Erase LinkDisambiguation code on desktop.

content/browser/web_contents/web_contents_view_aura.h

 // Copyright (c) 2012 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_WEB_CONTENTS_WEB_CONTENTS_VIEW_AURA_H_
 #define CONTENT_BROWSER_WEB_CONTENTS_WEB_CONTENTS_VIEW_AURA_H_
 
 #include <memory>
 #include <vector>
 
@@ skipping 95 matching lines @@
   void ShowContextMenu(RenderFrameHost* render_frame_host,
                        const ContextMenuParams& params) override;
   void StartDragging(const DropData& drop_data,
                      blink::WebDragOperationsMask operations,
                      const gfx::ImageSkia& image,
                      const gfx::Vector2d& image_offset,
                      const DragEventSourceInfo& event_info) override;
   void UpdateDragCursor(blink::WebDragOperation operation) override;
   void GotFocus() override;
   void TakeFocus(bool reverse) override;
-  void ShowDisambiguationPopup(
-      const gfx::Rect& target_rect,
-      const SkBitmap& zoomed_bitmap,
-      const base::Callback<void(ui::GestureEvent*)>& gesture_cb,
-      const base::Callback<void(ui::MouseEvent*)>& mouse_cb) override;
-  void HideDisambiguationPopup() override;
 
   // Overridden from OverscrollControllerDelegate:
   gfx::Rect GetVisibleBounds() const override;
   bool OnOverscrollUpdate(float delta_x, float delta_y) override;
   void OnOverscrollComplete(OverscrollMode overscroll_mode) override;
   void OnOverscrollModeChange(OverscrollMode old_mode,
                               OverscrollMode new_mode) override;
 
   // Overridden from aura::WindowDelegate:
   gfx::Size GetMinimumSize() const override;
@@ skipping 63 matching lines @@
   std::unique_ptr<OverscrollNavigationOverlay> navigation_overlay_;
 
   std::unique_ptr<GestureNavSimple> gesture_nav_simple_;
 
   DISALLOW_COPY_AND_ASSIGN(WebContentsViewAura);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_WEB_CONTENTS_WEB_CONTENTS_VIEW_AURA_H_