Revert "Toggle spoken feedback if two fingers are held down."

ui/chromeos/touch_exploration_controller.h

Index: ui/chromeos/touch_exploration_controller.h
diff --git a/ui/chromeos/touch_exploration_controller.h b/ui/chromeos/touch_exploration_controller.h
index 6727c2a5eded9d6faf66f69cc16bfa2c649ddee5..0af2d079f08478a735440c089a2f7d247dd647e3 100644
--- a/ui/chromeos/touch_exploration_controller.h
+++ b/ui/chromeos/touch_exploration_controller.h
@@ -25,7 +25,6 @@ namespace ui {
 class Event;
 class GestureEvent;
 class GestureProviderAura;
-class TouchAccessibilityEnabler;
 class TouchEvent;
 
 // A delegate to handle commands in response to detected accessibility gesture
@@ -181,8 +180,7 @@ class UI_CHROMEOS_EXPORT TouchExplorationController
  public:
   explicit TouchExplorationController(
       aura::Window* root_window,
-      ui::TouchExplorationControllerDelegate* delegate,
-      TouchAccessibilityEnabler* touch_accessibility_enabler);
+      ui::TouchExplorationControllerDelegate* delegate);
   ~TouchExplorationController() override;
 
   // Make synthesized touch events are anchored at this point. This is
@@ -508,12 +506,6 @@ class UI_CHROMEOS_EXPORT TouchExplorationController
   // LocatedEvents within this area should be left alone.
   gfx::Rect exclude_bounds_;
 
-  // Code that detects a touch-screen gesture to enable or disable
-  // accessibility. That handler is always running, whereas this is not,
-  // but events need to be sent to TouchAccessibilityEnabler before being
-  // rewritten when TouchExplorationController is running.
-  TouchAccessibilityEnabler* touch_accessibility_enabler_;
-
   DISALLOW_COPY_AND_ASSIGN(TouchExplorationController);
 };