More WaitableEvent stragglers migrated to enum-based constructor

media/audio/cras/cras_unified_unittest.cc

 // Copyright 2013 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 <stdint.h>
 
 #include <memory>
 #include <string>
 
 #include "base/macros.h"
@@ skipping 121 matching lines @@
   EXPECT_FALSE(test_stream->Open());
   test_stream->Close();
 }
 
 TEST_F(CrasUnifiedStreamTest, RenderFrames) {
   CrasUnifiedStream* test_stream = CreateStream(CHANNEL_LAYOUT_MONO);
   MockAudioSourceCallback mock_callback;
 
   ASSERT_TRUE(test_stream->Open());
 
-  base::WaitableEvent event(false, false);
+  base::WaitableEvent event(base::WaitableEvent::ResetPolicy::AUTOMATIC,
+                            base::WaitableEvent::InitialState::NOT_SIGNALED);
 
   EXPECT_CALL(mock_callback, OnMoreData(_, _, 0))
       .WillRepeatedly(
           DoAll(InvokeWithoutArgs(&event, &base::WaitableEvent::Signal),
                 Return(kTestFramesPerPacket)));
 
   test_stream->Start(&mock_callback);
 
   // Wait for samples to be captured.
   EXPECT_TRUE(event.TimedWait(TestTimeouts::action_timeout()));
 
   test_stream->Stop();
 
   test_stream->Close();
 }
 
 }  // namespace media