Have TabAndroid object implement the SearchTabHelperDelegate to provide the necessary functionality…

chrome/android/java/src/org/chromium/chrome/browser/Tab.java

Index: chrome/android/java/src/org/chromium/chrome/browser/Tab.java
diff --git a/chrome/android/java/src/org/chromium/chrome/browser/Tab.java b/chrome/android/java/src/org/chromium/chrome/browser/Tab.java
index c76ebc33a63ec2f08fce0714594af2de75fc46b3..3de036618ad71b09dcafd74f7f7ffdbea114ab97 100644
--- a/chrome/android/java/src/org/chromium/chrome/browser/Tab.java
+++ b/chrome/android/java/src/org/chromium/chrome/browser/Tab.java
@@ -998,6 +998,14 @@ public class Tab implements NavigationClient {
     }
 
     /**
+     * A helper method to allow subclasses to handle the Instant support
+     * disabled event.
+     */
+    @CalledByNative
+    protected void onWebContentsInstantSupportDisabled() {
+    }
+
+    /**
      * A helper method to allow subclasses to build their own menu populator.
      * @return An instance of a {@link ContextMenuPopulator}.
      */