Adds link disambiguation popup support to Windows.

content/shell/browser/shell_web_contents_view_delegate.h

Index: content/shell/browser/shell_web_contents_view_delegate.h
diff --git a/content/shell/browser/shell_web_contents_view_delegate.h b/content/shell/browser/shell_web_contents_view_delegate.h
index 54ccfa6de8758e89581a4cfce9134445df0e89f8..1165a43085da5329ce4d1bd70b81bd3991daf605 100644
--- a/content/shell/browser/shell_web_contents_view_delegate.h
+++ b/content/shell/browser/shell_web_contents_view_delegate.h
@@ -26,6 +26,17 @@ class ShellWebContentsViewDelegate : public WebContentsViewDelegate {
   void MenuItemSelected(int selection);
 #endif
 
+#if defined(TOOLKIT_VIEWS)
+  virtual void 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) OVERRIDE;
+
+  virtual void HideDisambiguationPopup() OVERRIDE;
+#endif
+
  private:
   WebContents* web_contents_;
   ContextMenuParams params_;