fix popup window assets

    Bug: 5541275

Change-Id: Id14e3b8781edfd05afc360a51521175e851b3c6b
diff --git a/res/layout/browser_subwindow.xml b/res/layout/browser_subwindow.xml
index a3868cd..fb6fa37 100644
--- a/res/layout/browser_subwindow.xml
+++ b/res/layout/browser_subwindow.xml
@@ -14,34 +14,28 @@
      limitations under the License.
 -->
 
-<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
     android:id="@+id/subwindow_container"
+    android:orientation="vertical"
+    android:background="@android:drawable/dialog_frame"
     android:layout_width="match_parent"
     android:layout_height="match_parent" >
-    <FrameLayout
-        android:layout_width="match_parent"
-        android:layout_height="match_parent"
-        android:padding="10dip" >
-        <LinearLayout
-            android:id="@+id/inner_container"
-            android:layout_width="match_parent"
-            android:layout_height="match_parent"
-            android:orientation="vertical"
-            android:background="@android:drawable/dialog_frame" >
-        </LinearLayout>
-    </FrameLayout>
     <LinearLayout
         android:layout_width="match_parent"
         android:layout_height="wrap_content"
-        android:orientation="vertical"
+        android:background="@color/black"
         android:layout_gravity="right"
         android:gravity="right" >
         <ImageButton android:id="@+id/subwindow_close"
+            style="@style/HoloButton"
             android:focusable="true"
-            android:padding="0dip"
             android:layout_width="wrap_content"
             android:layout_height="wrap_content"
-            android:background="@android:drawable/btn_default"
-            android:src="@android:drawable/ic_menu_close_clear_cancel" />
+            android:src="@drawable/ic_close_window_holo_dark" />
     </LinearLayout>
-</RelativeLayout>
+    <LinearLayout
+        android:id="@+id/inner_container"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:orientation="vertical" />
+</LinearLayout>