Move Tab layout code to UI

Change-Id: Ic2d81345883bba22329b4f805c44a68b14e174e3
diff --git a/src/com/android/browser/WebViewController.java b/src/com/android/browser/WebViewController.java
index eeeee18..11a6959 100644
--- a/src/com/android/browser/WebViewController.java
+++ b/src/com/android/browser/WebViewController.java
@@ -42,6 +42,8 @@
 
     WebViewFactory getWebViewFactory();
 
+    void onSetWebView(Tab tab, WebView view);
+
     void createSubWindow(Tab tab);
 
     void onPageStarted(Tab tab, WebView view, String url, Bitmap favicon);