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

content/browser/web_contents/web_contents_view_aura.cc

Index: content/browser/web_contents/web_contents_view_aura.cc
diff --git a/content/browser/web_contents/web_contents_view_aura.cc b/content/browser/web_contents/web_contents_view_aura.cc
index 52a6268571497de2b9dfd519b98bf4d806509cf6..7736bee893c09d2120237f816a401150ebec1bc9 100644
--- a/content/browser/web_contents/web_contents_view_aura.cc
+++ b/content/browser/web_contents/web_contents_view_aura.cc
@@ -405,9 +405,10 @@ gfx::Rect WebContentsViewAura::GetViewBounds() const {
 // WebContentsViewAura, RenderViewHostDelegateView implementation:
 
 void WebContentsViewAura::ShowContextMenu(
-    const content::ContextMenuParams& params) {
+    const content::ContextMenuParams& params,
+    const content::ContextMenuSourceType& type) {
   if (delegate_.get())
-    delegate_->ShowContextMenu(params);
+    delegate_->ShowContextMenu(params, type);
 }
 
 void WebContentsViewAura::ShowPopupMenu(const gfx::Rect& bounds,