Erase LinkDisambiguation code on desktop.

content/public/browser/web_contents_view_delegate.cc

 // Copyright 2014 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.
 
 #include "content/public/browser/web_contents_view_delegate.h"
 
 #include <stddef.h>
 
 namespace content {
 
@@ skipping 19 matching lines @@
 void WebContentsViewDelegate::RestoreFocus() {
 }
 
 bool WebContentsViewDelegate::Focus() {
   return false;
 }
 
 void WebContentsViewDelegate::TakeFocus(bool reverse) {
 }
 
-void WebContentsViewDelegate::ShowDisambiguationPopup(
-    const gfx::Rect& target_rect,
-    const SkBitmap& zoomed_bitmap,
-    const gfx::NativeView content,
-    const base::Callback<void(ui::GestureEvent*)>& gesture_cb,
-    const base::Callback<void(ui::MouseEvent*)>& mouse_cb) {
-}
-
-void WebContentsViewDelegate::HideDisambiguationPopup() {
-}
-
 void WebContentsViewDelegate::SizeChanged(const gfx::Size& size) {
 }
 
 void* WebContentsViewDelegate::CreateRenderWidgetHostViewDelegate(
     RenderWidgetHost* render_widget_host) {
   return nullptr;
 }
 
 }  // namespace content