Use scoped_ptr::Pass instead of scoped_ptr::PassAs<T>.

content/renderer/media/crypto/content_decryption_module_factory.cc

Index: content/renderer/media/crypto/content_decryption_module_factory.cc
diff --git a/content/renderer/media/crypto/content_decryption_module_factory.cc b/content/renderer/media/crypto/content_decryption_module_factory.cc
index 07302388d4531768fc42444d0c7efd7bd68c2970..45db511c5247d5d3df2e8bb596a1e9fa41c4fdc7 100644
--- a/content/renderer/media/crypto/content_decryption_module_factory.cc
+++ b/content/renderer/media/crypto/content_decryption_module_factory.cc
@@ -70,9 +70,9 @@ scoped_ptr<media::MediaKeys> ContentDecryptionModuleFactory::Create(
                              session_expiration_update_cb);
   if (proxy_media_keys)
     *cdm_id = proxy_media_keys->GetCdmId();
-  return proxy_media_keys.PassAs<media::MediaKeys>();
+  return proxy_media_keys.Pass();
 #else
-  return scoped_ptr<media::MediaKeys>();
+  return nullptr;
 #endif  // defined(ENABLE_PEPPER_CDMS)
 }