shill: wimax: Use WiMaxManager DBus constants defined in system_api.

BUG=chrome-os-partner:9600
TEST=Build and run unit tests.

Change-Id: If2eb43f2fb80736a103642b33a3577cf6e24241f
Reviewed-on: https://gerrit.chromium.org/gerrit/22713
Tested-by: Ben Chan <benchan@chromium.org>
Reviewed-by: Darin Petkov <petkov@chromium.org>
Commit-Ready: Darin Petkov <petkov@chromium.org>
diff --git a/wimax_manager_proxy.cc b/wimax_manager_proxy.cc
index 8a035d4..9276e5a 100644
--- a/wimax_manager_proxy.cc
+++ b/wimax_manager_proxy.cc
@@ -5,6 +5,7 @@
 #include "shill/wimax_manager_proxy.h"
 
 #include <base/logging.h>
+#include <chromeos/dbus/service_constants.h>
 
 #include "shill/error.h"
 #include "shill/scope_logger.h"
@@ -13,12 +14,6 @@
 
 namespace shill {
 
-namespace {
-// TODO(petkov): Declare these in chromeos/dbus/service_constants.h.
-const char kWiMaxManagerServicePath[] = "/org/chromium/WiMaxManager";
-const char kWiMaxManagerServiceName[] = "org.chromium.WiMaxManager";
-}  // namespace
-
 WiMaxManagerProxy::WiMaxManagerProxy(DBus::Connection *connection)
     : proxy_(connection) {}
 
@@ -42,8 +37,8 @@
 
 WiMaxManagerProxy::Proxy::Proxy(DBus::Connection *connection)
     : DBus::ObjectProxy(*connection,
-                        kWiMaxManagerServicePath,
-                        kWiMaxManagerServiceName) {}
+                        wimax_manager::kWiMaxManagerServicePath,
+                        wimax_manager::kWiMaxManagerServiceName) {}
 
 WiMaxManagerProxy::Proxy::~Proxy() {}