Make WebMIDI use blink Promise.

Source/modules/webmidi/NavigatorWebMIDI.cpp

Index: Source/modules/webmidi/NavigatorWebMIDI.cpp
diff --git a/Source/modules/webmidi/NavigatorWebMIDI.cpp b/Source/modules/webmidi/NavigatorWebMIDI.cpp
index ae9f39eefef3c5f9a2c1f7eed7d6f3ae3be34064..eba92d1c4a43d72eef15d0e8d9f3d5d1268ecdd3 100644
--- a/Source/modules/webmidi/NavigatorWebMIDI.cpp
+++ b/Source/modules/webmidi/NavigatorWebMIDI.cpp
@@ -31,11 +31,16 @@
 #include "config.h"
 #include "modules/webmidi/NavigatorWebMIDI.h"
 
+#include "bindings/v8/DOMRequestState.h"
+#include "bindings/v8/ScriptPromise.h"
+#include "bindings/v8/ScriptPromiseResolver.h"
+#include "core/dom/DOMError.h"
 #include "core/dom/Document.h"
 #include "core/dom/ExecutionContext.h"
 #include "core/frame/Frame.h"
 #include "core/frame/Navigator.h"
-#include "modules/webmidi/MIDIAccessPromise.h"
+#include "modules/webmidi/MIDIAccess.h"
+#include "modules/webmidi/MIDIOptions.h"
 
 namespace WebCore {
 
@@ -63,20 +68,22 @@ NavigatorWebMIDI* NavigatorWebMIDI::from(Navigator* navigator)
     return supplement;
 }
 
-PassRefPtrWillBeRawPtr<MIDIAccessPromise> NavigatorWebMIDI::requestMIDIAccess(Navigator* navigator, const Dictionary& options)
+ScriptPromise NavigatorWebMIDI::requestMIDIAccess(Navigator* navigator, const Dictionary& options)
 {
     return NavigatorWebMIDI::from(navigator)->requestMIDIAccess(options);
 }
 
-PassRefPtrWillBeRawPtr<MIDIAccessPromise> NavigatorWebMIDI::requestMIDIAccess(const Dictionary& options)
+ScriptPromise NavigatorWebMIDI::requestMIDIAccess(const Dictionary& options)
 {
-    if (!frame())
-        return 0;
-
-    ExecutionContext* context = frame()->document();
-    ASSERT(context);
+    if (!frame()) {
+        ScriptPromise promise = ScriptPromise::createPending();
+        RefPtr<ScriptPromiseResolver> resolver = ScriptPromiseResolver::create(promise);
+        // FIXME: Currently this rejection does not work because the context is stopped.
+        resolver->reject(DOMError::create("AbortError"));
+        return promise;
+    }
 
-    return MIDIAccessPromise::create(context, options);
+    return MIDIAccess::create(MIDIOptions(options), frame()->document())->startRequest();
 }
 
 } // namespace WebCore