Move AudioDebugFileWriter from content/ to media/.

media/audio/audio_debug_file_writer_unittest.cc

Index: media/audio/audio_debug_file_writer_unittest.cc
diff --git a/content/browser/renderer_host/media/audio_debug_file_writer_unittest.cc b/media/audio/audio_debug_file_writer_unittest.cc
similarity index 85%
rename from content/browser/renderer_host/media/audio_debug_file_writer_unittest.cc
rename to media/audio/audio_debug_file_writer_unittest.cc
index 4ececd04cd85c127731d9a3b81d04132a726a036..c7b8905ca55c5816018b4a788dd049ea664d1c9d 100644
--- a/content/browser/renderer_host/media/audio_debug_file_writer_unittest.cc
+++ b/media/audio/audio_debug_file_writer_unittest.cc
@@ -4,18 +4,19 @@
 
 #include <stdint.h>
 
+#include "base/bind.h"
 #include "base/files/file_util.h"
 #include "base/memory/ptr_util.h"
+#include "base/message_loop/message_loop.h"
 #include "base/synchronization/waitable_event.h"
 #include "base/sys_byteorder.h"
-#include "content/browser/renderer_host/media/audio_debug_file_writer.h"
-#include "content/public/browser/browser_thread.h"
-#include "content/public/test/test_browser_thread_bundle.h"
+#include "base/threading/thread.h"
+#include "media/audio/audio_debug_file_writer.h"
 #include "media/base/audio_bus.h"
 #include "media/base/test_helpers.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
-namespace content {
+namespace media {
 
 namespace {
 
@@ -43,7 +44,7 @@ class AudioDebugFileWriterTest
     : public testing::TestWithParam<AudioDebugFileWriterTestData> {
  public:
   AudioDebugFileWriterTest()
-      : thread_bundle_(content::TestBrowserThreadBundle::REAL_FILE_THREAD),
+      : file_thread_("FileThread"),
         params_(media::AudioParameters::Format::AUDIO_PCM_LINEAR,
                 std::tr1::get<0>(GetParam()),
                 std::tr1::get<1>(GetParam()),
@@ -54,11 +55,12 @@ class AudioDebugFileWriterTest
                         writes_),
         source_interleaved_(source_samples_ ? new int16_t[source_samples_]
                                             : nullptr) {
+    file_thread_.StartAndWaitForTesting();
     InitSourceInterleaved(source_interleaved_.get(), source_samples_);
   }
 
  protected:
-  virtual ~AudioDebugFileWriterTest() {}
+  virtual ~AudioDebugFileWriterTest() { file_thread_.Stop(); }
 
   static void InitSourceInterleaved(int16_t* source_interleaved,
                                     int source_samples) {
@@ -71,7 +73,7 @@ class AudioDebugFileWriterTest
     }
   }
 
-  static void VerifyHeader(const char(&wav_header)[kWavHeaderSize],
+  static void VerifyHeader(const char (&wav_header)[kWavHeaderSize],
                            const media::AudioParameters& params,
                            int writes,
                            int64_t file_length) {
@@ -154,7 +156,7 @@ class AudioDebugFileWriterTest
   }
 
   void TestDoneOnFileThread(const base::Closure& callback) {
-    DCHECK_CURRENTLY_ON(BrowserThread::FILE);
+    DCHECK(file_thread_.task_runner()->BelongsToCurrentThread());
 
     callback.Run();
   }
@@ -170,19 +172,17 @@ class AudioDebugFileWriterTest
               i * params_.channels() * params_.frames_per_buffer(),
           params_.frames_per_buffer(), kBytesPerSample);
 
-      input_debug_writer_->Write(std::move(bus));
+      debug_writer_->Write(std::move(bus));
     }
   }
 
   void WaitForRecordingCompletion() {
     media::WaitableMessageLoopEvent event;
 
