Fix MP4StreamParser discard behavior when retaining 'moof'.

media/mp4/mp4_stream_parser_unittest.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include <algorithm>
 #include <string>
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/logging.h"
@@ skipping 102 matching lines @@
     InitializeParser();
 
     scoped_refptr<DecoderBuffer> buffer = ReadTestDataFile(filename);
     EXPECT_TRUE(AppendDataInPieces(buffer->GetData(),
                                    buffer->GetDataSize(),
                                    append_bytes));
     return true;
   }
 };
 
-
-
 TEST_F(MP4StreamParserTest, TestUnalignedAppend) {
   // Test small, non-segment-aligned appends (small enough to exercise
   // incremental append system)
   ParseMP4File("bear.1280x720_dash.mp4", 512);
 }
 
+TEST_F(MP4StreamParserTest, TestBytewiseAppend) {
+  // Ensure no incremental errors occur when parsing
+  ParseMP4File("bear.1280x720_dash.mp4", 1);
+}
+
 TEST_F(MP4StreamParserTest, TestMultiFragmentAppend) {
   // Large size ensures multiple fragments are appended in one call (size is
   // larger than this particular test file)
   ParseMP4File("bear.1280x720_dash.mp4", 768432);
 }
 
 TEST_F(MP4StreamParserTest, TestReinitialization) {
   InitializeParser();
 
   scoped_refptr<DecoderBuffer> buffer =
       ReadTestDataFile("bear.1280x720_dash.mp4");
   EXPECT_TRUE(AppendDataInPieces(buffer->GetData(),
                                  buffer->GetDataSize(),
                                  512));
   EXPECT_TRUE(AppendDataInPieces(buffer->GetData(),
                                  buffer->GetDataSize(),
                                  512));
 }
 
+// TODO(strobe): Create and test media which uses CENC auxiliary info stored
+// inside a private box
+
 }  // namespace mp4
 }  // namespace media