Mitigate spoofing attempt using Latin letters.

net/base/registry_controlled_domains/registry_controlled_domain.cc

Index: net/base/registry_controlled_domains/registry_controlled_domain.cc
diff --git a/net/base/registry_controlled_domains/registry_controlled_domain.cc b/net/base/registry_controlled_domains/registry_controlled_domain.cc
index 3777582812bb7103d4062d13a22a53ad342aac8e..615a1f230d728c38c9cc5ecf8a69fbf094d87e12 100644
--- a/net/base/registry_controlled_domains/registry_controlled_domain.cc
+++ b/net/base/registry_controlled_domains/registry_controlled_domain.cc
@@ -46,9 +46,9 @@
 #include "net/base/registry_controlled_domains/registry_controlled_domain.h"
 
 #include "base/logging.h"
+#include "base/lookup_string_in_fixed_set.h"
 #include "base/strings/string_util.h"
 #include "base/strings/utf_string_conversions.h"
-#include "net/base/lookup_string_in_fixed_set.h"
 #include "net/base/net_module.h"
 #include "net/base/url_util.h"
 #include "url/gurl.h"
@@ -107,10 +107,10 @@ size_t GetRegistryLengthImpl(base::StringPiece host,
   while (1) {
     const char* domain_str = host.data() + curr_start;
     size_t domain_length = host_check_len - curr_start;
-    int type = LookupStringInFixedSet(g_graph, g_graph_length, domain_str,
-                                      domain_length);
-    bool do_check = type != kDafsaNotFound &&
-                    (!(type & kDafsaPrivateRule) ||
+    int type = base::LookupStringInFixedSet(g_graph, g_graph_length, domain_str,
+                                            domain_length);
+    bool do_check = type != base::kDafsaNotFound &&
+                    (!(type & base::kDafsaPrivateRule) ||
                      private_filter == INCLUDE_PRIVATE_REGISTRIES);
 
     // If the apparent match is a private registry and we're not including
@@ -118,14 +118,15 @@ size_t GetRegistryLengthImpl(base::StringPiece host,
     if (do_check) {
       // Exception rules override wildcard rules when the domain is an exact
       // match, but wildcards take precedence when there's a subdomain.
-      if (type & kDafsaWildcardRule && (prev_start != std::string::npos)) {
+      if (type & base::kDafsaWildcardRule &&
+          (prev_start != std::string::npos)) {
         // If prev_start == host_check_begin, then the host is the registry
         // itself, so return 0.
         return (prev_start == host_check_begin) ? 0
                                                 : (host.length() - prev_start);
       }
 
-      if (type & kDafsaExceptionRule) {
+      if (type & base::kDafsaExceptionRule) {
         if (next_dot == std::string::npos) {
           // If we get here, we had an exception rule with no dots (e.g.
           // "!foo").  This would only be valid if we had a corresponding