Add full text regex searching to chrome://sync

sync/syncable/syncable_id.cc

Index: sync/syncable/syncable_id.cc
diff --git a/sync/syncable/syncable_id.cc b/sync/syncable/syncable_id.cc
index f860cb98a1f8d25e8203b7873f547f21fdc61335..92a741143a78ae122e13048ae96db1c1f94e2e7d 100644
--- a/sync/syncable/syncable_id.cc
+++ b/sync/syncable/syncable_id.cc
@@ -6,7 +6,6 @@
 
 #include <iosfwd>
 
-#include "base/string_util.h"
 #include "base/values.h"
 
 using std::ostream;
@@ -57,12 +56,6 @@ Id Id::GetLexicographicSuccessor() const {
   return id;
 }
 
-bool Id::ContainsStringCaseInsensitive(
-    const std::string& lowercase_query) const {
-  DCHECK_EQ(StringToLowerASCII(lowercase_query), lowercase_query);
-  return StringToLowerASCII(s_).find(lowercase_query) != std::string::npos;
-}
-
 // static
 Id Id::GetLeastIdForLexicographicComparison() {
   Id id;