MediaLog: Log selected audio/video decoder name.

media/filters/pipeline_integration_test_base.cc

Index: media/filters/pipeline_integration_test_base.cc
diff --git a/media/filters/pipeline_integration_test_base.cc b/media/filters/pipeline_integration_test_base.cc
index 7251adfe9519bc985ab716c187068d67a9efd1be..81c7a9c6fcc01361858f566364897b99d1a42198 100644
--- a/media/filters/pipeline_integration_test_base.cc
+++ b/media/filters/pipeline_integration_test_base.cc
@@ -28,6 +28,8 @@ namespace media {
 const char kNullVideoHash[] = "d41d8cd98f00b204e9800998ecf8427e";
 const char kNullAudioHash[] = "0.00,0.00,0.00,0.00,0.00,0.00,";
 
+static void LogFunc(const std::string& str) { DVLOG(1) << str; }
+
 PipelineIntegrationTestBase::PipelineIntegrationTestBase()
     : hashing_enabled_(false),
       clockless_playback_(false),
@@ -256,7 +258,8 @@ scoped_ptr<Renderer> PipelineIntegrationTestBase::CreateRenderer(
                  decryptor),
       base::Bind(&PipelineIntegrationTestBase::OnVideoRendererPaint,
                  base::Unretained(this)),
-      false));
+      false,
+      base::Bind(&LogFunc)));
 
   if (!clockless_playback_) {
     audio_sink_ = new NullAudioSink(message_loop_.message_loop_proxy());
@@ -286,7 +289,8 @@ scoped_ptr<Renderer> PipelineIntegrationTestBase::CreateRenderer(
       base::Bind(&PipelineIntegrationTestBase::SetDecryptor,
                  base::Unretained(this),
                  decryptor),
-      hardware_config_));
+      hardware_config_,
+      base::Bind(&LogFunc)));
   if (hashing_enabled_)
     audio_sink_->StartAudioHashForTesting();