Render inband text tracks in the media pipeline

media/base/mock_filters.h

Index: media/base/mock_filters.h
diff --git a/media/base/mock_filters.h b/media/base/mock_filters.h
index fb5e8a0dfd86aaa86d85fbed65f6676a5cd24407..95685e5ab7549006199ef56f5bbaeca44e9c6ab7 100644
--- a/media/base/mock_filters.h
+++ b/media/base/mock_filters.h
@@ -16,6 +16,8 @@
 #include "media/base/demuxer.h"
 #include "media/base/filter_collection.h"
 #include "media/base/pipeline_status.h"
+#include "media/base/text_decoder.h"
+#include "media/base/text_renderer.h"
 #include "media/base/video_decoder.h"
 #include "media/base/video_decoder_config.h"
 #include "media/base/video_frame.h"
@@ -102,6 +104,18 @@ class MockAudioDecoder : public AudioDecoder {
   DISALLOW_COPY_AND_ASSIGN(MockAudioDecoder);
 };
 
+class MockTextDecoder : public TextDecoder {
+ public:
+  MockTextDecoder();
+  virtual ~MockTextDecoder();
+
+  // TextDecoder implementation.
+  MOCK_METHOD1(Initialize, void(Demuxer* demuxer));
+
+ private:
+  DISALLOW_COPY_AND_ASSIGN(MockTextDecoder);
+};
+
 class MockVideoRenderer : public VideoRenderer {
  public:
   MockVideoRenderer();
@@ -155,6 +169,23 @@ class MockAudioRenderer : public AudioRenderer {
   DISALLOW_COPY_AND_ASSIGN(MockAudioRenderer);
 };
 
+class MockTextRenderer : public TextRenderer {
+ public:
+  MockTextRenderer();
+  virtual ~MockTextRenderer();
+
+  // TextRenderer implementation.
+  MOCK_METHOD3(Initialize, void(Demuxer* demuxer,
+                                const PipelineStatusCB& init_cb,
+                                const base::Closure& ended_cb));
+  MOCK_METHOD1(Play, void(const base::Closure& callback));
+  MOCK_METHOD1(Pause, void(const base::Closure& callback));
+  MOCK_METHOD1(Stop, void(const base::Closure& callback));
+
+ private:
+  DISALLOW_COPY_AND_ASSIGN(MockTextRenderer);
+};
+
 class MockDecryptor : public Decryptor {
  public:
   MockDecryptor();