Add more unit tests for net/base/host_resolver.

net/base/run_all_unittests.cc

Index: net/base/run_all_unittests.cc
diff --git a/net/base/run_all_unittests.cc b/net/base/run_all_unittests.cc
index 71dada9d0199ea2ca7295efbd35e22ee1aabf4ee..15741e459c7900fcfad6395af2f600697c56f1a1 100644
--- a/net/base/run_all_unittests.cc
+++ b/net/base/run_all_unittests.cc
@@ -28,16 +28,20 @@
 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
 #include "base/message_loop.h"
+#include "base/ref_counted.h"
 #include "base/test_suite.h"
-#include "net/base/scoped_host_mapper.h"
+#include "net/base/host_resolver_unittest.h"
 
 class NetTestSuite : public TestSuite {
  public:
-  NetTestSuite(int argc, char** argv) : TestSuite(argc, argv) {
+  NetTestSuite(int argc, char** argv)
+      : TestSuite(argc, argv),
+        host_mapper_(new net::RuleBasedHostMapper()),
+        scoped_host_mapper_(host_mapper_.get()) {
     // In case any attempts are made to resolve host names, force them all to
     // be mapped to localhost.  This prevents DNS queries from being sent in
     // the process of running these unit tests.
-    host_mapper_.AddRule("*", "127.0.0.1");
+    host_mapper_->AddRule("*", "127.0.0.1");
   }
 
   virtual void Initialize() {
@@ -56,7 +60,8 @@ class NetTestSuite : public TestSuite {
 
  private:
   scoped_ptr<MessageLoop> message_loop_;
-  net::ScopedHostMapper host_mapper_;
+  scoped_refptr<net::RuleBasedHostMapper> host_mapper_;
+  net::ScopedHostMapper scoped_host_mapper_;
 };
 
 int main(int argc, char** argv) {