Add EmbeddedWorker interfaces in Blink API

public/web/WebServiceWorkerGlobalScopeProxy.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 WorkerFileSystemClient_h
-#define WorkerFileSystemClient_h
-
-#include "modules/filesystem/FileSystemClient.h"
-#include "wtf/Forward.h"
+#ifndef WebServiceWorkerGlobalScopeProxy_h
+#define WebServiceWorkerGlobalScopeProxy_h
 
 namespace WebKit {
 
-// FIXME: This could be probably unified into non-worker FileSystemClient
-// implementation.
-class WorkerFileSystemClient : public WebCore::FileSystemClient {
+// A proxy interface to talk to the ServiceWorker's GlobalScopeProxy
+// implementation. All methods of this class must be called on the worker
+// thread.
+class WebServiceWorkerGlobalScopeProxy {
 public:
-    static PassOwnPtr<FileSystemClient> create();
-    virtual ~WorkerFileSystemClient();
+    // FIXME: Add service worker specific upcalls.
 
-    virtual bool allowFileSystem(WebCore::ExecutionContext*) OVERRIDE;
-
-private:
-    WorkerFileSystemClient();
+    virtual void resumeWorkerContext() { }
+    virtual void attachDevTools() { }
+    virtual void reattachDevTools(const WebString& savedState) { }
+    virtual void detachDevTools() { }
+    virtual void dispatchDevToolsMessage(const WebString&) { }
 };
 
 } // namespace WebKit
 
-#endif // WorkerFileSystemClient_h
+#endif // WebServiceWorkerGlobalScopeProxy_h