Add AssignmentSource to BlimpClientContextImpl

blimp/client/public/session/assignment.h

Index: blimp/client/public/session/assignment.h
diff --git a/blimp/client/public/session/assignment.h b/blimp/client/public/session/assignment.h
new file mode 100644
index 0000000000000000000000000000000000000000..71c0878629a98e54a7fe398cdede61a06af7b979
--- /dev/null
+++ b/blimp/client/public/session/assignment.h
@@ -0,0 +1,70 @@
+// Copyright 2016 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 BLIMP_CLIENT_PUBLIC_SESSION_ASSIGNMENT_H_
+#define BLIMP_CLIENT_PUBLIC_SESSION_ASSIGNMENT_H_
+
+#include <string>
+
+#include "base/memory/ref_counted.h"
+#include "net/base/ip_endpoint.h"
+
+namespace net {
+class X509Certificate;
+}
+
+namespace blimp {
+namespace client {
+
+// A Java counterpart will be generated for this enum.
+// GENERATED_JAVA_ENUM_PACKAGE: org.chromium.blimp_public.session
+enum AssignmentRequestResult {
+  ASSIGNMENT_REQUEST_RESULT_UNKNOWN = 0,
+  ASSIGNMENT_REQUEST_RESULT_OK = 1,
+  ASSIGNMENT_REQUEST_RESULT_BAD_REQUEST = 2,
+  ASSIGNMENT_REQUEST_RESULT_BAD_RESPONSE = 3,
+  ASSIGNMENT_REQUEST_RESULT_INVALID_PROTOCOL_VERSION = 4,
+  ASSIGNMENT_REQUEST_RESULT_EXPIRED_ACCESS_TOKEN = 5,
+  ASSIGNMENT_REQUEST_RESULT_USER_INVALID = 6,
+  ASSIGNMENT_REQUEST_RESULT_OUT_OF_VMS = 7,
+  ASSIGNMENT_REQUEST_RESULT_SERVER_ERROR = 8,
+  ASSIGNMENT_REQUEST_RESULT_SERVER_INTERRUPTED = 9,
+  ASSIGNMENT_REQUEST_RESULT_NETWORK_FAILURE = 10,
+  ASSIGNMENT_REQUEST_RESULT_INVALID_CERT = 11,
+};
+
+// An Assignment contains the configuration data needed for a client
+// to connect to the engine.
+struct Assignment {
+  enum TransportProtocol {
+    UNKNOWN = 0,
+    SSL = 1,
+    TCP = 2,
+  };
+
+  Assignment();
+  Assignment(const Assignment& other);
+  ~Assignment();
+
+  // Returns true if the net::IPEndPoint has an unspecified IP, port, or

[Kevin M, 2016/08/09 21:00:34]

Returns false?

[nyquist, 2016/08/10 01:19:52]

Ouch! Done.

+  // transport protocol.
+  bool IsValid() const;
+
+  // Specifies the transport to use to connect to the engine.
+  TransportProtocol transport_protocol;
+
+  // Specifies the IP address and port on which to reach the engine.
+  net::IPEndPoint engine_endpoint;
+
+  // Used to authenticate to the specified engine.
+  std::string client_token;
+
+  // Specifies the X.509 certificate that the engine must report.

[Kevin M, 2016/08/09 21:00:34]

"must report" is a little misleading - it's more than just a matter of
"reporting" a value; it's also used for key exchange?

"Specifies the engine's X.509 certificate." ?

[nyquist, 2016/08/10 01:19:52]

Agreed! Done.

+  scoped_refptr<net::X509Certificate> cert;
+};
+
+}  // namespace client
+}  // namespace blimp
+
+#endif  // BLIMP_CLIENT_PUBLIC_SESSION_ASSIGNMENT_H_