Show a Google "G" in the omnibox on the New Tab Page.

chrome/browser/about_flags.cc

Index: chrome/browser/about_flags.cc
diff --git a/chrome/browser/about_flags.cc b/chrome/browser/about_flags.cc
index 2860a915a2d06a354f05478a02c296eb3c1e47ab..f5096723a1d8e83ce78d9161ea454e1e45bd41e7 100644
--- a/chrome/browser/about_flags.cc
+++ b/chrome/browser/about_flags.cc
@@ -1882,6 +1882,9 @@ const FeatureEntry kFeatureEntries[] = {
     {"ntp-condensed-layout", IDS_FLAGS_NTP_CONDENSED_LAYOUT_NAME,
      IDS_FLAGS_NTP_CONDENSED_LAYOUT_DESCRIPTION, kOsAndroid,
      FEATURE_VALUE_TYPE(chrome::android::kNTPCondensedLayoutFeature)},
+    {"ntp-google-g-in-omnibox", IDS_FLAGS_NTP_GOOGLE_G_IN_OMNIBOX_NAME,
+     IDS_FLAGS_NTP_GOOGLE_G_IN_OMNIBOX_DESCRIPTION, kOsAndroid,
+     FEATURE_VALUE_TYPE(chrome::android::NTPShowGoogleGInOmniboxFeature)},
 #endif  // OS_ANDROID
 #if BUILDFLAG(ENABLE_WEBRTC) && BUILDFLAG(RTC_USE_H264) && \
     !defined(MEDIA_DISABLE_FFMPEG)