Reland r210741 "Separate DemuxerStream and VideoDecoder."

media/base/test_helpers.h

Index: media/base/test_helpers.h
diff --git a/media/base/test_helpers.h b/media/base/test_helpers.h
index a7eb8f53144f381997a727efc9a837615fca73ee..872d08d6f8de2b0ae0247e279c0c3e018879e9dd 100644
--- a/media/base/test_helpers.h
+++ b/media/base/test_helpers.h
@@ -21,6 +21,7 @@ class TimeDelta;
 namespace media {
 
 class AudioBuffer;
+class DecoderBuffer;
 
 // Return a callback that expects to be run once.
 base::Closure NewExpectedClosure();
@@ -130,6 +131,18 @@ scoped_refptr<AudioBuffer> MakePlanarAudioBuffer(
     base::TimeDelta start_time,
     base::TimeDelta duration);
 
+// Create a fake video DecoderBuffer for testing purpose. The buffer contains
+// part of video decoder config info embedded so that the testing code can do
+// some sanity check.
+scoped_refptr<DecoderBuffer> CreateFakeVideoBufferForTest(
+    const VideoDecoderConfig& config,
+    base::TimeDelta timestamp,
+    base::TimeDelta duration);
+
+// Verify if a fake video DecoderBuffer is valid.
+bool VerifyFakeVideoBufferForTest(const scoped_refptr<DecoderBuffer>& buffer,
+                                  const VideoDecoderConfig& config);
+
 }  // namespace media
 
 #endif  // MEDIA_BASE_TEST_HELPERS_H_