Selection Action mode triggered like a context menu

third_party/WebKit/Source/core/input/GestureManager.cpp

Index: third_party/WebKit/Source/core/input/GestureManager.cpp
diff --git a/third_party/WebKit/Source/core/input/GestureManager.cpp b/third_party/WebKit/Source/core/input/GestureManager.cpp
index 8babf0f96f24f75dd48bb580e0c141a14bc2c61f..0944925f922bcb823a03dd491d0310ac052d0fbf 100644
--- a/third_party/WebKit/Source/core/input/GestureManager.cpp
+++ b/third_party/WebKit/Source/core/input/GestureManager.cpp
@@ -301,6 +301,8 @@ WebInputEventResult GestureManager::HandleGestureTap(
         tapped_position_in_viewport, tapped_node,
         dom_tree_changed || style_changed);
   }
+
+  frame_->GetEventHandler().SendContextMenuEventForTouchSelection();
   return event_result;
 }
 
@@ -334,6 +336,7 @@ WebInputEventResult GestureManager::HandleGestureLongPress(
       selection_controller_->HandleGestureLongPress(gesture_event,
                                                     hit_test_result)) {
     mouse_event_manager_->FocusDocumentView();
+    frame_->GetEventHandler().SendContextMenuEventForTouchSelection();
     return WebInputEventResult::kHandledSystem;
   }