Make WebMIDI use blink Promise.

Source/bindings/v8/MIDIAccessResolver.cpp

 // Copyright 2014 The Chromium Authors. All rights reserved.
 //
 // The Chromium Authors can be found at
 // http://src.chromium.org/svn/trunk/src/AUTHORS
 //
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //    * Redistributions of source code must retain the above copyright
@@ skipping 10 matching lines @@
 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+#include "config.h"
+#include "bindings/v8/MIDIAccessResolver.h"
+
+#include "bindings/v8/ScriptPromiseResolver.h"
+#include "bindings/v8/V8Binding.h"
+#include <v8.h>
+
+namespace WebCore {
+
+MIDIAccessResolver::MIDIAccessResolver(PassRefPtr<ScriptPromiseResolver> resolver, ExecutionContext* context)
+    : m_resolver(resolver), m_executionContext(context), m_world(DOMWrapperWorld::current(toIsolate(context))) { }
+
+MIDIAccessResolver::~MIDIAccessResolver() { }
+
+void MIDIAccessResolver::resolve(MIDIAccess* access)
+{
+    v8::HandleScope handleScope(toIsolate(m_executionContext));
+    v8::Context::Scope contextScope(toV8Context(m_executionContext, m_world.get()));
+
+    m_resolver->resolve(access, m_executionContext);
+}
+
+void MIDIAccessResolver::reject(PassRefPtr<DOMError> error)
+{
+    v8::HandleScope handleScope(toIsolate(m_executionContext));
+    v8::Context::Scope contextScope(toV8Context(m_executionContext, m_world.get()));
+
+    m_resolver->reject(error.get(), m_executionContext);
+}
+
+} // namespace WebCore