PPAPI: Initialize CompletionCallbackWithOutput storage

ppapi/tests/test_network_proxy.cc

Index: ppapi/tests/test_network_proxy.cc
diff --git a/ppapi/tests/test_network_proxy.cc b/ppapi/tests/test_network_proxy.cc
index 62a4872b1d579cc792cefb61cc4036dd6c238881..24ec9f1cbe32a813c1b579423659468079d608a2 100644
--- a/ppapi/tests/test_network_proxy.cc
+++ b/ppapi/tests/test_network_proxy.cc
@@ -60,8 +60,7 @@ std::string TestNetworkProxy::TestGetProxyForURL() {
                                        callback.GetCallback()));
   CHECK_CALLBACK_BEHAVIOR(callback);
   ASSERT_EQ(PP_ERROR_BADARGUMENT, callback.result());
-  // TODO(dmichael): Add this check below when crbug.com/250046 is fixed.
-  // ASSERT_TRUE(callback.output().is_undefined());
+  ASSERT_TRUE(callback.output().is_undefined());
 
   callback.WaitForResult(
       pp::NetworkProxy::GetProxyForURL(instance_,
@@ -69,8 +68,7 @@ std::string TestNetworkProxy::TestGetProxyForURL() {
                                        callback.GetCallback()));
   CHECK_CALLBACK_BEHAVIOR(callback);
   ASSERT_EQ(PP_ERROR_BADARGUMENT, callback.result());
-  // TODO(dmichael): Add this check below when crbug.com/250046 is fixed.
-  // ASSERT_TRUE(callback.output().is_undefined());
+  ASSERT_TRUE(callback.output().is_undefined());
 
   PASS();
 }