Restore overhaul

 Bug: 5069192
 Store thumbnails in a database restored async for each tab
 Fix restoring a tab not restoring its current state

Change-Id: I2c14e352638aac0ef766fb3bf4036ff220c53ecd
diff --git a/src/com/android/browser/WebViewController.java b/src/com/android/browser/WebViewController.java
index 175cbf8..f4ff764 100644
--- a/src/com/android/browser/WebViewController.java
+++ b/src/com/android/browser/WebViewController.java
@@ -122,4 +122,6 @@
     void showAutoLogin(Tab tab);
 
     void hideAutoLogin(Tab tab);
+
+    boolean shouldCaptureThumbnails();
 }