Fix crash when trying to connect to an IPv6 IP via a SOCKS4 proxy.

net/dns/host_resolver_impl_unittest.cc

Index: net/dns/host_resolver_impl_unittest.cc
diff --git a/net/dns/host_resolver_impl_unittest.cc b/net/dns/host_resolver_impl_unittest.cc
index 4ab8fdf1c3689c441109731ef6682f325dfc9de3..89112de718012afa962b9fd54b8ff0b35103fcee 100644
--- a/net/dns/host_resolver_impl_unittest.cc
+++ b/net/dns/host_resolver_impl_unittest.cc
@@ -1236,6 +1236,33 @@ TEST_F(HostResolverImplTest, SetDefaultAddressFamily_IPv6) {
   EXPECT_TRUE(requests_[2]->HasOneAddress("1.0.0.1", 80));
 }
 
+// Make sure that the address family parameter is respected when raw IPs are
+// passed in.
+TEST_F(HostResolverImplTest, AddressFamilyWithRawIPs) {
+  Request* request =
+      CreateRequest("127.0.0.1", 80,  MEDIUM, ADDRESS_FAMILY_IPV4);
+  EXPECT_EQ(OK, request->Resolve());
+  EXPECT_TRUE(request->HasOneAddress("127.0.0.1", 80));
+
+  request = CreateRequest("127.0.0.1", 80,  MEDIUM, ADDRESS_FAMILY_IPV6);
+  EXPECT_EQ(ERR_NAME_NOT_RESOLVED, request->Resolve());
+
+  request = CreateRequest("127.0.0.1", 80,  MEDIUM, ADDRESS_FAMILY_UNSPECIFIED);
+  EXPECT_EQ(OK, request->Resolve());
+  EXPECT_TRUE(request->HasOneAddress("127.0.0.1", 80));
+
+  request = CreateRequest("::1", 80,  MEDIUM, ADDRESS_FAMILY_IPV4);
+  EXPECT_EQ(ERR_NAME_NOT_RESOLVED, request->Resolve());
+
+  request = CreateRequest("::1", 80,  MEDIUM, ADDRESS_FAMILY_IPV6);
+  EXPECT_EQ(OK, request->Resolve());
+  EXPECT_TRUE(request->HasOneAddress("::1", 80));
+
+  request = CreateRequest("::1", 80,  MEDIUM, ADDRESS_FAMILY_UNSPECIFIED);
+  EXPECT_EQ(OK, request->Resolve());
+  EXPECT_TRUE(request->HasOneAddress("::1", 80));
+}
+
 TEST_F(HostResolverImplTest, ResolveFromCache) {
   proc_->AddRuleForAllFamilies("just.testing", "192.168.1.42");
   proc_->SignalMultiple(1u);  // Need only one.