Implement the psychic search engine.

(a) Add a new subclass of SearchEngine that receives
suggestions provided by psychic and displays them in the
suggestions dropdown.
(b) Add a Labs setting that can turn this feature on or
off.

Change-Id: Icae05b6b55f489278028e5af560d9b36014a0f59
diff --git a/src/com/android/browser/Controller.java b/src/com/android/browser/Controller.java
index 6e06e6e..5b655c4 100644
--- a/src/com/android/browser/Controller.java
+++ b/src/com/android/browser/Controller.java
@@ -17,6 +17,7 @@
 package com.android.browser;
 
 import com.android.browser.IntentHandler.UrlData;
+import com.android.browser.UI.DropdownChangeListener;
 import com.android.browser.search.SearchEngine;
 import com.android.common.Search;
 
@@ -2600,4 +2601,8 @@
         }
     }
 
+    @Override
+    public void registerDropdownChangeListener(DropdownChangeListener d) {
+        mUi.registerDropdownChangeListener(d);
+    }
 }