Use the new WebSettings to enable smooth transition
during panning and zooming.
diff --git a/src/com/android/browser/BrowserSettings.java b/src/com/android/browser/BrowserSettings.java
index 3d5ca03..91b7765 100644
--- a/src/com/android/browser/BrowserSettings.java
+++ b/src/com/android/browser/BrowserSettings.java
@@ -207,6 +207,9 @@
             s.setNeedInitialFocus(false);
             // Browser supports multiple windows
             s.setSupportMultipleWindows(true);
+            // enable smooth transition for better performance during panning or
+            // zooming
+            s.setEnableSmoothTransition(true);
 
             // HTML5 API flags
             s.setAppCacheEnabled(b.appCacheEnabled);