Use safer IPC serializations in media_param_traits.cc

media/audio/alsa/alsa_output_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 "base/strings/stringprintf.h"
 #include "media/audio/alsa/alsa_output.h"
 #include "media/audio/alsa/alsa_wrapper.h"
 #include "media/audio/alsa/audio_manager_alsa.h"
 #include "media/audio/fake_audio_log_factory.h"
 #include "media/audio/mock_audio_source_callback.h"
@@ skipping 219 matching lines @@
                                  kTestSampleRate, kTestBitsPerSample - 1,
                                  kTestFramesPerPacket);
   test_stream = new AlsaPcmOutputStream(kTestDeviceName,
                                         bad_bps_params,
                                         &mock_alsa_wrapper_,
                                         mock_manager_.get());
   EXPECT_EQ(AlsaPcmOutputStream::kInError, test_stream->state());
   test_stream->Close();
 
   // Bad format.
-  AudioParameters bad_format_params(
-      AudioParameters::AUDIO_LAST_FORMAT, kTestChannelLayout, kTestSampleRate,
-      kTestBitsPerSample, kTestFramesPerPacket);
+  AudioParameters bad_format_params(static_cast<AudioParameters::Format>(
+                                        AudioParameters::AUDIO_FORMAT_LAST + 1),
+                                    kTestChannelLayout, kTestSampleRate,
+                                    kTestBitsPerSample, kTestFramesPerPacket);
   test_stream = new AlsaPcmOutputStream(kTestDeviceName,
                                         bad_format_params,
                                         &mock_alsa_wrapper_,
                                         mock_manager_.get());
   EXPECT_EQ(AlsaPcmOutputStream::kInError, test_stream->state());
   test_stream->Close();
 }
 
 TEST_F(AlsaPcmOutputStreamTest, LatencyFloor) {
   const double kMicrosPerFrame =
@@ skipping 606 matching lines @@
 
   // TODO(ajwong): Find a way to test whether or not another task has been
   // posted so we can verify that the Alsa code will indeed break the task
   // posting loop.
 
   test_stream->TransitionTo(AlsaPcmOutputStream::kIsClosed);
   test_stream->Close();
 }
 
 }  // namespace media