Add EmbeddedWorker interfaces in Blink API

public/web/WebServiceWorkerContextProxy.h

 /*
  * 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 10 matching lines @@
  * 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.
  */
 
-#ifndef MIDIClientProxy_h
-#define MIDIClientProxy_h
-
-#include "modules/webmidi/MIDIClient.h"
-#include "wtf/PassRefPtr.h"
-
-namespace WebCore {
-class MIDIAccess;
-}
+#ifndef WebServiceWorkerContextProxy_h
+#define WebServiceWorkerContextProxy_h
 
 namespace blink {
 
-class WebMIDIClient;
-class WebViewImpl;
+// A proxy interface to talk to the worker's GlobalScope implementation.
+// All methods of this class must be called on the worker thread.
+class WebServiceWorkerContextProxy {
+public:
+    // FIXME: Add service-worker specific methods.
 
-class MIDIClientProxy : public WebCore::MIDIClient {
-public:
-    explicit MIDIClientProxy(WebMIDIClient*);
-
-    // WebCore::MIDIClient
-    virtual void requestSysExPermission(PassRefPtr<WebCore::MIDIAccess>);
-    virtual void cancelSysExPermissionRequest(WebCore::MIDIAccess*);
-
-private:
-    WebMIDIClient* m_client;
+    virtual void resumeWorkerContext() { }
+    virtual void attachDevTools() { }
+    virtual void reattachDevTools(const WebString& savedState) { }
+    virtual void detachDevTools() { }
+    virtual void dispatchDevToolsMessage(const WebString&) { }
 };
 
 } // namespace blink
 
-#endif // MIDIClientProxy_h
+#endif // WebServiceWorkerContextProxy_h