Encrypted Media: Allows empty key message to be fired.

media/crypto/aes_decryptor_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 <string>
 #include <vector>
 
 #include "base/basictypes.h"
 #include "base/bind.h"
 #include "media/base/decoder_buffer.h"
@@ skipping 298 matching lines @@
   }
 
   MockDecryptorClient client_;
   AesDecryptor decryptor_;
   std::string session_id_string_;
   AesDecryptor::DecryptCB decrypt_cb_;
   std::vector<SubsampleEntry> subsample_entries_;
 };
 
 TEST_F(AesDecryptorTest, GenerateKeyRequestWithNullInitData) {
-  EXPECT_FALSE(decryptor_.GenerateKeyRequest(kClearKeySystem, "", NULL, 0));
+  EXPECT_CALL(client_, KeyMessageMock(kClearKeySystem, StrNe(""),
+                                      IsNull(), 0, ""));
+  EXPECT_TRUE(decryptor_.GenerateKeyRequest(kClearKeySystem, "", NULL, 0));
 }
 
 TEST_F(AesDecryptorTest, NormalWebMDecryption) {
   const WebmEncryptedData& frame = kWebmEncryptedFrames[0];
   GenerateKeyRequest(frame.key_id, frame.key_id_size);
   AddKeyAndExpectToSucceed(frame.key_id, frame.key_id_size,
                            frame.key, frame.key_size);
   scoped_refptr<DecoderBuffer> encrypted_data =
       CreateWebMEncryptedBuffer(frame.encrypted_data,
                                 frame.encrypted_data_size,
@@ skipping 256 matching lines @@
   scoped_refptr<DecoderBuffer> encrypted_data = CreateSubsampleEncryptedBuffer(
       kSubsampleData, arraysize(kSubsampleData),
       kSubsampleKeyId, arraysize(kSubsampleKeyId),
       kSubsampleIv, arraysize(kSubsampleIv),
       0,
       entries);
   ASSERT_NO_FATAL_FAILURE(DecryptAndExpectToFail(encrypted_data));
 }
 
 }  // namespace media