Re-land attempt 2: Add localized default audio device names.

media/base/fake_media_resources.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 "base/strings/utf_string_conversions.h"
+#include "media/base/media_resources.h"
+
+namespace media {
+
+base::string16 FakeLocalizedStringProvider(MessageId message_id) {
+  if (message_id == DEFAULT_AUDIO_DEVICE_NAME)
+    return base::ASCIIToUTF16("Default");
+
+  return base::ASCIIToUTF16("FakeString");
+}
+
+void SetUpFakeMediaResources() {
+  SetLocalizedStringProvider(FakeLocalizedStringProvider);
+}
+
+}  // namespace media