Enable PipelineIntegrationTests in mojo!

media/filters/pipeline_integration_test_base.h

Index: media/filters/pipeline_integration_test_base.h
diff --git a/media/filters/pipeline_integration_test_base.h b/media/filters/pipeline_integration_test_base.h
index 1c8b5d6bcfc870cbc7646543f30ca1bde3fc78c6..4a85465b44394d063a605556ad02939acfab72c5 100644
--- a/media/filters/pipeline_integration_test_base.h
+++ b/media/filters/pipeline_integration_test_base.h
@@ -59,6 +59,8 @@ class PipelineIntegrationTestBase {
   PipelineIntegrationTestBase();
   virtual ~PipelineIntegrationTestBase();
 
+  void Initialize(base::MessageLoop* message_loop);
+
   bool WaitUntilOnEnded();
   PipelineStatus WaitUntilEndedOrError();
 
@@ -96,7 +98,7 @@ class PipelineIntegrationTestBase {
   base::TimeDelta GetAudioTime();
 
  protected:
-  base::MessageLoop message_loop_;
+  base::MessageLoop* message_loop_;
   base::MD5Context md5_context_;
   bool hashing_enabled_;
   bool clockless_playback_;
@@ -130,7 +132,7 @@ class PipelineIntegrationTestBase {
   void CreateDemuxer(const std::string& filename);
 
   // Creates and returns a Renderer.
-  scoped_ptr<Renderer> CreateRenderer();
+  virtual scoped_ptr<Renderer> CreateRenderer();
 
   void OnVideoFramePaint(const scoped_refptr<VideoFrame>& frame);