Render inband text tracks in the media pipeline

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 ade9ad6d97482b798c35d07bff9099f2a0144f9e..f095fba7c372aa316bf42f2e468bc4b3bacbbb9b 100644
--- a/media/filters/pipeline_integration_test_base.h
+++ b/media/filters/pipeline_integration_test_base.h
@@ -5,6 +5,8 @@
 #ifndef MEDIA_FILTERS_PIPELINE_INTEGRATION_TEST_BASE_H_
 #define MEDIA_FILTERS_PIPELINE_INTEGRATION_TEST_BASE_H_
 
+#include <set>
+
 #include "base/md5.h"
 #include "base/message_loop/message_loop.h"
 #include "media/audio/clockless_audio_sink.h"
@@ -12,6 +14,7 @@
 #include "media/base/filter_collection.h"
 #include "media/base/media_keys.h"
 #include "media/base/pipeline.h"
+#include "media/base/text_track.h"
 #include "media/base/video_frame.h"
 #include "media/filters/video_renderer_base.h"
 #include "testing/gmock/include/gmock/gmock.h"
@@ -24,6 +27,7 @@ namespace media {
 
 class Decryptor;
 class Demuxer;
+class TextBuffer;
 
 // Empty MD5 hash string.  Used to verify empty video tracks.
 extern const char kNullVideoHash[];
@@ -98,6 +102,9 @@ class PipelineIntegrationTestBase {
   NeedKeyCB need_key_cb_;
   VideoFrame::Format last_video_frame_format_;
 
+  typedef std::set<int> TextTracks;
+  TextTracks ffmpeg_text_tracks_;
+
   void OnStatusCallbackChecked(PipelineStatus expected_status,
                                PipelineStatus status);
   void OnStatusCallback(PipelineStatus status);
@@ -107,6 +114,10 @@ class PipelineIntegrationTestBase {
     void set_need_key_cb(const NeedKeyCB& need_key_cb) {
     need_key_cb_ = need_key_cb;
   }
+  void OnFFmpegTextTrackCB(media::TextKind kind,
+                           const std::string& label,
+                           const std::string& language,
+                           int index);
 
   void OnEnded();
   void OnError(PipelineStatus status);
@@ -117,6 +128,8 @@ class PipelineIntegrationTestBase {
   void SetDecryptor(Decryptor* decryptor,
                     const DecryptorReadyCB& decryptor_ready_cb);
   void OnVideoRendererPaint(const scoped_refptr<VideoFrame>& frame);
+  void OnCueReady(int index,
+                  const scoped_refptr<media::TextBuffer>& text_buffer);
 
   MOCK_METHOD1(OnSetOpaque, void(bool));
   MOCK_METHOD1(OnBufferingState, void(Pipeline::BufferingState));