Refactored code to allow associating workers with multiple renderers.

chrome/common/render_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.
 
 // This header is meant to be included in multiple passes, hence no traditional
 // header guard.
 // See ipc_message_macros.h for explanation of the macros and passes.
 
 #include <map>
 #include <string>
@@ skipping 1731 matching lines @@
   // Since the browser keeps handles to the allocated transport DIBs, this
   // message is sent to tell the browser that it may release them when the
   // renderer is finished with them.
   IPC_MESSAGE_CONTROL1(ViewHostMsg_FreeTransportDIB,
                        TransportDIB::Id /* DIB id */)
 #endif
 
   // A renderer sends this to the browser process when it wants to create a
   // worker.  The browser will create the worker process if necessary, and
   // will return the route id on success.  On error returns MSG_ROUTING_NONE.
-  IPC_SYNC_MESSAGE_CONTROL4_1(ViewHostMsg_CreateWorker,
-                              GURL /* url */,
-                              bool /* is_shared */,
-                              string16 /* name */,
-                              int /* render_view_route_id */,
+  IPC_SYNC_MESSAGE_CONTROL1_1(ViewHostMsg_CreateWorker,
+                              ViewHostMsg_CreateWorker_Params,
                               int /* route_id */)
 
   // This message is sent to the browser to see if an instance of this shared
   // worker already exists (returns route_id != MSG_ROUTING_NONE). This route
   // id can be used to forward messages to the worker via ForwardToWorker. If a
   // non-empty name is passed, also validates that the url matches the url of
   // the existing worker. If a matching worker is found, the passed-in
   // document_id is associated with that worker, to ensure that the worker
   // stays alive until the document is detached.
-  IPC_SYNC_MESSAGE_CONTROL3_2(ViewHostMsg_LookupSharedWorker,
+  IPC_SYNC_MESSAGE_CONTROL4_2(ViewHostMsg_LookupSharedWorker,
                               GURL /* url */,
                               string16 /* name */,
                               unsigned long long /* document_id */,
+                              int /* render_view_route_id */,
                               int /* route_id */,
                               bool /* url_mismatch */)
 
   // A renderer sends this to the browser process when a document has been
   // detached. The browser will use this to constrain the lifecycle of worker
   // processes (SharedWorkers are shut down when their last associated document
   // is detached).
   IPC_MESSAGE_CONTROL1(ViewHostMsg_DocumentDetached,
                        unsigned long long /* document_id */)
 
@@ skipping 233 matching lines @@
       ViewHostMsg_SpellChecker_PlatformFillSuggestionList,
       string16 /* word */,
       std::vector<string16> /* suggestions */)
 
   // Request for text translation.
   // Used when translating a page from one language to another.
   IPC_MESSAGE_CONTROL1(ViewHostMsg_TranslateText,
                        ViewHostMsg_TranslateTextParam)
 
 IPC_END_MESSAGES(ViewHost)