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

ui/base/ui_base_switches_util.cc

Index: ui/base/ui_base_switches_util.cc
diff --git a/ui/base/ui_base_switches_util.cc b/ui/base/ui_base_switches_util.cc
index ba20e53f7fa3ef355e499c948cfa34fbf76334e8..d8e0bf792eedac17703f6f6fdec0c824d4e3a018 100644
--- a/ui/base/ui_base_switches_util.cc
+++ b/ui/base/ui_base_switches_util.cc
@@ -9,6 +9,18 @@
 
 namespace switches {
 
+bool IsLinkDisambiguationPopupEnabled() {
+  if (CommandLine::ForCurrentProcess()->HasSwitch(
+      switches::kDisableLinkDisambiguationPopup)) {
+    return false;
+  }
+#if defined(OS_WIN) || defined(OS_ANDROID)
+  return true;
+#else
+  return false;
+#endif
+}
+
 bool IsTextInputFocusManagerEnabled() {
   return CommandLine::ForCurrentProcess()->HasSwitch(
       switches::kEnableTextInputFocusManager);