add asset for new tab button

    Bug: 3504204
    add focused state drawable to teh new tab button

Change-Id: Ifdd86ca0ecec18a9bd1c16315a53e103c614622a
diff --git a/res/drawable-mdpi/browsertab_add_focused.png b/res/drawable-mdpi/browsertab_add_focused.png
new file mode 100644
index 0000000..53fda75
--- /dev/null
+++ b/res/drawable-mdpi/browsertab_add_focused.png
Binary files differ
diff --git a/res/drawable/add_tab_selector.xml b/res/drawable/add_tab_selector.xml
new file mode 100644
index 0000000..4898f8f
--- /dev/null
+++ b/res/drawable/add_tab_selector.xml
@@ -0,0 +1,24 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright (C) 2011 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.
+-->
+
+<!-- Custom background for the new tab button -->
+<selector xmlns:android="http://schemas.android.com/apk/res/android">
+
+    <item android:state_focused="false"
+        android:drawable="@drawable/browsertab_add" />
+    <item android:state_focused="true"
+         android:drawable="@drawable/browsertab_add_focused" />
+</selector>
diff --git a/res/layout/tab_bar.xml b/res/layout/tab_bar.xml
index d3683b1..1710218 100644
--- a/res/layout/tab_bar.xml
+++ b/res/layout/tab_bar.xml
@@ -30,5 +30,5 @@
         android:layout_width="wrap_content"
         android:layout_height="44dip"
         style="@style/HoloButton"
-        android:background="@drawable/browsertab_add" />
+        android:background="@drawable/add_tab_selector" />
 </merge>
\ No newline at end of file