[iOS][Omnibox][RichInline] Add feature flag

Add rich inline autocompletion to iOS flags.

Bug: None
Change-Id: Ia497b2f905680b2fc81d54007d99498b65283df1
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/5277161
Auto-Submit: Christian Xu <[email protected]>
Reviewed-by: Ewann PellĂ© <[email protected]>
Commit-Queue: Christian Xu <[email protected]>
Cr-Commit-Position: refs/heads/main@{#1257939}
diff --git a/ios/chrome/browser/flags/about_flags.mm b/ios/chrome/browser/flags/about_flags.mm
index ef92881..32ff3b1 100644
--- a/ios/chrome/browser/flags/about_flags.mm
+++ b/ios/chrome/browser/flags/about_flags.mm
@@ -1588,6 +1588,10 @@
     {"tab-grid-always-bounce", flag_descriptions::kTabGridAlwaysBounceName,
      flag_descriptions::kTabGridAlwaysBounceDescription, flags_ui::kOsIos,
      FEATURE_VALUE_TYPE(kTabGridAlwaysBounce)},
+    {"omnibox-rich-autocompletion",
+     flag_descriptions::kOmniboxRichAutocompletionName,
+     flag_descriptions::kOmniboxRichAutocompletionDescription, flags_ui::kOsIos,
+     FEATURE_VALUE_TYPE(omnibox::kRichAutocompletion)},
     {"disable-lens-camera", flag_descriptions::kDisableLensCameraName,
      flag_descriptions::kDisableLensCameraDescription, flags_ui::kOsIos,
      FEATURE_VALUE_TYPE(kDisableLensCamera)},