Media Capabilities: add plumbing between Blink and media/blink/.

media/blink/webmediacapabilitiesclient_impl.cc

+// Copyright 2017 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 "media/blink/webmediacapabilitiesclient_impl.h"
+
+#include "third_party/WebKit/public/platform/modules/media_capabilities/WebMediaDecodingAbility.h"
+
+namespace media {
+
+WebMediaCapabilitiesClientImpl::WebMediaCapabilitiesClientImpl() = default;
+
+WebMediaCapabilitiesClientImpl::~WebMediaCapabilitiesClientImpl() = default;
+
+void WebMediaCapabilitiesClientImpl::query(
+    const blink::WebMediaConfiguration& configuration,
+    std::unique_ptr<blink::WebMediaCapabilitiesQueryCallbacks> callbacks) {
+  // TODO(chcunningham, mlamouri): this is a dummy implementation that returns
+  // true for all the fields.
+  std::unique_ptr<blink::WebMediaDecodingAbility> ability(
+      new blink::WebMediaDecodingAbility());
+  ability->supported = true;
+  ability->smooth = true;
+  ability->powerEfficient = true;
+  callbacks->onSuccess(std::move(ability));
+}
+
+}  // namespace media