Web MIDI: introduce WebMIDIClient API to request a permission

Source/core/platform/midi/MIDIAccessor.cpp

 /*
  * Copyright (C) 2013 Google Inc. All rights reserved.
  *
  * 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
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 16 matching lines @@
  * (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 "core/platform/midi/MIDIAccessor.h"
 
 #include "core/platform/midi/MIDIAccessorClient.h"
 #include "public/platform/Platform.h"
 #include "public/platform/WebMIDIAccessor.h"
+#include "public/web/WebSecurityOrigin.h"
+#include "weborigin/SecurityOrigin.h"
 #include "wtf/text/WTFString.h"
 
+using WebKit::WebSecurityOrigin;
 using WebKit::WebString;
 
 namespace WebCore {
 
 // Factory method
 PassOwnPtr<MIDIAccessor> MIDIAccessor::create(MIDIAccessorClient* client)
 {
     return adoptPtr(new MIDIAccessor(client));
 }
 
@@ skipping 10 matching lines @@
 void MIDIAccessor::requestAccess(bool access)
 {
     m_accessor->requestAccess(access);
 }
 
 void MIDIAccessor::sendMIDIData(unsigned portIndex, const unsigned char* data, size_t length, double timeStamp)
 {
     m_accessor->sendMIDIData(portIndex, data, length, timeStamp);
 }
 
+WebSecurityOrigin MIDIAccessor::securityOrigin() const
+{
+    return WebSecurityOrigin(m_client->securityOrigin());
+}
+
 void MIDIAccessor::didAddInputPort(const WebString& id, const WebString& manufacturer, const WebString& name, const WebString& version)
 {
     m_client->didAddInputPort(id, manufacturer, name, version);
 }
 
 void MIDIAccessor::didAddOutputPort(const WebString& id, const WebString& manufacturer, const WebString& name, const WebString& version)
 {
     m_client->didAddOutputPort(id, manufacturer, name, version);
 }
 
 void MIDIAccessor::didAllowAccess()
 {
     m_client->didAllowAccess();
 }
 
 void MIDIAccessor::didBlockAccess()
 {
     m_client->didBlockAccess();
 }
 
 void MIDIAccessor::didReceiveMIDIData(unsigned portIndex, const unsigned char* data, size_t length, double timeStamp)
 {
     m_client->didReceiveMIDIData(portIndex, data, length, timeStamp);
 }
 
 } // namespace WebCore