Blink handle selection handle visibility

content/browser/renderer_host/input/touch_selection_controller_client_aura.h

 // Copyright 2015 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CONTENT_BROWSER_RENDERER_HOST_INPUT_TOUCH_SELECTION_CONTROLLER_CLIENT_AURA_H_
 #define CONTENT_BROWSER_RENDERER_HOST_INPUT_TOUCH_SELECTION_CONTROLLER_CLIENT_AURA_H_
 
 #include <memory>
 
 #include "base/macros.h"
@@ skipping 32 matching lines @@
   // the quick menu instead, if appropriate. Returns |true| to indicate that no
   // further handling is needed.
   // TODO(mohsen): This is to match Chrome on Android behavior. However, it is
   // better not to send context menu request from the renderer in this case and
   // instead decide in the client about showing the quick menu in response to
   // selection events. (http://crbug.com/548245)
   bool HandleContextMenu(const ContextMenuParams& params);
 
  private:
   friend class TestTouchSelectionControllerClientAura;
-  class EnvPreTargetHandler;
 
   bool IsQuickMenuAvailable() const;
   void ShowQuickMenu();
   void UpdateQuickMenu();
 
   // ui::TouchSelectionControllerClient:
   bool SupportsAnimation() const override;
   void SetNeedsAnimate() override;
   void MoveCaret(const gfx::PointF& position) override;
   void MoveRangeSelectionExtent(const gfx::PointF& extent) override;
@@ skipping 11 matching lines @@
   RenderWidgetHostViewAura* rwhva_;
 
   base::Timer quick_menu_timer_;
   bool quick_menu_requested_;
   bool touch_down_;
   bool scroll_in_progress_;
   bool handle_drag_in_progress_;
 
   bool show_quick_menu_immediately_for_test_;
 
-  // A pre-target event handler for aura::Env which deactivates touch selection
-  // on mouse and keyboard events.
-  std::unique_ptr<EnvPreTargetHandler> env_pre_target_handler_;
-
   DISALLOW_COPY_AND_ASSIGN(TouchSelectionControllerClientAura);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_RENDERER_HOST_INPUT_TOUCH_SELECTION_CONTROLLER_CLIENT_AURA_H_