[NTP] Add flag to hide the fakebox on the NTP

Bug: 923563
Change-Id: I6126106b46add84e80cf22efcb3ad2378bcabb86
Reviewed-on: https://chromium-review.googlesource.com/c/1465527
Reviewed-by: Ramya Nagarajan <[email protected]>
Reviewed-by: Elly Fong-Jones <[email protected]>
Commit-Queue: Kristi Park <[email protected]>
Cr-Commit-Position: refs/heads/master@{#631413}
diff --git a/chrome/browser/flag_descriptions.h b/chrome/browser/flag_descriptions.h
index da62372..83b0dae5 100644
--- a/chrome/browser/flag_descriptions.h
+++ b/chrome/browser/flag_descriptions.h
@@ -1687,6 +1687,9 @@
 extern const char kPromosOnLocalNtpName[];
 extern const char kPromosOnLocalNtpDescription[];
 
+extern const char kRemoveNtpFakeboxName[];
+extern const char kRemoveNtpFakeboxDescription[];
+
 extern const char kEnableWebAuthenticationBleSupportName[];
 extern const char kEnableWebAuthenticationBleSupportDescription[];