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

third_party/WebKit/public/platform/modules/media_capabilities/WebMediaCapabilitiesQueryCallbacks.h

Index: third_party/WebKit/public/platform/modules/media_capabilities/WebMediaCapabilitiesQueryCallbacks.h
diff --git a/third_party/WebKit/public/platform/modules/media_capabilities/WebMediaCapabilitiesQueryCallbacks.h b/third_party/WebKit/public/platform/modules/media_capabilities/WebMediaCapabilitiesQueryCallbacks.h
new file mode 100644
index 0000000000000000000000000000000000000000..d48d1c9247e5b30ac289d717a6b6034e2771a188
--- /dev/null
+++ b/third_party/WebKit/public/platform/modules/media_capabilities/WebMediaCapabilitiesQueryCallbacks.h
@@ -0,0 +1,19 @@
+// 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.
+
+#ifndef WebMediaCapabilitiesQueryCallbacks_h
+#define WebMediaCapabilitiesQueryCallbacks_h
+
+#include "public/platform/WebCallbacks.h"
+
+namespace blink {
+
+struct WebMediaDecodingAbility;
+
+using WebMediaCapabilitiesQueryCallbacks =
+    WebCallbacks<std::unique_ptr<WebMediaDecodingAbility>, void>;

[haraken, 2017/03/07 12:45:02]

I'd put this in WebMediaDecodingAbility.h.

[mlamouri (slow - plz ping), 2017/03/07 14:22:17]

Done.

+
+}  // namespace blink
+
+#endif  // WebMediaCapabilitiesQueryCallbacks_h