Audio output debug recording.

content/browser/renderer_host/media/audio_debug_file_writer_unittest.cc

Index: content/browser/renderer_host/media/audio_debug_file_writer_unittest.cc
diff --git a/content/browser/renderer_host/media/audio_debug_file_writer_unittest.cc b/content/browser/renderer_host/media/audio_debug_file_writer_unittest.cc
index 4ececd04cd85c127731d9a3b81d04132a726a036..8d04869922fca3e75763220591baf8002c149f53 100644
--- a/content/browser/renderer_host/media/audio_debug_file_writer_unittest.cc
+++ b/content/browser/renderer_host/media/audio_debug_file_writer_unittest.cc
@@ -12,6 +12,7 @@
 #include "content/public/browser/browser_thread.h"
 #include "content/public/test/test_browser_thread_bundle.h"
 #include "media/base/audio_bus.h"
+#include "media/base/audio_sample_types.h"
 #include "media/base/test_helpers.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
@@ -165,12 +166,12 @@ class AudioDebugFileWriterTest
       std::unique_ptr<media::AudioBus> bus = media::AudioBus::Create(
           params_.channels(), params_.frames_per_buffer());
 
-      bus->FromInterleaved(
+      bus->FromInterleaved<media::SignedInt16SampleTypeTraits>(
           source_interleaved_.get() +
               i * params_.channels() * params_.frames_per_buffer(),
-          params_.frames_per_buffer(), kBytesPerSample);
+          params_.frames_per_buffer());
 
-      input_debug_writer_->Write(std::move(bus));
+      debug_writer_->Write(std::move(bus));
     }
   }
 
@@ -192,11 +193,11 @@ class AudioDebugFileWriterTest
     base::FilePath file_path;
     EXPECT_TRUE(base::CreateTemporaryFile(&file_path));
 
-    input_debug_writer_->Start(file_path);
+    debug_writer_->Start(file_path);
 
     DoDebugRecording();
 
-    input_debug_writer_->Stop();
+    debug_writer_->Stop();
 
     WaitForRecordingCompletion();
 
@@ -214,7 +215,7 @@ class AudioDebugFileWriterTest
   TestBrowserThreadBundle thread_bundle_;
 
   // Writer under test.
-  std::unique_ptr<AudioDebugFileWriter> input_debug_writer_;
+  std::unique_ptr<AudioDebugFileWriter> debug_writer_;
 
   // AudioBus parameters.
   media::AudioParameters params_;
@@ -235,14 +236,19 @@ class AudioDebugFileWriterTest
 class AudioDebugFileWriterBehavioralTest : public AudioDebugFileWriterTest {};
 
 TEST_P(AudioDebugFileWriterTest, WaveRecordingTest) {
-  input_debug_writer_.reset(new AudioDebugFileWriter(params_));
-
+  debug_writer_.reset(new AudioDebugFileWriter(params_));
   RecordAndVerifyOnce();
 }
 
+TEST_P(AudioDebugFileWriterTest, GetFileNameExtension) {
+  debug_writer_.reset(new AudioDebugFileWriter(params_));
+  EXPECT_EQ(FILE_PATH_LITERAL("wav"),
+            base::FilePath::StringType(debug_writer_->GetFileNameExtension()));
+}
+
 TEST_P(AudioDebugFileWriterBehavioralTest,
        DeletedBeforeRecordingFinishedOnFileThread) {
-  input_debug_writer_.reset(new AudioDebugFileWriter(params_));
+  debug_writer_.reset(new AudioDebugFileWriter(params_));
 
   base::FilePath file_path;
   EXPECT_TRUE(base::CreateTemporaryFile(&file_path));
@@ -255,11 +261,11 @@ TEST_P(AudioDebugFileWriterBehavioralTest,
       BrowserThread::FILE, FROM_HERE,
       base::Bind(&base::WaitableEvent::Wait, base::Owned(wait_for_deletion)));
 
-  input_debug_writer_->Start(file_path);
+  debug_writer_->Start(file_path);
 
   DoDebugRecording();
 
-  input_debug_writer_.reset();
+  debug_writer_.reset();
   wait_for_deletion->Signal();
 
   WaitForRecordingCompletion();
@@ -275,29 +281,29 @@ TEST_P(AudioDebugFileWriterBehavioralTest,
 }
 
 TEST_P(AudioDebugFileWriterBehavioralTest, FileCreationError) {
-  input_debug_writer_.reset(new AudioDebugFileWriter(params_));
+  debug_writer_.reset(new AudioDebugFileWriter(params_));
   base::FilePath file_path;  // Empty file name.
-  input_debug_writer_->Start(file_path);
+  debug_writer_->Start(file_path);
   DoDebugRecording();
 }
 
 TEST_P(AudioDebugFileWriterBehavioralTest, StartStopStartStop) {
-  input_debug_writer_.reset(new AudioDebugFileWriter(params_));
+  debug_writer_.reset(new AudioDebugFileWriter(params_));
   RecordAndVerifyOnce();
   RecordAndVerifyOnce();
 }
 
 TEST_P(AudioDebugFileWriterBehavioralTest, DestroyNotStarted) {
-  input_debug_writer_.reset(new AudioDebugFileWriter(params_));
-  input_debug_writer_.reset();
+  debug_writer_.reset(new AudioDebugFileWriter(params_));
+  debug_writer_.reset();
 }
 
 TEST_P(AudioDebugFileWriterBehavioralTest, DestroyStarted) {
-  input_debug_writer_.reset(new AudioDebugFileWriter(params_));
+  debug_writer_.reset(new AudioDebugFileWriter(params_));
   base::FilePath file_path;
   EXPECT_TRUE(base::CreateTemporaryFile(&file_path));
-  input_debug_writer_->Start(file_path);
-  input_debug_writer_.reset();
+  debug_writer_->Start(file_path);
+  debug_writer_.reset();
 }
 
 INSTANTIATE_TEST_CASE_P(