ServiceWorker: remove EmbeddedWorkerMsg_StartWorker

content/common/service_worker/embedded_worker_messages.h

 // Copyright 2014 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.
 
 // Message definition file, included multiple times, hence no include guard.
 
 #include <stdint.h>
 
 #include <string>
 
@@ skipping 33 matching lines @@
 // The data members directly correspond to parameters of
 // WorkerMessagingProxy::reportConsoleMessage()
 IPC_STRUCT_BEGIN(EmbeddedWorkerHostMsg_ReportConsoleMessage_Params)
   IPC_STRUCT_MEMBER(int, source_identifier)
   IPC_STRUCT_MEMBER(int, message_level)
   IPC_STRUCT_MEMBER(base::string16, message)
   IPC_STRUCT_MEMBER(int, line_number)
   IPC_STRUCT_MEMBER(GURL, source_url)
 IPC_STRUCT_END()
 
-// Browser -> Renderer message to create a new embedded worker context.
-IPC_MESSAGE_CONTROL1(EmbeddedWorkerMsg_StartWorker,
-                     content::EmbeddedWorkerStartParams /* params */)
-
 // Browser -> Renderer message to resume a worker that has been started
 // with the pause_after_download option.
 IPC_MESSAGE_CONTROL1(EmbeddedWorkerMsg_ResumeAfterDownload,
                      int /* embedded_worker_id */)
 
 // Browser -> Renderer message to stop (terminate) the embedded worker.
 IPC_MESSAGE_CONTROL1(EmbeddedWorkerMsg_StopWorker,
                      int /* embedded_worker_id */)
 
 // Browser -> Renderer message to add message to the devtools console.
@@ skipping 57 matching lines @@
 // for this for easier cross-thread message dispatching.
 
 #undef IPC_MESSAGE_START
 #define IPC_MESSAGE_START EmbeddedWorkerContextMsgStart
 
 // Browser -> Renderer message to send message.
 IPC_MESSAGE_CONTROL3(EmbeddedWorkerContextMsg_MessageToWorker,
                      int /* thread_id */,
                      int /* embedded_worker_id */,
                      IPC::Message /* message */)