Allow use of Mojo/V8 ProxyResolvers with URLRequestContextBuilder.

net/test/embedded_test_server/simple_connection_listener.h

Index: net/test/embedded_test_server/simple_connection_listener.h
diff --git a/net/test/embedded_test_server/simple_connection_listener.h b/net/test/embedded_test_server/simple_connection_listener.h
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+++ b/net/test/embedded_test_server/simple_connection_listener.h
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+// Copyright 2017 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef NET_TEST_EMBEDDED_TEST_SERVER_SIMPLE_CONNECTION_LISTENER_H_
+#define NET_TEST_EMBEDDED_TEST_SERVER_SIMPLE_CONNECTION_LISTENER_H_
+
+#include "base/macros.h"
+#include "base/memory/ref_counted.h"
+#include "base/run_loop.h"
+#include "net/test/embedded_test_server/embedded_test_server_connection_listener.h"
+
+namespace base {
+class SequencedTaskRunner;
+}
+
+namespace net {
+
+class StreamSocket;
+
+namespace test_server {
+
+// Waits for a specified number of connection attempts to be seen.
+class SimpleConnectionListener : public EmbeddedTestServerConnectionListener {
+ public:
+  enum AllowAdditionalConnections {
+    // Add an expect failure if more than the specified number of connections
+    // are seen.
+    FAIL_ON_ADDITIONAL_CONNECTIONS,
+    // Silently ignores extra connection attempts.
+    ALLOW_ADDITIONAL_CONNECTIONS
+  };
+
+  // A connection listener that waits for the specified number of total
+  // connections when WaitForConnections() is called.  Must be created on a
+  // thread with a SingleThreadedTaskRunner.
+  SimpleConnectionListener(
+      int expected_connections,
+      AllowAdditionalConnections allow_additional_connections);
+
+  // Must be torn down only after the EmbeddedTestServer it's attached to is
+  // shut down.
+  ~SimpleConnectionListener() override;
+
+  void AcceptedSocket(const StreamSocket& socket) override;
+  void ReadFromSocket(const StreamSocket& socket, int rv) override;
+
+  // Wait until the expected number of connections have been seen.
+  void WaitForConnections();
+
+ private:
+  int seen_connections_ = 0;
+
+  const int expected_connections_;
+  const AllowAdditionalConnections allow_additional_connections_;
+
+  const scoped_refptr<base::SequencedTaskRunner> run_loop_task_runner_;
+
+  base::RunLoop run_loop_;
+
+  DISALLOW_COPY_AND_ASSIGN(SimpleConnectionListener);
+};
+
+}  // namespace test_server
+}  // namespace net
+
+#endif  // NET_TEST_EMBEDDED_TEST_SERVER_SIMPLE_CONNECTION_LISTENER_H_