shill: Update WiMAX DBus proxy interfaces and classes.

Adds WiMaxManager.Network proxy. Creates WiMaxService objects based on
the available WiMax networks thus adding initial support for multiple
active WiMAX services. Adds a "Scanning" property to the WiMax device,
similar to WiFi and Cellular.

BUG=chrome-os-partner:9782
TEST=Build and run unit tests.
CQ-DEPEND=I97ce1351436afb3aeac0d2a48a8f51e1501e7466

Change-Id: Ie3f919846114f63414788c5b970fa0dff2e2d06a
Reviewed-on: https://gerrit.chromium.org/gerrit/23008
Reviewed-by: mukesh agrawal <quiche@chromium.org>
Commit-Ready: Ben Chan <benchan@chromium.org>
Tested-by: Ben Chan <benchan@chromium.org>
diff --git a/wimax_network_proxy_interface.h b/wimax_network_proxy_interface.h
new file mode 100644
index 0000000..530acb2
--- /dev/null
+++ b/wimax_network_proxy_interface.h
@@ -0,0 +1,32 @@
+// Copyright (c) 2012 The Chromium OS 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 SHILL_WIMAX_NETWORK_PROXY_INTERFACE_
+#define SHILL_WIMAX_NETWORK_PROXY_INTERFACE_
+
+#include <string>
+
+#include <base/basictypes.h>
+
+namespace shill {
+
+class Error;
+
+// These are the methods that a WiMaxManager.Network proxy must support. The
+// interface is provided so that it can be mocked in tests.
+class WiMaxNetworkProxyInterface {
+ public:
+  virtual ~WiMaxNetworkProxyInterface() {}
+
+  // Properties.
+  virtual uint32 Identifier(Error *error) = 0;
+  virtual std::string Name(Error *error) = 0;
+  virtual int Type(Error *error) = 0;
+  virtual int CINR(Error *error) = 0;
+  virtual int RSSI(Error *error) = 0;
+};
+
+}  // namespace shill
+
+#endif  // SHILL_WIMAX_NETWORK_PROXY_INTERFACE_H_