Added accurate TouchToMouseMode testing to SplitTap

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 aebf053350238d9575eb0604a35331a5e8ae26fb..2aab8ddafdccd1637fe2182e6f2b9e9c13137f39 100644
--- a/ui/chromeos/touch_exploration_controller.cc
+++ b/ui/chromeos/touch_exploration_controller.cc
@@ -44,7 +44,6 @@ TouchExplorationController::TouchExplorationController(
   root_window->GetHost()->GetEventSource()->AddEventRewriter(this);
 }
 
-
 TouchExplorationController::~TouchExplorationController() {
   root_window_->GetHost()->GetEventSource()->RemoveEventRewriter(this);
 }
@@ -174,7 +173,6 @@ ui::EventRewriteStatus TouchExplorationController::InNoFingersDown(
 ui::EventRewriteStatus TouchExplorationController::InSingleTapPressed(
     const ui::TouchEvent& event, scoped_ptr<ui::Event>* rewritten_event) {
   const ui::EventType type = event.type();
-
   if (type == ui::ET_TOUCH_PRESSED) {
     // Adding a second finger within the timeout period switches to
     // passthrough.
@@ -383,6 +381,7 @@ ui::EventRewriteStatus TouchExplorationController::InTouchExploreSecondPress(
                            event.time_stamp()));
     (*rewritten_event)->set_flags(event.flags());
     state_ = TOUCH_EXPLORATION;
+    EnterTouchToMouseMode();
     VLOG_STATE();
     return ui::EVENT_REWRITE_REWRITTEN;
   }