[omnibox] Experiment to allow Omnibox pop-up position to wrap

Desktop only. Adds a flag and support to allow the Omnibox pop-up's
cursor to wrap between top and bottom position.

Bug: 118094
Change-Id: I186904ddebc0e52abb7ac885b4a78bf4ef25d33b
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1676232
Commit-Queue: Kevin Bailey <[email protected]>
Reviewed-by: manuk hovanesian <[email protected]>
Cr-Commit-Position: refs/heads/master@{#672766}
diff --git a/chrome/browser/about_flags.cc b/chrome/browser/about_flags.cc
index 03fb39fa3..8add542f 100644
--- a/chrome/browser/about_flags.cc
+++ b/chrome/browser/about_flags.cc
@@ -2499,6 +2499,10 @@
      flag_descriptions::kOmniboxTabSwitchSuggestionsName,
      flag_descriptions::kOmniboxTabSwitchSuggestionsDescription, kOsDesktop,
      FEATURE_VALUE_TYPE(omnibox::kOmniboxTabSwitchSuggestions)},
+    {"omnibox-wrap-popup-position",
+     flag_descriptions::kOmniboxWrapPopupPositionName,
+     flag_descriptions::kOmniboxWrapPopupPositionDescription, kOsDesktop,
+     FEATURE_VALUE_TYPE(omnibox::kOmniboxWrapPopupPosition)},
     {"omnibox-pedal-suggestions",
      flag_descriptions::kOmniboxPedalSuggestionsName,
      flag_descriptions::kOmniboxPedalSuggestionsDescription, kOsDesktop,