Update MediaRecorderHandler to use AudioTrackRecorder

content/shell/renderer/layout_test/blink_test_runner.cc

Index: content/shell/renderer/layout_test/blink_test_runner.cc
diff --git a/content/shell/renderer/layout_test/blink_test_runner.cc b/content/shell/renderer/layout_test/blink_test_runner.cc
index 45f129e085b9bd2431f7f9e91ee0b2f5f25a15ca..ddd9896ef13d7689aa91b9be7c0f77f142e848e3 100644
--- a/content/shell/renderer/layout_test/blink_test_runner.cc
+++ b/content/shell/renderer/layout_test/blink_test_runner.cc
@@ -47,6 +47,7 @@
 #include "content/shell/renderer/layout_test/blink_test_helpers.h"
 #include "content/shell/renderer/layout_test/layout_test_render_process_observer.h"
 #include "content/shell/renderer/layout_test/leak_detector.h"
+#include "media/audio/audio_parameters.h"
 #include "net/base/filename_util.h"
 #include "net/base/net_errors.h"
 #include "skia/ext/platform_canvas.h"
@@ -239,6 +240,26 @@ class MockVideoCapturerSource : public media::VideoCapturerSource {
   void StopCapture() override {}
 };
 
+class MockAudioCapturerSource : public media::AudioCapturerSource {
+ public:
+  MockAudioCapturerSource() = default;
+
+  void Initialize(const media::AudioParameters& params,
+                  CaptureCallback* callback,
+                  int session_id) override {
+    // audio_params_ = params;

[mcasas, 2015/11/10 18:18:59]

clean.

[ajose, 2015/11/18 00:11:52]

Done.

+    LOG(INFO) << "params:";
+    LOG(INFO) << "params.AsHumanReadableString()";

[mcasas, 2015/11/10 18:18:59]

Sure you don't mean:
LOG(INFO) << "params: " << params.AsHumanReadableString();
?

[ajose, 2015/11/18 00:11:52]

Done.

+  }
+  void Start() override {}
+  void Stop() override {}
+  void SetVolume(double volume) override {}
+  void SetAutomaticGainControl(bool enable) override {}
+
+ protected:
+  ~MockAudioCapturerSource() override {}
+};
+
 }  // namespace
 
 BlinkTestRunner::BlinkTestRunner(RenderView* render_view)
@@ -743,14 +764,26 @@ void BlinkTestRunner::OnWebTestProxyBaseDestroy(
     test_runner::WebTestProxyBase* proxy) {
 }
 
-bool BlinkTestRunner::AddMediaStreamSourceAndTrack(
+bool BlinkTestRunner::AddMediaStreamVideoSourceAndTrack(
     blink::WebMediaStream* stream) {
   DCHECK(stream);
 #if defined(ENABLE_WEBRTC)
   return AddVideoTrackToMediaStream(
-      make_scoped_ptr(new MockVideoCapturerSource()),
-      false /* is_remote */,
-      false /* is_readonly */,
+      make_scoped_ptr(new MockVideoCapturerSource()), false /* is_remote */,
+      false /* is_readonly */, stream);
+#else
+  return false;
+#endif
+}
+
+bool BlinkTestRunner::AddMediaStreamAudioSourceAndTrack(
+    blink::WebMediaStream* stream) {
+  DCHECK(stream);
+#if defined(ENABLE_WEBRTC)
+  return AddAudioTrackToMediaStream(
+      make_scoped_refptr(new MockAudioCapturerSource()),
+      // media::AudioParameters(),

[mcasas, 2015/11/10 18:18:59]

Clean up this plz.

[ajose, 2015/11/18 00:11:52]

Done.

+      false /* is_remote */, true,  // ??? false /* is_readonly */,
       stream);
 #else
   return false;