Convert Pass()→std::move() in //media

media/cdm/aes_decryptor_unittest.cc

Index: media/cdm/aes_decryptor_unittest.cc
diff --git a/media/cdm/aes_decryptor_unittest.cc b/media/cdm/aes_decryptor_unittest.cc
index 90172fd91bc1c142f2f2944791e77959915f3e9d..82338be6a6ab7e59575a5ef88db6e1f2006319d0 100644
--- a/media/cdm/aes_decryptor_unittest.cc
+++ b/media/cdm/aes_decryptor_unittest.cc
@@ -301,7 +301,7 @@ class AesDecryptorTest : public testing::TestWithParam<std::string> {
                                  base::Bind(&AesDecryptorTest::OnReject,
                                             base::Unretained(this),
                                             expected_result)));
-    return promise.Pass();
+    return promise;
   }
 
   scoped_ptr<NewSessionCdmPromise> CreateSessionPromise(
@@ -314,7 +314,7 @@ class AesDecryptorTest : public testing::TestWithParam<std::string> {
             base::Bind(&AesDecryptorTest::OnReject,
                        base::Unretained(this),
                        expected_result)));
-    return promise.Pass();
+    return promise;
   }
 
   // Creates a new session using |key_id|. Returns the session ID.