Selection Action mode triggered like a context menu

third_party/WebKit/Source/web/WebViewImpl.cpp

 /*
  * Copyright (C) 2011, 2012 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 822 matching lines @@
             EnableTapHighlights(highlight_nodes);
             for (size_t i = 0; i < link_highlights_.size(); ++i)
               link_highlights_[i]->StartHighlightAnimationIfNeeded();
             event_result = WebInputEventResult::kHandledSystem;
             event_cancelled = true;
             break;
           }
         }
       }
 
-      event_result =
-          MainFrameImpl()->GetFrame()->GetEventHandler().HandleGestureEvent(
-              targeted_event);
+      {
+        ContextMenuAllowedScope scope;
+        event_result =
+            MainFrameImpl()->GetFrame()->GetEventHandler().HandleGestureEvent(
+                targeted_event);
+      }
+
       if (page_popup_ && last_hidden_page_popup_ &&
           page_popup_->HasSamePopupClient(last_hidden_page_popup_.Get())) {
         // The tap triggered a page popup that is the same as the one we just
         // closed. It needs to be closed.
         CancelPagePopup();
       }
       last_hidden_page_popup_ = nullptr;
       break;
     }
     case WebInputEvent::kGestureTwoFingerTap:
@@ skipping 3279 matching lines @@
   if (focused_frame->LocalFrameRoot() != MainFrameImpl()->GetFrame())
     return nullptr;
   return focused_frame;
 }
 
 LocalFrame* WebViewImpl::FocusedLocalFrameAvailableForIme() const {
   return ime_accept_events_ ? FocusedLocalFrameInWidget() : nullptr;
 }
 
 }  // namespace blink