Add WebThread in AudioDestination to support AudioWorkletThread

third_party/WebKit/Source/platform/audio/PushPullFIFOTest.cpp

Index: third_party/WebKit/Source/platform/audio/PushPullFIFOTest.cpp
diff --git a/third_party/WebKit/Source/platform/audio/PushPullFIFOTest.cpp b/third_party/WebKit/Source/platform/audio/PushPullFIFOTest.cpp
index 9351b4281d13b47fbf34e13dc8b9ae9643a9dabb..0ea8b22c8d9c84363728a148cd3c3b953f14b36b 100644
--- a/third_party/WebKit/Source/platform/audio/PushPullFIFOTest.cpp
+++ b/third_party/WebKit/Source/platform/audio/PushPullFIFOTest.cpp
@@ -15,37 +15,54 @@ namespace blink {
 
 namespace {
 
+class MockAudioIOCallback : public AudioIOCallback {
+ public:
+  MockAudioIOCallback() {};
+  ~MockAudioIOCallback() {};
+
+  void Render(AudioBus* source_bus,
+              AudioBus* destination_bus,
+              size_t number_of_frames,
+              const AudioIOPosition& output_position) final {}
+};
+
 // Check the basic contract of FIFO.
 TEST(PushPullFIFOBasicTest, BasicTests) {
   // This suppresses the multi-thread warning for GTest. Potently it increases
   // the test execution time, but this specific test is very short and simple.
   ::testing::FLAGS_gtest_death_test_style = "threadsafe";
 
+  const ThreadIdentifier thread_id = CurrentThread();
+  MockAudioIOCallback* mock_audio_io_callback = new MockAudioIOCallback();
+
   // FIFO length exceeding the maximum length allowed will cause crash.
   // i.e.) m_fifoLength <= kMaxFIFOLength
-  EXPECT_DEATH(new PushPullFIFO(2, PushPullFIFO::kMaxFIFOLength + 1), "");
+  EXPECT_DEATH(new PushPullFIFO(2, PushPullFIFO::kMaxFIFOLength + 1,
+                                thread_id, *mock_audio_io_callback),
+               "");
 
   std::unique_ptr<PushPullFIFO> test_fifo =
-      WTF::WrapUnique(new PushPullFIFO(2, 1024));
+      WTF::WrapUnique(new PushPullFIFO(2, 1024, thread_id,
+                                       *mock_audio_io_callback));
 
   // The input bus length must be |AudioUtilities::kRenderQuantumFrames|.
   // i.e.) inputBus->length() == kRenderQuantumFrames
-  RefPtr<AudioBus> input_bus_of129_frames =
+  RefPtr<AudioBus> input_bus_129_frames =
       AudioBus::Create(2, AudioUtilities::kRenderQuantumFrames + 1);
-  EXPECT_DEATH(test_fifo->Push(input_bus_of129_frames.Get()), "");
-  RefPtr<AudioBus> input_bus_of127_frames =
+  EXPECT_DEATH(test_fifo->Push(input_bus_129_frames.Get()), "");
+  RefPtr<AudioBus> input_bus_127_frames =
       AudioBus::Create(2, AudioUtilities::kRenderQuantumFrames - 1);
-  EXPECT_DEATH(test_fifo->Push(input_bus_of127_frames.Get()), "");
+  EXPECT_DEATH(test_fifo->Push(input_bus_127_frames.Get()), "");
 
   // Pull request frames cannot exceed the length of output bus.
   // i.e.) framesRequested <= outputBus->length()
-  RefPtr<AudioBus> output_bus_of512_frames = AudioBus::Create(2, 512);
-  EXPECT_DEATH(test_fifo->Pull(output_bus_of512_frames.Get(), 513), "");
+  RefPtr<AudioBus> output_bus_512_frames = AudioBus::Create(2, 512);
+  EXPECT_DEATH(test_fifo->Pull(output_bus_512_frames.Get(), 513), "");
 
   // Pull request frames cannot exceed the length of FIFO.
   // i.e.) framesRequested <= m_fifoLength
-  RefPtr<AudioBus> output_bus_of1025_frames = AudioBus::Create(2, 1025);
-  EXPECT_DEATH(test_fifo->Pull(output_bus_of1025_frames.Get(), 1025), "");
+  RefPtr<AudioBus> output_bus_1025_frames = AudioBus::Create(2, 1025);
+  EXPECT_DEATH(test_fifo->Pull(output_bus_1025_frames.Get(), 1025), "");
 }
 
 // Fills each AudioChannel in an AudioBus with a series of linearly increasing
@@ -133,10 +150,13 @@ class PushPullFIFOFeatureTest : public ::testing::TestWithParam<FIFOTestParam> {
 TEST_P(PushPullFIFOFeatureTest, FeatureTests) {
   const FIFOTestSetup setup = GetParam().setup;
   const FIFOTestExpectedState expected_state = GetParam().expected_state;
+  const ThreadIdentifier thread_id = CurrentThread();
+  MockAudioIOCallback* mock_audio_io_callback = new MockAudioIOCallback();
 
   // Create a FIFO with a specified configuration.
   std::unique_ptr<PushPullFIFO> fifo = WTF::WrapUnique(
-      new PushPullFIFO(setup.number_of_channels, setup.fifo_length));
+      new PushPullFIFO(setup.number_of_channels, setup.fifo_length, thread_id,
+                       *mock_audio_io_callback));
 
   RefPtr<AudioBus> output_bus;
 
@@ -169,7 +189,9 @@ TEST_P(PushPullFIFOFeatureTest, FeatureTests) {
 
   // Verify in-FIFO samples.
   for (const auto& sample : expected_state.fifo_samples) {
-    EXPECT_TRUE(VerifyBusValueAtIndex(fifo->Bus(), sample.index, sample.value));
+    EXPECT_TRUE(VerifyBusValueAtIndex(fifo->GetFIFOBusForTest(),
+                                      sample.index,
+                                      sample.value));
   }
 
   // Verify samples from the most recent output bus.