Initial work on browser incognito mode history feature.

Change-Id: I5d1575a9b74704abc313b322ae08ca7caaccdc69
diff --git a/res/layout/tab_view_add_incognito_tab.xml b/res/layout/tab_view_add_incognito_tab.xml
new file mode 100644
index 0000000..d07b4f5
--- /dev/null
+++ b/res/layout/tab_view_add_incognito_tab.xml
@@ -0,0 +1,39 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright (C) 2009 The Android Open Source Project
+
+     Licensed under the Apache License, Version 2.0 (the "License");
+     you may not use this file except in compliance with the License.
+     You may obtain a copy of the License at
+
+          http://www.apache.org/licenses/LICENSE-2.0
+
+     Unless required by applicable law or agreed to in writing, software
+     distributed under the License is distributed on an "AS IS" BASIS,
+     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+     See the License for the specific language governing permissions and
+     limitations under the License.
+-->
+
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_height="wrap_content"
+    android:minHeight="?android:attr/listPreferredItemHeight"
+    android:layout_width="match_parent"
+    android:orientation="horizontal"
+    android:gravity="center_vertical"
+    >
+    <ImageView
+        android:layout_width="40dip"
+        android:layout_height="40dip"
+        android:layout_marginLeft="8dip"
+        android:layout_marginRight="8dip"
+        android:src="@drawable/ic_list_new_window"/>
+    <TextView
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:textAppearance="?android:attr/textAppearanceMedium"
+        android:maxLines="1"
+        android:singleLine="true"
+        android:ellipsize="end"
+        android:text="@string/new_incognito_tab"
+        />
+</LinearLayout>
diff --git a/res/values/strings.xml b/res/values/strings.xml
index 0dcfa9e..af0bbe9 100644
--- a/res/values/strings.xml
+++ b/res/values/strings.xml
@@ -20,6 +20,8 @@
     <string name="choose_upload">Choose file for upload</string>
     <!-- Name of menu item of a new tab.  Also used in the title bar when displaying a new tab -->
     <string name="new_tab">New window</string>
+    <!-- Name of menu item of a new incognito tab.  Also used in the title bar when displaying a new tab -->
+    <string name="new_incognito_tab">New incognito window</string>
     <!-- Name of menu item which brings up a list of the currently active tabs -->
     <string name="active_tabs">Windows</string>
     <!-- Name of tab containing bookmarks -->