fix navscreen orientation

    handle configuration change in navscreen
    capture actual screen for tabs
    size tabs correctly

Change-Id: I20ff72bdcab13678cdba4c55849bd5ff16cb6568
diff --git a/src/com/android/browser/UiController.java b/src/com/android/browser/UiController.java
index 2b3ee69..9b75aca 100644
--- a/src/com/android/browser/UiController.java
+++ b/src/com/android/browser/UiController.java
@@ -44,6 +44,8 @@
 
     Tab openIncognitoTab();
 
+    Tab createNewTab(String url, boolean incognito);
+
     void setActiveTab(Tab tab);
 
     boolean switchToTab(int tabIndex);