Initial checkin of the out of process worker implementation....

webkit/glue/webworker_impl.h

Index: webkit/glue/webworker_impl.h
===================================================================
--- webkit/glue/webworker_impl.h	(revision 0)
+++ webkit/glue/webworker_impl.h	(revision 0)
@@ -0,0 +1,57 @@
+// Copyright (c) 2009 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef WEBKIT_GLUE_WEBWORKER_IMPL_H_
+#define WEBKIT_GLUE_WEBWORKER_IMPL_H_
+
+#if ENABLE(WORKERS)
+
+#include "webkit/glue/webworker.h"
+
+#include "ScriptExecutionContext.h"
+#include "WorkerObjectProxy.h"
+
+// This class is used by the worker process code to talk to the WebCore::Worker
+// implementation.  It can't use it directly since it uses WebKit types, so this
+// class converts the data types.  When the WebCore::Worker object wants to call
+// WebCore::WorkerObjectProxy, this class will conver to Chrome data types first
+// and then call the supplied WebWorkerClient.
+class WebWorkerImpl: public WebCore::WorkerObjectProxy,
+                     public WebWorker {
+ public:
+  WebWorkerImpl(WebWorkerClient* client);
+  virtual ~WebWorkerImpl();
+
+  // WebCore::WorkerObjectProxy implementation.
+  void postMessageToWorkerObject(const WebCore::String& message);
+  void postExceptionToWorkerObject(const WebCore::String& errorMessage,
+                                   int lineNumber,
+                                   const WebCore::String& sourceURL);
+  void postConsoleMessageToWorkerObject(WebCore::MessageDestination destination,
+                                        WebCore::MessageSource source,
+                                        WebCore::MessageLevel level,
+                                        const WebCore::String& message,
+                                        int lineNumber,
+                                        const WebCore::String& sourceURL);
+  void confirmMessageFromWorkerObject(bool hasPendingActivity);
+  void reportPendingActivity(bool hasPendingActivity);
+  void workerContextDestroyed();
+
+  // WebWorker implementation.
+  void StartWorkerContext(const GURL& script_url,
+                          const string16& user_agent,
+                          const string16& source_code);
+  void TerminateWorkerContext();
+  void PostMessageToWorkerContext(const string16& message);
+  void WorkerObjectDestroyed();
+
+ private:
+  WebWorkerClient* client_;
+
+  DISALLOW_COPY_AND_ASSIGN(WebWorkerImpl);
+};
+
+#endif
+
+#endif  // WEBKIT_GLUE_WEBWORKER_IMPL_H_