Implement SDCH Dictionary domain matching as per RFC 2965

net/base/sdch_dictionary_unittest.cc

Index: net/base/sdch_dictionary_unittest.cc
diff --git a/net/base/sdch_dictionary_unittest.cc b/net/base/sdch_dictionary_unittest.cc
index d9fd92e7db41ba8e77791f8ed1287607cd219702..46696bc31ced75406e53f3025382bfe393238bcf 100644
--- a/net/base/sdch_dictionary_unittest.cc
+++ b/net/base/sdch_dictionary_unittest.cc
@@ -116,6 +116,23 @@ TEST(SdchDictionaryTest, PathMatch) {
   EXPECT_FALSE(PathMatch("/abc", "/ABC"));
 }
 
+TEST(SdchDictionaryTest, DomainMatch) {
+  bool (*DomainMatch)(const GURL& url, const std::string& restriction) =
+      SdchDictionary::DomainMatch;
+  EXPECT_TRUE(DomainMatch(GURL("http://example.com"), "example.com"));
+  EXPECT_TRUE(DomainMatch(GURL("http://www.example.com"), ".example.com"));
+
+  // Trailing dot handling
+  EXPECT_TRUE(DomainMatch(GURL("http://example.com./"), "example.com"));
+  EXPECT_TRUE(DomainMatch(GURL("http://example.com/"), "example.com."));
+
+  EXPECT_FALSE(DomainMatch(GURL("http://www.example.com"), "example.com"));
+  EXPECT_FALSE(DomainMatch(GURL("http://badexample.com"), "example.com"));
+  EXPECT_FALSE(DomainMatch(GURL("http://badexample.com"), ".example.com"));
+  EXPECT_FALSE(DomainMatch(GURL("http://example.com.tld"), "example.com"));
+  EXPECT_FALSE(DomainMatch(GURL("http://example.com.tld"), ".example.com"));
+}
+
 TEST(SdchDictionaryTest, Expired) {
   EXPECT_TRUE(
       SdchDictionary("xyzzy", 0u, "ch", "sh", GURL("http://www.example.com"),