Erase LinkDisambiguation code on desktop.

content/renderer/render_view_impl.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_RENDERER_RENDER_VIEW_IMPL_H_
 #define CONTENT_RENDERER_RENDER_VIEW_IMPL_H_
 
 #include <stddef.h>
 #include <stdint.h>
 
@@ skipping 350 matching lines @@
                      const blink::WebDragData& data,
                      blink::WebDragOperationsMask mask,
                      const blink::WebImage& image,
                      const blink::WebPoint& imageOffset) override;
   bool acceptsLoadDrops() override;
   void focusNext() override;
   void focusPrevious() override;
   void focusedNodeChanged(const blink::WebNode& fromNode,
                           const blink::WebNode& toNode) override;
   void didUpdateLayout() override;
-#if defined(OS_ANDROID) || defined(USE_AURA)
+#if defined(OS_ANDROID)
   bool didTapMultipleTargets(
       const blink::WebSize& inner_viewport_offset,
       const blink::WebRect& touch_rect,
       const blink::WebVector<blink::WebRect>& target_rects) override;
 #endif
   blink::WebString acceptLanguages() override;
   void navigateBackForwardSoon(int offset) override;
   int historyBackListCount() override;
   int historyForwardListCount() override;
   blink::WebSpeechRecognizer* speechRecognizer() override;
@@ skipping 594 matching lines @@
   // use the Observer interface to filter IPC messages and receive frame change
   // notifications.
   // ---------------------------------------------------------------------------
 
   DISALLOW_COPY_AND_ASSIGN(RenderViewImpl);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_RENDERER_RENDER_VIEW_IMPL_H_