Add support to enable EmbeddedSearch API in Android Chrome search results page.

chrome/app/generated_resources.grd

Index: chrome/app/generated_resources.grd
diff --git a/chrome/app/generated_resources.grd b/chrome/app/generated_resources.grd
index e03a0239697aaaabeb458331402d49cae487a4a4..ea9f784750e85dba4b3d3f3859abf05e68d865c1 100644
--- a/chrome/app/generated_resources.grd
+++ b/chrome/app/generated_resources.grd
@@ -14641,6 +14641,16 @@ Do you accept?
     <message name="IDS_FLAGS_ENABLE_INSTANT_SEARCH_CLICKS_DESCRIPTION" desc="Description to enable instant search clicks">
       If enabled, prefetch previews for search results and swap them with original page when is downloaded and rendered.
     </message>
+
+    <!-- Experiment flags to enable EmbeddedSearch API in the search results page -->
+    <if expr="is_android">
+    <message name="IDS_FLAGS_ENABLE_EMBEDDEDSEARCH_API_NAME" desc="An about::flags experiment title to enable EmbeddedSearch API in the search results page">
+      Enable EmbeddedSearch API
+    </message>
+    <message name="IDS_FLAGS_ENABLE_EMBEDDEDSEARCH_API_DESCRIPTION" desc="Describes an about:flags experiment for enabling EmbeddedSearch API in the search results page">
+     If enabled, EmbeddedSearch API will be used to submit search queries in the search results page.
+    </message>
+    </if>
   </messages>
   </release>
 </grit>