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

net/proxy/multi_threaded_proxy_resolver_unittest.cc

Index: net/proxy/multi_threaded_proxy_resolver_unittest.cc
diff --git a/net/proxy/multi_threaded_proxy_resolver_unittest.cc b/net/proxy/multi_threaded_proxy_resolver_unittest.cc
index 8e060a9bd7d8a9e608cf5874c7351b56ee688d45..349c425de178556d0264581194ab5be8f378d4ef 100644
--- a/net/proxy/multi_threaded_proxy_resolver_unittest.cc
+++ b/net/proxy/multi_threaded_proxy_resolver_unittest.cc
@@ -62,6 +62,11 @@ class MockProxyResolver : public ProxyResolver {
     NOTREACHED();
   }
 
+  virtual LoadState GetLoadState(RequestHandle request) const OVERRIDE {
+    NOTREACHED();
+    return LOAD_STATE_IDLE;
+  }
+
   virtual void CancelSetPacScript() OVERRIDE {
     NOTREACHED();
   }
@@ -175,6 +180,11 @@ class ForwardingProxyResolver : public ProxyResolver {
     impl_->CancelRequest(request);
   }
 
+  virtual LoadState GetLoadState(RequestHandle request) const OVERRIDE {
+    NOTREACHED();
+    return LOAD_STATE_IDLE;
+  }
+
   virtual void CancelSetPacScript() OVERRIDE {
     impl_->CancelSetPacScript();
   }