Implement pseudo 3d overscroll for tab switcher

    Bug: 5255100

Change-Id: Id756e36bba2644cc1be1a699f80dbd78119ec56f
diff --git a/res/layout/anim_screen.xml b/res/layout/anim_screen.xml
index 399595e..0cdc931 100644
--- a/res/layout/anim_screen.xml
+++ b/res/layout/anim_screen.xml
@@ -20,13 +20,15 @@
     android:layout_width="match_parent"
     android:layout_height="match_parent"
     android:orientation="vertical"
-    android:focusable="false">
+    android:focusable="false"
+    android:background="@drawable/browser_background_holo">
     <ImageView
         android:id="@+id/title"
         android:layout_width="match_parent"
         android:layout_height="@dimen/toolbar_height" />
     <ImageView
         android:id="@+id/content"
-        android:layout_width="match_parent"
-        android:layout_height="match_parent" />
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:background="@color/white" />
 </LinearLayout>
diff --git a/res/layout/nav_screen.xml b/res/layout/nav_screen.xml
index 0ea332f..ae0db1b 100644
--- a/res/layout/nav_screen.xml
+++ b/res/layout/nav_screen.xml
@@ -20,7 +20,7 @@
     android:layout_width="match_parent"
     android:layout_height="match_parent"
     android:background="@drawable/browser_background_holo">
-    <com.android.browser.NavTabGallery
+    <com.android.browser.NavTabScroller
         android:id="@+id/scroller"
         android:layout_width="match_parent"
         android:layout_height="match_parent"