Revert of Fix Touch Exploration tests so they don't break eager gesture detection.

ui/chromeos/touch_exploration_controller_unittest.cc

Index: ui/chromeos/touch_exploration_controller_unittest.cc
diff --git a/ui/chromeos/touch_exploration_controller_unittest.cc b/ui/chromeos/touch_exploration_controller_unittest.cc
index ffe4d090b8b3ce8779e8785a3c7ba77a58577ead..f305e2b43a19ee728994de1541b00a5da0270fb5 100644
--- a/ui/chromeos/touch_exploration_controller_unittest.cc
+++ b/ui/chromeos/touch_exploration_controller_unittest.cc
@@ -112,6 +112,12 @@ class TouchExplorationControllerTestApi {
     }
   }
 
+  void SetEventHandlerForTesting(
+      ui::EventHandler* event_handler_for_testing) {
+    touch_exploration_controller_->event_handler_for_testing_ =
+        event_handler_for_testing;
+  }
+
   bool IsInNoFingersDownStateForTesting() const {
     return touch_exploration_controller_->state_ ==
            touch_exploration_controller_->NO_FINGERS_DOWN;
@@ -254,6 +260,8 @@ class TouchExplorationTest : public aura::test::AuraTestBase {
       touch_exploration_controller_.reset(
           new ui::TouchExplorationControllerTestApi(
               new TouchExplorationController(root_window(), &delegate_)));
+      touch_exploration_controller_->SetEventHandlerForTesting(
+          &event_capturer_);
       cursor_client()->ShowCursor();
       cursor_client()->DisableMouseEvents();
     }