Remove the checksum/HMAC code from the decryptor.

media/filters/pipeline_integration_test.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 "media/filters/pipeline_integration_test_base.h"
 
 #include "base/bind.h"
 #include "base/string_util.h"
 #include "media/base/decoder_buffer.h"
 #include "media/base/decryptor_client.h"
@@ skipping 344 matching lines @@
 }
 #endif
 
 TEST_F(PipelineIntegrationTest, BasicPlayback_16x9AspectRatio) {
   ASSERT_TRUE(Start(GetTestDataURL("bear-320x240-16x9-aspect.webm"),
                     PIPELINE_OK));
   Play();
   ASSERT_TRUE(WaitUntilOnEnded());
 }
 
-// TODO(fgalligan): Enable after HMAC has been removed. http://crbug.com/150014
-TEST_F(PipelineIntegrationTest, DISABLED_EncryptedPlayback) {
+TEST_F(PipelineIntegrationTest, EncryptedPlayback) {
   MockMediaSource source("bear-320x240-encrypted.webm", kWebM, 219816);
   FakeDecryptorClient encrypted_media;
   StartPipelineWithEncryptedMedia(&source, &encrypted_media);
 
   source.EndOfStream();
   ASSERT_EQ(PIPELINE_OK, pipeline_status_);
 
   Play();
 
   ASSERT_TRUE(WaitUntilOnEnded());
@@ skipping 57 matching lines @@
 // Verify video decoder & renderer can handle aborted demuxer reads.
 TEST_F(PipelineIntegrationTest, ChunkDemuxerAbortRead_VideoOnly) {
   ASSERT_TRUE(TestSeekDuringRead("bear-320x240-video-only.webm", kVideoOnlyWebM,
                                  32768,
                                  base::TimeDelta::FromMilliseconds(200),
                                  base::TimeDelta::FromMilliseconds(1668),
                                  0x1C896, 65536));
 }
 
 }  // namespace media