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

net/http/http_network_transaction_unittest.cc

Index: net/http/http_network_transaction_unittest.cc
diff --git a/net/http/http_network_transaction_unittest.cc b/net/http/http_network_transaction_unittest.cc
index 7d4329ebb780294d8fb186dc32045e0d9880d454..ceb6b9ecc7b66472e52bba475f9408a0216c01e6 100644
--- a/net/http/http_network_transaction_unittest.cc
+++ b/net/http/http_network_transaction_unittest.cc
@@ -7124,6 +7124,17 @@ class CapturingProxyResolver : public ProxyResolver {
     NOTREACHED();
   }
 
+  virtual LoadState GetLoadState(RequestHandle request) const OVERRIDE {
+    NOTREACHED();
+    return LOAD_STATE_IDLE;
+  }
+
+  virtual LoadState GetLoadStateThreadSafe(
+      RequestHandle request) const OVERRIDE {
+    NOTREACHED();
+    return LOAD_STATE_IDLE;
+  }
+
   virtual void CancelSetPacScript() {
     NOTREACHED();
   }