Port some unit tests from chrome/browser/

chrome/browser/history/history_publisher_none.cc

+// Copyright (c) 2009 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.
+
+// A stub implementation of HistoryPublisher used to provide needed symbols.
+// For now there is no equivalent of this functionality on systems other than
+// Windows.
+
+#include "chrome/browser/history/history_publisher.h"
+
+#include "base/time.h"
+
+namespace history {
+
+HistoryPublisher::HistoryPublisher() {
+}
+
+HistoryPublisher::~HistoryPublisher() {
+}
+
+bool HistoryPublisher::Init() {
+  return false;
+}
+
+void HistoryPublisher::PublishDataToIndexers(const PageData& page_data)
+    const {
+}
+
+void HistoryPublisher::DeleteUserHistoryBetween(const base::Time& begin_time,
+                                                const base::Time& end_time)
+    const {
+}
+
+}  // namespace history