Context menus should appear above the touch point if invoked by long press.

content/browser/web_contents/web_contents_view_aura.h

Index: content/browser/web_contents/web_contents_view_aura.h
diff --git a/content/browser/web_contents/web_contents_view_aura.h b/content/browser/web_contents/web_contents_view_aura.h
index 1a2ad60583793f7de466e13c34ab723fd7f66ee8..40a3699646d6dcc9dd342e073b237a68ef9d2007 100644
--- a/content/browser/web_contents/web_contents_view_aura.h
+++ b/content/browser/web_contents/web_contents_view_aura.h
@@ -72,7 +72,8 @@ class CONTENT_EXPORT WebContentsViewAura
 
   // Overridden from RenderViewHostDelegateView:
   virtual void ShowContextMenu(
-      const content::ContextMenuParams& params) OVERRIDE;
+      const content::ContextMenuParams& params,
+      const content::ContextMenuEventType& type) OVERRIDE;
   virtual void ShowPopupMenu(const gfx::Rect& bounds,
                              int item_height,
                              double item_font_size,