media: Make MediaKeys ref-counted.

media/base/android/media_drm_bridge_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 "base/android/build_info.h"
 #include "base/basictypes.h"
 #include "base/logging.h"
 #include "base/message_loop/message_loop.h"
 #include "media/base/android/media_drm_bridge.h"
 #include "testing/gtest/include/gtest/gtest.h"
@@ skipping 72 matching lines @@
 }
 
 // Invalid key system is NOT supported regardless whether MediaDrm is available.
 TEST(MediaDrmBridgeTest, CreateWithoutSessionSupport_InvalidKeySystem) {
   base::MessageLoop message_loop_;
   EXPECT_FALSE(MediaDrmBridge::CreateWithoutSessionSupport(kInvalidKeySystem));
 }
 
 TEST(MediaDrmBridgeTest, SetSecurityLevel_Widevine) {
   base::MessageLoop message_loop_;
-  scoped_ptr<MediaDrmBridge, BrowserCdmDeleter> media_drm_bridge =
+  scoped_refptr<MediaDrmBridge> media_drm_bridge =
       MediaDrmBridge::CreateWithoutSessionSupport(kWidevineKeySystem);
   EXPECT_TRUE_IF_WIDEVINE_AVAILABLE(media_drm_bridge);
   if (!media_drm_bridge)
     return;
 
   EXPECT_FALSE(media_drm_bridge->SetSecurityLevel(kLNone));
   // We test "L3" fully. But for "L1" we don't check the result as it depends on
   // whether the test device supports "L1".
   EXPECT_TRUE(media_drm_bridge->SetSecurityLevel(kL3));
   media_drm_bridge->SetSecurityLevel(kL1);
 }
 
 }  // namespace media