Add C++ wrappers for output parameters.

ppapi/tests/test_flash_message_loop.cc

 // Copyright (c) 2012 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.
 
 #include "ppapi/tests/test_flash_message_loop.h"
 
 #include "ppapi/c/pp_macros.h"
 #include "ppapi/cpp/core.h"
 #include "ppapi/cpp/logging.h"
 #include "ppapi/cpp/module.h"
@@ skipping 13 matching lines @@
 }
 
 void TestFlashMessageLoop::RunTests(const std::string& filter) {
   RUN_TEST(Basics, filter);
   RUN_TEST(RunWithoutQuit, filter);
 }
 
 std::string TestFlashMessageLoop::TestBasics() {
   message_loop_ = new pp::flash::MessageLoop(instance_);
 
-  pp::CompletionCallback callback =
-      callback_factory_.NewRequiredCallback(
-          &TestFlashMessageLoop::QuitMessageLoopTask);
+  pp::CompletionCallback callback = callback_factory_.NewCallback(
+      &TestFlashMessageLoop::QuitMessageLoopTask);
   pp::Module::Get()->core()->CallOnMainThread(0, callback);
   int32_t result = message_loop_->Run();
 
   ASSERT_TRUE(message_loop_);
   delete message_loop_;
   message_loop_ = NULL;
 
   ASSERT_EQ(result, PP_OK);
   PASS();
 }
 
 std::string TestFlashMessageLoop::TestRunWithoutQuit() {
   message_loop_ = new pp::flash::MessageLoop(instance_);
 
-  pp::CompletionCallback callback =
-      callback_factory_.NewRequiredCallback(
-          &TestFlashMessageLoop::DestroyMessageLoopResourceTask);
+  pp::CompletionCallback callback = callback_factory_.NewCallback(
+      &TestFlashMessageLoop::DestroyMessageLoopResourceTask);
   pp::Module::Get()->core()->CallOnMainThread(0, callback);
   int32_t result = message_loop_->Run();
 
   if (message_loop_) {
     delete message_loop_;
     message_loop_ = NULL;
     ASSERT_TRUE(false);
   }
 
   ASSERT_EQ(result, PP_ERROR_ABORTED);
   PASS();
 }
 
 void TestFlashMessageLoop::QuitMessageLoopTask(int32_t unused) {
   if (message_loop_)
     message_loop_->Quit();
   else
     PP_NOTREACHED();
 }
 
 void TestFlashMessageLoop::DestroyMessageLoopResourceTask(int32_t unused) {
   if (message_loop_) {
     delete message_loop_;
     message_loop_ = NULL;
   } else {
     PP_NOTREACHED();
   }
 }