Convert MediaLog from being ref counted to owned by WebMediaPlayer.

media/formats/webm/webm_content_encodings_client_unittest.cc

 // Copyright 2014 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/formats/webm/webm_content_encodings_client.h"
 
 #include <stdint.h>
 
 #include <string>
 
@@ skipping 33 matching lines @@
 }
 
 MATCHER_P(UnexpectedContentEncAlgo, algo, "") {
   return CONTAINS_STRING(
       arg, "Unexpected ContentEncAlgo " + base::IntToString(algo) + ".");
 }
 
 class WebMContentEncodingsClientTest : public testing::Test {
  public:
   WebMContentEncodingsClientTest()
-      : media_log_(new StrictMock<MockMediaLog>()),
-        client_(media_log_),
-        parser_(kWebMIdContentEncodings, &client_) {}
+      : client_(&media_log_), parser_(kWebMIdContentEncodings, &client_) {}
 
   void ParseAndExpectToFail(const uint8_t* buf, int size) {
     int result = parser_.Parse(buf, size);
     EXPECT_EQ(-1, result);
   }
 
  protected:
-  scoped_refptr<StrictMock<MockMediaLog>> media_log_;
+  StrictMock<MockMediaLog> media_log_;
   WebMContentEncodingsClient client_;
   WebMListParser parser_;
 };
 
 TEST_F(WebMContentEncodingsClientTest, EmptyContentEncodings) {
   const uint8_t kContentEncodings[] = {
       0x6D, 0x80, 0x80,  // ContentEncodings (size = 0)
   };
   int size = sizeof(kContentEncodings);
   EXPECT_MEDIA_LOG(MissingContentEncoding());
@@ skipping 200 matching lines @@
       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);
   EXPECT_MEDIA_LOG(UnexpectedContentEncAlgo(0xEE));
   ParseAndExpectToFail(kContentEncodings, size);
 }
 
 }  // namespace media