Add default shortcut to Google Search on the NTP

Add a flag to show a Google Search shortcut on the
NTP by default. Only add the shortcut if this is
a Chrome branded build.

Bug: 962558
Change-Id: I4f5cd18b0dc3182264057f55eb381cb94d6ee49b
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1614457
Reviewed-by: Scott Violet <[email protected]>
Reviewed-by: Marc Treib <[email protected]>
Reviewed-by: Ramya Nagarajan <[email protected]>
Commit-Queue: Kyle Milka <[email protected]>
Cr-Commit-Position: refs/heads/master@{#663980}
diff --git a/components/components_strings.grd b/components/components_strings.grd
index b334ee32..f35232385 100644
--- a/components/components_strings.grd
+++ b/components/components_strings.grd
@@ -208,6 +208,7 @@
       <part file="login_dialog_strings.grdp" />
       <part file="new_or_sad_tab_strings.grdp" />
       <part file="ntp_snippets_strings.grdp" />
+      <part file="ntp_tiles_strings.grdp" />
       <part file="omnibox_strings.grdp" />
       <part file="page_info_strings.grdp" />
       <part file="password_manager_strings.grdp" />