Add finch flag for rendering a recently closed link on the local ntp.

chrome/browser/search/search.cc

Index: chrome/browser/search/search.cc
diff --git a/chrome/browser/search/search.cc b/chrome/browser/search/search.cc
index ba0820034c10d4e72a5531096e2dc58eae104b0b..5a70340579ecd15276de6242f3b9a2af188e084b 100644
--- a/chrome/browser/search/search.cc
+++ b/chrome/browser/search/search.cc
@@ -62,6 +62,9 @@ const char kLocalOnlyFlagName[] = "local_only";
 // Key for specifying local NTP behavior trials.
 const char kLocalNTPFlagName[] = "local_ntp";
 
+// Key for enabling the recently closed link on the local NTP.
+const char kRecentlyClosedNTPLinkFlagName[] = "recently_closed_ntp_link";

[samarth, 2013/05/03 04:52:45]

show_recently_closed_ntp_link or just show_recently_closed

[jeremycho, 2013/05/03 06:30:29]

Done.

+
 // Constants for the field trial name and group prefix.
 const char kInstantExtendedFieldTrialName[] = "InstantExtended";
 const char kGroupNumberPrefix[] = "Group";
@@ -493,6 +496,18 @@ bool IsAggressiveLocalNTPFallbackEnabled() {
   return false;
 }
 
+bool IsRecentlyClosedNTPLinkEnabled() {
+  FieldTrialFlags flags;
+  if (GetFieldTrialInfo(
+          base::FieldTrialList::FindFullName(kInstantExtendedFieldTrialName),
+          &flags, NULL)) {
+    return GetBoolValueForFlagWithDefault(
+        kRecentlyClosedNTPLinkFlagName, false, flags);
+  }
+
+  return false;
+}
+
 bool MatchesOriginAndPath(const GURL& my_url, const GURL& other_url) {
   return MatchesOrigin(my_url, other_url) && my_url.path() == other_url.path();
 }