Create abstract interface for media::Pipeline.

media/test/pipeline_integration_test_base.cc

Index: media/test/pipeline_integration_test_base.cc
diff --git a/media/test/pipeline_integration_test_base.cc b/media/test/pipeline_integration_test_base.cc
index a2e4254dc91eabe7442606167800fb1b12908ad0..380b056557d48e69316f1ee93a5fbf5582f56e02 100644
--- a/media/test/pipeline_integration_test_base.cc
+++ b/media/test/pipeline_integration_test_base.cc
@@ -41,7 +41,7 @@ const char kNullAudioHash[] = "0.00,0.00,0.00,0.00,0.00,0.00,";
 PipelineIntegrationTestBase::PipelineIntegrationTestBase()
     : hashing_enabled_(false),
       clockless_playback_(false),
-      pipeline_(new Pipeline(message_loop_.task_runner(), new MediaLog())),
+      pipeline_(new PipelineImpl(message_loop_.task_runner(), new MediaLog())),
       ended_(false),
       pipeline_status_(PIPELINE_OK),
       last_video_frame_format_(PIXEL_FORMAT_UNKNOWN),
@@ -131,8 +131,9 @@ PipelineStatus PipelineIntegrationTestBase::Start(const std::string& filename,
   // media files are provided in advance.
   EXPECT_CALL(*this, OnWaitingForDecryptionKey()).Times(0);
 
+  scoped_ptr<Renderer> renderer = CreateRenderer();
   pipeline_->Start(
-      demuxer_.get(), CreateRenderer(),
+      demuxer_.get(), &renderer,
       base::Bind(&PipelineIntegrationTestBase::OnEnded, base::Unretained(this)),
       base::Bind(&PipelineIntegrationTestBase::OnError, base::Unretained(this)),
       base::Bind(&PipelineIntegrationTestBase::OnStatusCallback,
@@ -187,7 +188,8 @@ bool PipelineIntegrationTestBase::Resume(base::TimeDelta seek_time) {
 
   EXPECT_CALL(*this, OnBufferingStateChanged(BUFFERING_HAVE_ENOUGH))
       .WillOnce(InvokeWithoutArgs(&message_loop_, &base::MessageLoop::QuitNow));
-  pipeline_->Resume(CreateRenderer(), seek_time,
+  scoped_ptr<Renderer> renderer = CreateRenderer();
+  pipeline_->Resume(&renderer, seek_time,
                     base::Bind(&PipelineIntegrationTestBase::OnSeeked,
                                base::Unretained(this), seek_time));
   message_loop_.Run();