shill: wimax: Provide a basic implementation for Start/Stop/Enable/Disable.

BUG=chrome-os-partner:9748
TEST=unit tests

Change-Id: Idb21cb17d94283aae16288428199335d5332edd5
Reviewed-on: https://gerrit.chromium.org/gerrit/22808
Commit-Ready: Ben Chan <benchan@chromium.org>
Reviewed-by: Ben Chan <benchan@chromium.org>
Tested-by: Ben Chan <benchan@chromium.org>
diff --git a/wimax.h b/wimax.h
index dbf8f06..2beadb8 100644
--- a/wimax.h
+++ b/wimax.h
@@ -41,9 +41,19 @@
   friend class WiMaxTest;
   FRIEND_TEST(WiMaxTest, StartStop);
 
+  static const int kTimeoutDefault;
+
+  void OnConnectComplete(const Error &error);
+  void OnDisconnectComplete(const Error &error);
+  void OnEnableComplete(const EnabledStateChangedCallback &callback,
+                        const Error &error);
+  void OnDisableComplete(const EnabledStateChangedCallback &callback,
+                         const Error &error);
+
   const RpcIdentifier path_;
 
   scoped_ptr<WiMaxDeviceProxyInterface> proxy_;
+  WiMaxServiceRefPtr service_;
 
   ProxyFactory *proxy_factory_;