Add EmbeddedWorker interfaces in Blink API

public/web/WebServiceWorkerContextProxy.h

Index: public/web/WebServiceWorkerContextProxy.h
diff --git a/Source/web/MIDIClientProxy.h b/public/web/WebServiceWorkerContextProxy.h
similarity index 73%
copy from Source/web/MIDIClientProxy.h
copy to public/web/WebServiceWorkerContextProxy.h
index be3e7a7d856aea9a1a8425fc0dc842401d595994..d011778335492029d5faa6375a75cec86996d509 100644
--- a/Source/web/MIDIClientProxy.h
+++ b/public/web/WebServiceWorkerContextProxy.h
@@ -28,33 +28,24 @@
  * 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;
-
-class MIDIClientProxy : public WebCore::MIDIClient {
+// 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:
-    explicit MIDIClientProxy(WebMIDIClient*);
-
-    // WebCore::MIDIClient
-    virtual void requestSysExPermission(PassRefPtr<WebCore::MIDIAccess>);
-    virtual void cancelSysExPermissionRequest(WebCore::MIDIAccess*);
+    // FIXME: Add service-worker specific methods.
 
-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