-    // Post a task to BrowserThread::FILE indicating that all the writes are
-    // done.
-    BrowserThread::PostTask(
-        BrowserThread::FILE, FROM_HERE,
-        base::Bind(&AudioDebugFileWriterTest::TestDoneOnFileThread,
-                   base::Unretained(this), event.GetClosure()));
+    // Post a task to the file thread indicating that all the writes are done.
+    file_thread_.task_runner()->PostTask(
+        FROM_HERE, base::Bind(&AudioDebugFileWriterTest::TestDoneOnFileThread,
+                              base::Unretained(this), event.GetClosure()));
 
     // Wait for TestDoneOnFileThread() to call event's closure.
     event.RunAndWait();
@@ -192,11 +192,11 @@ 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();
 
@@ -211,10 +211,11 @@ class AudioDebugFileWriterTest
   }
 
  protected:
-  TestBrowserThreadBundle thread_bundle_;
+  base::Thread file_thread_;
+  base::MessageLoop message_loop_;
 
   // Writer under test.
-  std::unique_ptr<AudioDebugFileWriter> input_debug_writer_;
+  std::unique_ptr<AudioDebugFileWriter> debug_writer_;
 
   // AudioBus parameters.
   media::AudioParameters params_;
@@ -235,14 +236,16 @@ class AudioDebugFileWriterTest
 class AudioDebugFileWriterBehavioralTest : public AudioDebugFileWriterTest {};
 
 TEST_P(AudioDebugFileWriterTest, WaveRecordingTest) {
-  input_debug_writer_.reset(new AudioDebugFileWriter(params_));
+  debug_writer_.reset(
+      new AudioDebugFileWriter(params_, file_thread_.task_runner()));
 
   RecordAndVerifyOnce();
 }
 
 TEST_P(AudioDebugFileWriterBehavioralTest,
        DeletedBeforeRecordingFinishedOnFileThread) {
-  input_debug_writer_.reset(new AudioDebugFileWriter(params_));
+  debug_writer_.reset(
+      new AudioDebugFileWriter(params_, file_thread_.task_runner()));
 
   base::FilePath file_path;
   EXPECT_TRUE(base::CreateTemporaryFile(&file_path));
@@ -251,15 +254,15 @@ TEST_P(AudioDebugFileWriterBehavioralTest,
       new base::WaitableEvent(base::WaitableEvent::ResetPolicy::MANUAL,
                               base::WaitableEvent::InitialState::NOT_SIGNALED);
 
-  BrowserThread::PostTask(
-      BrowserThread::FILE, FROM_HERE,
+  file_thread_.task_runner()->PostTask(
+      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 +278,33 @@ TEST_P(AudioDebugFileWriterBehavioralTest,
 }
 
 TEST_P(AudioDebugFileWriterBehavioralTest, FileCreationError) {
-  input_debug_writer_.reset(new AudioDebugFileWriter(params_));
+  debug_writer_.reset(
+      new AudioDebugFileWriter(params_, file_thread_.task_runner()));
   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_, file_thread_.task_runner()));
   RecordAndVerifyOnce();
   RecordAndVerifyOnce();
 }
 
 TEST_P(AudioDebugFileWriterBehavioralTest, DestroyNotStarted) {
-  input_debug_writer_.reset(new AudioDebugFileWriter(params_));
-  input_debug_writer_.reset();
+  debug_writer_.reset(
+      new AudioDebugFileWriter(params_, file_thread_.task_runner()));
+  debug_writer_.reset();
 }
 
 TEST_P(AudioDebugFileWriterBehavioralTest, DestroyStarted) {
-  input_debug_writer_.reset(new AudioDebugFileWriter(params_));
+  debug_writer_.reset(
+      new AudioDebugFileWriter(params_, file_thread_.task_runner()));
   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(
@@ -347,4 +354,4 @@ INSTANTIATE_TEST_CASE_P(
                              44100 / 100,
                              100)));
 
-}  // namespace content
+}  // namespace media