Added touch event permutations test to touch_exploration_controller.

ui/chromeos/touch_exploration_controller.cc

Index: ui/chromeos/touch_exploration_controller.cc
diff --git a/ui/chromeos/touch_exploration_controller.cc b/ui/chromeos/touch_exploration_controller.cc
index 430bca6370e5f2fac3ccc4bc693859c0c4091eb0..292133866a850e99ff76fef3b29698673c81b12a 100644
--- a/ui/chromeos/touch_exploration_controller.cc
+++ b/ui/chromeos/touch_exploration_controller.cc
@@ -54,8 +54,8 @@ ui::EventRewriteStatus TouchExplorationController::RewriteEvent(
   if (!event.IsTouchEvent()) {
     if (event.IsKeyEvent()) {
       const ui::KeyEvent& key_event = static_cast<const ui::KeyEvent&>(event);
-      VLOG(0) << "\nKeyboard event: " << key_event.name() << "\n"
-              << " Key code: " << key_event.key_code()
+      VLOG(0) << "\nKeyboard event: " << key_event.name()
+              << "\n Key code: " << key_event.key_code()
               << ", Flags: " << key_event.flags()
               << ", Is char: " << key_event.is_char();
     }
@@ -229,7 +229,7 @@ TouchExplorationController::InSingleTapOrTouchExploreReleased(
     }
     return ui::EVENT_REWRITE_DISCARD;
   }
-  NOTREACHED() << "Unexpected event type received.";;
+  NOTREACHED() << "Unexpected event type received. " << event.name();
   return ui::EVENT_REWRITE_CONTINUE;
 }