Log MediaSource parsing errors to the MediaLog so they can appear in chrome:media-internals.

media/webm/webm_content_encodings_client_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 "base/bind.h"
 #include "media/webm/webm_constants.h"
 #include "media/webm/webm_content_encodings_client.h"
 #include "media/webm/webm_parser.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace media {
 
 class WebMContentEncodingsClientTest : public testing::Test {
  public:
   WebMContentEncodingsClientTest()
-      : parser_(kWebMIdContentEncodings, &client_) {}
+      : client_(LogCB()),
+        parser_(kWebMIdContentEncodings, &client_) {}
 
   void ParseAndExpectToFail(const uint8* buf, int size) {
     int result = parser_.Parse(buf, size);
     EXPECT_EQ(-1, result);
   }
 
  protected:
   WebMContentEncodingsClient client_;
   WebMListParser parser_;
 };
@@ skipping 201 matching lines @@
     0x50, 0x35, 0x8F,        //     ContentEncryption (size = 15)
     0x47, 0xE1, 0x81, 0xEE,  //       ContentEncAlgo (size = 1), invalid
     0x47, 0xE2, 0x88,        //       ContentEncKeyID (size = 8)
     0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA,
   };
   int size = sizeof(kContentEncodings);
   ParseAndExpectToFail(kContentEncodings, size);
 }
 
 }  // namespace media