[DevTools] Introduce DevToolsSession.

content/browser/devtools/worker_devtools_agent_host.cc

 // 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.
 
 #include "content/browser/devtools/worker_devtools_agent_host.h"
 
 #include "base/guid.h"
 #include "content/browser/devtools/devtools_protocol_handler.h"
+#include "content/browser/devtools/devtools_session.h"
 #include "content/browser/devtools/protocol/schema_handler.h"
 #include "content/public/browser/browser_thread.h"
 #include "content/public/browser/render_process_host.h"
 
 namespace content {
 
 BrowserContext* WorkerDevToolsAgentHost::GetBrowserContext() {
   RenderProcessHost* rph = RenderProcessHost::FromID(worker_id_.first);
   return rph ? rph->GetBrowserContext() : nullptr;
 }
 
 void WorkerDevToolsAgentHost::Attach() {
   if (state_ != WORKER_INSPECTED) {
     state_ = WORKER_INSPECTED;
     AttachToWorker();
   }
-  if (RenderProcessHost* host = RenderProcessHost::FromID(worker_id_.first))
-    host->Send(
-        new DevToolsAgentMsg_Attach(worker_id_.second, GetId(), session_id()));
+  if (RenderProcessHost* host = RenderProcessHost::FromID(worker_id_.first)) {
+    host->Send(new DevToolsAgentMsg_Attach(
+        worker_id_.second, GetId(), session()->session_id()));
+  }
   OnAttachedStateChanged(true);
 }
 
 void WorkerDevToolsAgentHost::Detach() {
   if (RenderProcessHost* host = RenderProcessHost::FromID(worker_id_.first))
     host->Send(new DevToolsAgentMsg_Detach(worker_id_.second));
   OnAttachedStateChanged(false);
   if (state_ == WORKER_INSPECTED) {
     state_ = WORKER_UNINSPECTED;
     DetachFromWorker();
   } else if (state_ == WORKER_PAUSED_FOR_REATTACH) {
     state_ = WORKER_UNINSPECTED;
   }
 }
 
 bool WorkerDevToolsAgentHost::DispatchProtocolMessage(
     const std::string& message) {
   if (state_ != WORKER_INSPECTED)
     return true;
 
   int call_id;
   std::string method;
-  if (protocol_handler_->HandleOptionalMessage(session_id(), message, &call_id,
-                                               &method))
+  if (protocol_handler_->HandleOptionalMessage(session()->session_id(), message,
+                                               &call_id, &method))
     return true;
 
   if (RenderProcessHost* host = RenderProcessHost::FromID(worker_id_.first)) {
     host->Send(new DevToolsAgentMsg_DispatchOnInspectorBackend(
-        worker_id_.second, session_id(), call_id, method, message));
+        worker_id_.second, session()->session_id(), call_id, method, message));
   }
   return true;
 }
 
 bool WorkerDevToolsAgentHost::OnMessageReceived(
     const IPC::Message& msg) {
   DCHECK_CURRENTLY_ON(BrowserThread::UI);
   bool handled = true;
   IPC_BEGIN_MESSAGE_MAP(WorkerDevToolsAgentHost, msg)
   IPC_MESSAGE_HANDLER(DevToolsClientMsg_DispatchOnInspectorFrontend,
@@ skipping 12 matching lines @@
   return state_ == WORKER_PAUSED_FOR_DEBUG_ON_START;
 }
 
 void WorkerDevToolsAgentHost::WorkerReadyForInspection() {
   if (state_ == WORKER_PAUSED_FOR_REATTACH) {
     DCHECK(IsAttached());
     state_ = WORKER_INSPECTED;
     AttachToWorker();
     if (RenderProcessHost* host = RenderProcessHost::FromID(worker_id_.first)) {
       host->Send(new DevToolsAgentMsg_Reattach(
-          worker_id_.second, GetId(), session_id(),
+          worker_id_.second, GetId(), session()->session_id(),
           chunk_processor_.state_cookie()));
     }
     OnAttachedStateChanged(true);
   }
 }
 
 void WorkerDevToolsAgentHost::WorkerRestarted(WorkerId worker_id) {
   DCHECK_EQ(WORKER_TERMINATED, state_);
   state_ = IsAttached() ? WORKER_PAUSED_FOR_REATTACH : WORKER_UNINSPECTED;
   worker_id_ = worker_id;
@@ skipping 53 matching lines @@
 
 void WorkerDevToolsAgentHost::OnDispatchOnInspectorFrontend(
     const DevToolsMessageChunk& message) {
   if (!IsAttached())
     return;
 
   chunk_processor_.ProcessChunkedMessageFromAgent(message);
 }
 
 }  // namespace content