Split ProxyResolver into two interfaces:...

net/url_request/url_request_unittest.h

Index: net/url_request/url_request_unittest.h
===================================================================
--- net/url_request/url_request_unittest.h	(revision 7227)
+++ net/url_request/url_request_unittest.h	(working copy)
@@ -23,7 +23,6 @@
 #include "net/base/net_errors.h"
 #include "net/http/http_network_layer.h"
 #include "net/url_request/url_request.h"
-#include "net/proxy/proxy_resolver_null.h"
 #include "net/proxy/proxy_service.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "googleurl/src/url_util.h"
@@ -35,7 +34,7 @@
 class TestURLRequestContext : public URLRequestContext {
  public:
   TestURLRequestContext() {
-    proxy_service_ = new net::ProxyService(new net::ProxyResolverNull);
+    proxy_service_ = net::ProxyService::CreateNull();
     http_transaction_factory_ =
         net::HttpNetworkLayer::CreateFactory(proxy_service_);
   }