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

chrome/common/worker_messages_internal.h

+// 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.
+
+#include "base/string16.h"
+#include "chrome/common/ipc_message_macros.h"
+#include "googleurl/src/gurl.h"
+
+
+//-----------------------------------------------------------------------------
+// WorkerProcess messages
+// These are messages sent from the browser to the worker process.
+IPC_BEGIN_MESSAGES(WorkerProcess)
+  IPC_MESSAGE_CONTROL2(WorkerProcessMsg_CreateWorker,
+                       GURL  /* url */,
+                       int  /* route_id */)
+IPC_END_MESSAGES(WorkerProcess)
+
+
+//-----------------------------------------------------------------------------
+// WorkerProcessHost messages
+// These are messages sent from the worker process to the browser process.
+
+// No messages being sent in this direction for now.
+//IPC_BEGIN_MESSAGES(WorkerProcessHost)
+//IPC_END_MESSAGES(WorkerProcessHost)
+
+//-----------------------------------------------------------------------------
+// Worker messages
+// These are messages sent from the renderer process to the worker process.
+IPC_BEGIN_MESSAGES(Worker)
+  IPC_MESSAGE_ROUTED3(WorkerMsg_StartWorkerContext,
+                      GURL /* url */,
+                      string16  /* user_agent */,
+                      string16  /* source_code */)
+
+  IPC_MESSAGE_ROUTED0(WorkerMsg_TerminateWorkerContext)
+
+  IPC_MESSAGE_ROUTED1(WorkerMsg_PostMessageToWorkerContext,
+                      string16  /* message */)
+
+  IPC_MESSAGE_ROUTED0(WorkerMsg_WorkerObjectDestroyed)
+IPC_END_MESSAGES(Worker)
+
+
+//-----------------------------------------------------------------------------
+// WorkerHost messages
+// These are messages sent from the worker process to the renderer process.
+IPC_BEGIN_MESSAGES(WorkerHost)
+  IPC_MESSAGE_ROUTED1(WorkerHostMsg_PostMessageToWorkerObject,
+                      string16  /* message */)
+
+  IPC_MESSAGE_ROUTED3(WorkerHostMsg_PostExceptionToWorkerObject,
+                      string16  /* error_message */,
+                      int  /* line_number */,
+                      string16  /* source_url*/)
+
+  IPC_MESSAGE_ROUTED6(WorkerHostMsg_PostConsoleMessageToWorkerObject,
+                      int  /* destination */,
+                      int  /* source */,
+                      int  /* level */,
+                      string16  /* message */,
+                      int  /* line_number */,
+                      string16  /* source_url */)
+
+  IPC_MESSAGE_ROUTED1(WorkerHostMsg_ConfirmMessageFromWorkerObject,
+                      bool /* bool has_pending_activity */)
+
+  IPC_MESSAGE_ROUTED1(WorkerHostMsg_ReportPendingActivity,
+                      bool /* bool has_pending_activity */)
+
+  IPC_MESSAGE_ROUTED0(WorkerHostMsg_WorkerContextDestroyed)
+IPC_END_MESSAGES(WorkerHost)