Updated for ActionBar API changes

Change-Id: I20d162c2921b1d8797594b162aaafd4a72aae607
diff --git a/src/com/android/browser/BrowserActivity.java b/src/com/android/browser/BrowserActivity.java
index 639a75b..1a8e325 100644
--- a/src/com/android/browser/BrowserActivity.java
+++ b/src/com/android/browser/BrowserActivity.java
@@ -1260,11 +1260,11 @@
     }
 
     @Override
-    public ActionMode onStartActionMode(ActionMode.Callback callback) {
-        mActionMode = super.onStartActionMode(callback);
+    public void onActionModeStarted(ActionMode mode) {
+        super.onActionModeStarted(mode);
         hideFakeTitleBar();
         // Would like to change the MENU, but onEndActionMode may not be called
-        return mActionMode;
+        // TODO onActionModeFinished will notify when an action mode ends
     }
 
     @Override