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

content/browser/web_contents/interstitial_page_impl.cc

 // 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.
 
 #include "content/browser/web_contents/interstitial_page_impl.h"
 
 #include <vector>
 
 #include "base/bind.h"
 #include "base/compiler_specific.h"
@@ skipping 657 matching lines @@
                                              const gfx::Rect& initial_pos) {
   NOTREACHED() << "InterstitialPage does not support showing drop-downs yet.";
 }
 
 void InterstitialPageImpl::ShowCreatedFullscreenWidget(int route_id) {
   NOTREACHED()
       << "InterstitialPage does not support showing full screen popups.";
 }
 
 void InterstitialPageImpl::ShowContextMenu(
-    const content::ContextMenuParams& params) {
+    const content::ContextMenuParams& params,
+    const content::ContextMenuSourceType& type) {
 }
 
 void InterstitialPageImpl::Disable() {
   enabled_ = false;
 }
 
 void InterstitialPageImpl::TakeActionOnResourceDispatcher(
     ResourceRequestAction action) {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI)) <<
       "TakeActionOnResourceDispatcher should be called on the main thread.";
@@ skipping 66 matching lines @@
   if (!web_contents->GetDelegateView())
     return;
 
   web_contents->GetDelegateView()->TakeFocus(reverse);
 }
 
 void InterstitialPageImpl::InterstitialPageRVHDelegateView::OnFindReply(
     int request_id, int number_of_matches, const gfx::Rect& selection_rect,
     int active_match_ordinal, bool final_update) {
 }