Make TCPClientSocketPool own the ConnectingSockets.

net/url_request/url_request_unittest.h

Index: net/url_request/url_request_unittest.h
diff --git a/net/url_request/url_request_unittest.h b/net/url_request/url_request_unittest.h
index fa676f82e79423757f9540c08ae9be62f4404482..eddb51da26875c5ca3ee2ce7f67d205173c2da49 100644
--- a/net/url_request/url_request_unittest.h
+++ b/net/url_request/url_request_unittest.h
@@ -43,10 +43,7 @@ using base::TimeDelta;
 class TestURLRequestContext : public URLRequestContext {
  public:
   TestURLRequestContext() {
-    // TODO(eroman): we turn off host caching to see if synchronous
-    // host resolving interacts poorly with client socket pool. [experiment]
-    // http://crbug.com/13952
-    host_resolver_ = new net::HostResolver(0, 0);
+    host_resolver_ = new net::HostResolver;
     proxy_service_ = net::ProxyService::CreateNull();
     http_transaction_factory_ =
         net::HttpNetworkLayer::CreateFactory(host_resolver_,