Add title bar indicator to tab

    Bug: http://b/issue?id=3184567
    When the url bar is scrolled off the screen, the current
    tab shows an indicator

Change-Id: I5a1f11bac09304c81857496b4bb7662656ef225a
diff --git a/res/layout/tab_title.xml b/res/layout/tab_title.xml
index e4a4e58..ce3f987 100644
--- a/res/layout/tab_title.xml
+++ b/res/layout/tab_title.xml
@@ -17,10 +17,18 @@
     android:gravity="center_vertical"
     android:orientation="horizontal">
     <ImageView
+        android:id="@+id/chevron"
+        android:layout_width="16dip"
+        android:layout_height="16dip"
+        android:layout_marginRight="4dip"
+        android:gravity="center_vertical"
+        android:src="@drawable/ic_chevron"
+        android:visibility="gone" />
+    <ImageView
         android:id="@+id/incognito"
         android:layout_width="16dip"
         android:layout_height="16dip"
-        android:layout_marginLeft="3dip"
+        android:layout_marginRight="16dip"
         android:gravity="center_vertical"
         android:src="@drawable/fav_incognito"
         android:visibility="gone" />
@@ -28,19 +36,19 @@
         android:id="@+id/favicon"
         android:layout_width="20dip"
         android:layout_height="20dip"
-        android:layout_marginLeft="16dip" />
+        android:layout_marginRight="16dip" />
     <ImageView
         android:id="@+id/lock"
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
-        android:layout_marginLeft="16dip"
+        android:layout_marginRight="16dip"
         android:visibility="gone" />
     <TextView
         android:id="@+id/title"
         android:layout_height="match_parent"
         android:layout_width="0dip"
         android:layout_weight="1.0"
-        android:layout_marginLeft="16dip"
+        android:layout_marginRight="16dip"
         android:textAppearance="?android:attr/textAppearanceSmall"
         android:textColor="@color/white"
         android:gravity="center_vertical"
@@ -54,6 +62,6 @@
         android:background="@drawable/browserbarbutton"
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
-        android:layout_marginLeft="16dip"
+        android:layout_marginRight="16dip"
         android:src="@drawable/ic_tab_close" />
 </merge>