Erase LinkDisambiguation code on desktop.

content/browser/frame_host/render_widget_host_view_guest.h

Index: content/browser/frame_host/render_widget_host_view_guest.h
diff --git a/content/browser/frame_host/render_widget_host_view_guest.h b/content/browser/frame_host/render_widget_host_view_guest.h
index 1267fe93184177d5a54b9e45698d6afbc0030844..eb8018701eaa027908c64699732cc726952a2987 100644
--- a/content/browser/frame_host/render_widget_host_view_guest.h
+++ b/content/browser/frame_host/render_widget_host_view_guest.h
@@ -120,12 +120,6 @@ class CONTENT_EXPORT RenderWidgetHostViewGuest
   void StopSpeaking() override;
 #endif  // defined(OS_MACOSX)
 
-#if defined(OS_ANDROID) || defined(USE_AURA)
-  // RenderWidgetHostViewBase implementation.
-  void ShowDisambiguationPopup(const gfx::Rect& rect_pixels,
-                               const SkBitmap& zoomed_bitmap) override;
-#endif  // defined(OS_ANDROID) || defined(USE_AURA)

[cpu_(ooo_6.6-7.5), 2016/05/03 02:03:22]

So also on android? it seems to me we are keeping android ...

[Evan Stade, 2016/05/03 16:08:09]

the implementation for this one was already a no-op.
RenderWidgetHostViewBase::ShowDisambiguationPopup is also a no op, so this
override is unnecessary, except to suppress a NOTIMPLEMENTED(). If that
NOTIMPLEMENTED() starts triggering a lot we should probably just remove it.

-
   void LockCompositingSurface() override;
   void UnlockCompositingSurface() override;