Initial support for camera assisted search with Google Lens in Omnibox and NTP

Design doc:go/lens-chrome-omnibox-ntp
Screenshot: https://screenshot.googleplex.com/5idKZZSfmGxs6ca

Change-Id: Ie799e6186e806d0a21d6f0f17bf83c66bfb242ea
Bug: 1175230,b/180518516
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2693505
Reviewed-by: Filip Gorski <[email protected]>
Reviewed-by: Yusuf Ozuysal <[email protected]>
Reviewed-by: Brandon Wylie <[email protected]>
Reviewed-by: Ben Goldberger <[email protected]>
Commit-Queue: Yu Su <[email protected]>
Cr-Commit-Position: refs/heads/master@{#857561}
diff --git a/chrome/browser/flag_descriptions.cc b/chrome/browser/flag_descriptions.cc
index 485e9b88..34e1e03 100644
--- a/chrome/browser/flag_descriptions.cc
+++ b/chrome/browser/flag_descriptions.cc
@@ -1417,6 +1417,12 @@
     "Show security warnings for sites that use legacy TLS versions (TLS 1.0 "
     "and TLS 1.1), which are deprecated and will be removed in the future.";
 
+const char kLensCameraAssistedSearchName[] =
+    "Google Lens in Omnibox and New Tab Page";
+const char kLensCameraAssistedSearchDescription[] =
+    "Enable an entry point to Google Lens to allow users to search what they "
+    "see using their mobile camera.";
+
 const char kLiteVideoName[] = "Enable LiteVideos";
 const char kLiteVideoDescription[] =
     "Enable the LiteVideo optimization to throttle media requests to "