[Android History] Add Android history manager UI and bridge

chrome/android/java/src/org/chromium/chrome/browser/history/HistoryManagerToolbar.java

+// Copyright 2016 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.
+
+package org.chromium.chrome.browser.history;
+
+import android.content.Context;
+import android.util.AttributeSet;
+
+import org.chromium.chrome.R;
+import org.chromium.chrome.browser.widget.selection.SelectionToolbar;
+
+/**
+ * The SelectionToolbar for the browsing history UI.
+ */
+public class HistoryManagerToolbar extends SelectionToolbar<HistoryItem> {
+    public HistoryManagerToolbar(Context context, AttributeSet attrs) {
+        super(context, attrs);
+        inflateMenu(R.menu.history_manager_menu);
+
+        // TODO(twellington): Add content descriptions to the number roll view.
+    }
+}