/bookmark_model.h"
+
+namespace test {
+
+BookmarkModel* TestBookmarkClient::CreateModel(bool index_urls) {
+  BookmarkModel* bookmark_model = new BookmarkModel(this, index_urls);
+  bookmark_model->DoneLoading(bookmark_model->CreateLoadDetails(std::string()));
+  return bookmark_model;
+}
+
+base::CancelableTaskTracker::TaskId TestBookmarkClient::GetFaviconImageForURL(
+    const GURL& page_url,
+    int icon_types,
+    int desired_size_in_dip,
+    const FaviconImageCallback& callback,
+    base::CancelableTaskTracker* tracker) {
+  return base::CancelableTaskTracker::kBadTaskId;
+}
+
+bool TestBookmarkClient::SupportsTypedCountForNodes() {
+  return false;
+}
+
+void TestBookmarkClient::GetTypedCountForNodes(
+    const NodeSet& nodes,
+    NodeTypedCountPairs* node_typed_count_pairs) {
+  NOTREACHED();
+}
+
+void TestBookmarkClient::RecordAction(const base::UserMetricsAction& action) {
+}
+
+void TestBookmarkClient::NotifyHistoryAboutRemovedBookmarks(
+    const std::set<GURL>& removed_bookmark_urls) {
+}
+
+}  // namespace test