Omnibox UI Experiments: Make suggestions dropdown match omnibox width.

components/omnibox/browser/omnibox_field_trial.cc

Index: components/omnibox/browser/omnibox_field_trial.cc
diff --git a/components/omnibox/browser/omnibox_field_trial.cc b/components/omnibox/browser/omnibox_field_trial.cc
index 1e406814836a7bffe47f448fe36eeee664e758d5..671e732be8e3073f06793091b4ea53703ccd1583 100644
--- a/components/omnibox/browser/omnibox_field_trial.cc
+++ b/components/omnibox/browser/omnibox_field_trial.cc
@@ -86,6 +86,11 @@ const base::Feature kUIExperimentMaxAutocompleteMatches{
     "OmniboxUIExperimentMaxAutocompleteMatches",
     base::FEATURE_DISABLED_BY_DEFAULT};
 
+// Feature used for the omnibox suggestions dropdown width UI experiment.
+const base::Feature kUIExperimentSuggestionsDropdownWidth{
+    "OmniboxUIExperimentSuggestionsDropdownWidth",
+    base::FEATURE_DISABLED_BY_DEFAULT};
+
 // Feature used for the vertical margin UI experiment.
 const base::Feature kUIExperimentVerticalLayout{
     "OmniboxUIExperimentVerticalLayout", base::FEATURE_DISABLED_BY_DEFAULT};