Add a feature to the HostResolverRules to be able to match rules only...

net/base/host_mapping_rules_unittest.cc

Index: net/base/host_mapping_rules_unittest.cc
===================================================================
--- net/base/host_mapping_rules_unittest.cc	(revision 56811)
+++ net/base/host_mapping_rules_unittest.cc	(working copy)
@@ -37,6 +37,36 @@
   EXPECT_EQ(666u, host_port.port());
 }
 
+TEST(HostMappingRulesTest, PortSpecificMatching) {
+  HostMappingRules rules;
+  rules.SetRulesFromString(
+    "map *.com:80 baz:111 , map *.com:443 blat:333, EXCLUDE *.foo.com");

[eroman, 2010/08/20 18:25:00]

nit: indent continued lines by 4.

+
+  // No match
+  HostPortPair host_port("test.com", 1234);
+  EXPECT_FALSE(rules.RewriteHost(&host_port));
+  EXPECT_EQ("test.com", host_port.host());
+  EXPECT_EQ(1234u, host_port.port());
+
+  // Match port 80
+  host_port = HostPortPair("crack.com", 80);
+  EXPECT_TRUE(rules.RewriteHost(&host_port));
+  EXPECT_EQ("baz", host_port.host());
+  EXPECT_EQ(111u, host_port.port());
+
+  // Match port 443
+  host_port = HostPortPair("wtf.com", 443);

[eroman, 2010/08/20 18:25:00]

heh, colorful hostnames :)

+  EXPECT_TRUE(rules.RewriteHost(&host_port));
+  EXPECT_EQ("blat", host_port.host());
+  EXPECT_EQ(333u, host_port.port());
+
+  // Match port 443, but excluded.
+  host_port = HostPortPair("wtf.foo.com", 443);
+  EXPECT_FALSE(rules.RewriteHost(&host_port));
+  EXPECT_EQ("wtf.foo.com", host_port.host());
+  EXPECT_EQ(443u, host_port.port());
+}
+
 // Parsing bad rules should silently discard the rule (and never crash).
 TEST(HostMappingRulesTest, ParseInvalidRules) {
   HostMappingRules rules;