Add new text for indicating we are resolving hosts during proxy resolution.

net/proxy/init_proxy_resolver_unittest.cc

Index: net/proxy/init_proxy_resolver_unittest.cc
diff --git a/net/proxy/init_proxy_resolver_unittest.cc b/net/proxy/init_proxy_resolver_unittest.cc
index 2e48429b1a0ff848c3de75d013c7e61c05db4144..d44dba51a5c099e97411cebd22b22768fc6ac7db 100644
--- a/net/proxy/init_proxy_resolver_unittest.cc
+++ b/net/proxy/init_proxy_resolver_unittest.cc
@@ -135,6 +135,17 @@ class RuleBasedProxyResolver : public ProxyResolver {
     NOTREACHED();
   }
 
+  virtual LoadState GetLoadState(RequestHandle request_handle) const {
+    NOTREACHED();
+    return LOAD_STATE_IDLE;
+  }
+
+  virtual LoadState GetLoadStateThreadSafe(
+      RequestHandle request) const OVERRIDE {
+    NOTREACHED();
+    return LOAD_STATE_IDLE;
+  }
+
   virtual void CancelSetPacScript() {
     NOTREACHED();
   }