Media Session: use dictionary instead of an interface for MediaImage.

third_party/WebKit/Source/modules/mediasession/MediaImage.cpp

-// Copyright 2016 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 "modules/mediasession/MediaImage.h"
-
-#include "core/dom/ExecutionContext.h"
-#include "core/inspector/ConsoleMessage.h"
-#include "modules/mediasession/MediaImageInit.h"
-#include "platform/weborigin/KURL.h"
-#include "wtf/text/StringOperators.h"
-
-namespace blink {
-
-// static
-MediaImage* MediaImage::create(ExecutionContext* context,
-                               const MediaImageInit& image) {
-  return new MediaImage(context, image);
-}
-
-MediaImage::MediaImage(ExecutionContext* context, const MediaImageInit& image) {
-  m_src = context->completeURL(image.src());
-  if (!KURL(ParsedURLString, m_src).isValid()) {
-    context->addConsoleMessage(
-        ConsoleMessage::create(JSMessageSource, WarningMessageLevel,
-                               "MediaImage src is invalid: " + image.src()));
-  }
-  m_sizes = image.sizes();
-  m_type = image.type();
-}
-
-String MediaImage::src() const {
-  return m_src;
-}
-
-String MediaImage::sizes() const {
-  return m_sizes;
-}
-
-String MediaImage::type() const {
-  return m_type;
-}
-
-}  // namespace blink