Add pause_on_start flag to WorkerProcessMsg_CreateWorker_Params.

content/common/devtools_messages.h

 // Copyright (c) 2012 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.
 
 // Developer tools consist of the following parts:
 //
 // DevToolsAgent lives in the renderer of an inspected page and provides access
 // to the pages resources, DOM, v8 etc. by means of IPC messages.
 //
 // DevToolsClient is a thin delegate that lives in the tools front-end
@@ skipping 68 matching lines @@
 // Inspect element with the given coordinates.
 IPC_MESSAGE_ROUTED2(DevToolsAgentMsg_InspectElement,
                     int /* x */,
                     int /* y */)
 
 // Add message to the devtools console.
 IPC_MESSAGE_ROUTED2(DevToolsAgentMsg_AddMessageToConsole,
                     content::ConsoleMessageLevel /* level */,
                     std::string /* message */)
 
-// Notifies worker devtools agent that it should pause worker context
-// when it starts and wait until either DevTools client is attached or
-// explicit resume notification is received.
-IPC_MESSAGE_ROUTED0(DevToolsAgentMsg_PauseWorkerContextOnStart)
-
 // Worker DevTools agent should resume worker execution.
 IPC_MESSAGE_ROUTED0(DevToolsAgentMsg_ResumeWorkerContext)
 
 //-----------------------------------------------------------------------------
 // These are messages sent from the browser to the renderer.
 
 // RenderViewHostDelegate::RenderViewCreated method sends this message to a
 // new renderer to notify it that it will host developer tools UI and should
 // set up all neccessary bindings and create DevToolsClient instance that
 // will handle communication with inspected page DevToolsAgent.
@@ skipping 28 matching lines @@
   IPC_STRUCT_MEMBER(uint64, used_gpu_memory_bytes)
 IPC_STRUCT_END()
 
 // Recorded events are passed in chunks to the renderer process.
 IPC_MESSAGE_ROUTED1(DevToolsAgentMsg_GpuTasksChunk,
                     std::vector<GpuTaskInfo> /* gpu_tasks */)
 
 //-----------------------------------------------------------------------------
 // These are messages sent from the inspected page renderer to the worker
 // renderer.