We previously had a setting in chrome defaults but this deprecates that for a command line flag and…

ui/base/ui_base_switches.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 "ui/base/ui_base_switches.h"
 
 namespace switches {
 
 #if defined(OS_MACOSX) && !defined(OS_IOS)
 // Enable use of cross-process CALayers to display content directly from the
 // GPU process on Mac.
 const char kEnableRemoteCoreAnimation[] = "enable-remote-core-animation";
 #endif
 
 // Disables use of DWM composition for top level windows.
 const char kDisableDwmComposition[] = "disable-dwm-composition";
 
+const char kDisableLinkDisambiguationPopup[] =
+    "disable-link-disambiguation-popup";
+
 // Disables an experimental focus manager to track text input clients.
 const char kDisableTextInputFocusManager[] = "disable-text-input-focus-manager";
 
 // Disables touch adjustment.
 const char kDisableTouchAdjustment[] = "disable-touch-adjustment";
 
 // Disables touch event based drag and drop.
 const char kDisableTouchDragDrop[] = "disable-touch-drag-drop";
 
 // Disables controls that support touch base text editing.
@@ skipping 14 matching lines @@
 
 // Disable ui::MessageBox. This is useful when running as part of scripts that
 // do not have a user interface.
 const char kNoMessageBox[] = "no-message-box";
 
 // On Windows only: requests that Chrome connect to the running Metro viewer
 // process.
 const char kViewerConnect[] = "connect-to-metro-viewer";
 
 }  // namespace switches