Fix ManufacturerData and ServiceData DBus data type to match with bluez.

device/bluetooth/bluez/bluetooth_advertisement_bluez_unittest.cc

 // Copyright 2015 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 "device/bluetooth/bluez/bluetooth_advertisement_bluez.h"
 
 #include <memory>
 #include <vector>
 
 #include "base/bind.h"
@@ skipping 216 matching lines @@
   scoped_refptr<BluetoothAdvertisement> current_advertisement;
   for (size_t i = 0; i < kMaxBluezAdvertisements; i++) {
     current_advertisement = CreateAdvertisement();
     ExpectSuccess();
     EXPECT_TRUE(current_advertisement);
     advertisements.emplace_back(std::move(current_advertisement));
   }
 
   // The next advertisement should fail to register.
   current_advertisement = CreateAdvertisement();
-  ExpectError(BluetoothAdvertisement::ERROR_ADVERTISEMENT_ALREADY_EXISTS);
+  ExpectError(BluetoothAdvertisement::ERROR_ADVERTISEMENT_FAILED);

[rkc, 2017/06/01 18:10:50]

What's the difference between ALREADY_EXISTS and FAILED now?
Documenting the error codes should clarify this question.

   EXPECT_FALSE(current_advertisement);
 }
 
 TEST_F(BluetoothAdvertisementBlueZTest, DoubleUnregisterFailed) {
   scoped_refptr<BluetoothAdvertisement> advertisement = CreateAdvertisement();
   ExpectSuccess();
   EXPECT_TRUE(advertisement);
 
   UnregisterAdvertisement(advertisement);
   ExpectSuccess();
@@ skipping 25 matching lines @@
   EXPECT_TRUE(advertisement);
 
   // Shutdown the default adapter.
   BluetoothAdapterFactory::Shutdown();
 
   UnregisterAdvertisement(advertisement);
   ExpectError(BluetoothAdvertisement::ERROR_ADVERTISEMENT_DOES_NOT_EXIST);
 }
 
 }  // namespace bluez