Add base namespace to more values in sync and elsewhere.

chromeos/network/certificate_pattern.cc

Index: chromeos/network/certificate_pattern.cc
diff --git a/chromeos/network/certificate_pattern.cc b/chromeos/network/certificate_pattern.cc
index f2048e07a3102122531087bc6eebdccff5b38c4d..c69ce55871f47803a6d8c47056a8a6d3cf374f70 100644
--- a/chromeos/network/certificate_pattern.cc
+++ b/chromeos/network/certificate_pattern.cc
@@ -42,7 +42,7 @@ base::ListValue* CreateListFromStrings(
   base::ListValue* new_list = new base::ListValue;
   for (std::vector<std::string>::const_iterator iter = strings.begin();
        iter != strings.end(); ++iter) {
-    new_list->Append(new StringValue(*iter));
+    new_list->Append(new base::StringValue(*iter));
   }
   return new_list;
 }