[DevTools] Implement DevToolsManager::Observer which notifies about target updates.

content/browser/devtools/embedded_worker_devtools_manager.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/embedded_worker_devtools_manager.h"
 
+#include "content/browser/devtools/devtools_manager.h"
 #include "content/browser/devtools/devtools_protocol.h"
 #include "content/browser/devtools/devtools_protocol_constants.h"
 #include "content/browser/devtools/embedded_worker_devtools_agent_host.h"
 #include "content/browser/devtools/ipc_devtools_agent_host.h"
 #include "content/browser/shared_worker/shared_worker_instance.h"
 #include "content/common/devtools_messages.h"
 #include "content/public/browser/browser_thread.h"
 #include "content/public/browser/render_process_host.h"
 #include "content/public/browser/worker_service.h"
 #include "ipc/ipc_listener.h"
@@ skipping 80 matching lines @@
 
 bool EmbeddedWorkerDevToolsManager::SharedWorkerCreated(
     int worker_process_id,
     int worker_route_id,
     const SharedWorkerInstance& instance) {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
   const WorkerId id(worker_process_id, worker_route_id);
   AgentHostMap::iterator it = FindExistingSharedWorkerAgentHost(instance);
   if (it == workers_.end()) {
     workers_[id] = new EmbeddedWorkerDevToolsAgentHost(id, instance);
+    DevToolsManager::GetInstance()->AgentHostChanged(workers_[id]);
     return false;
   }
   WorkerRestarted(id, it);
   return true;
 }
 
 bool EmbeddedWorkerDevToolsManager::ServiceWorkerCreated(
     int worker_process_id,
     int worker_route_id,
     const ServiceWorkerIdentifier& service_worker_id) {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
   const WorkerId id(worker_process_id, worker_route_id);
   AgentHostMap::iterator it =
       FindExistingServiceWorkerAgentHost(service_worker_id);
   if (it == workers_.end()) {
     workers_[id] = new EmbeddedWorkerDevToolsAgentHost(
         id, service_worker_id, debug_service_worker_on_start_);
+    DevToolsManager::GetInstance()->AgentHostChanged(workers_[id]);
     return debug_service_worker_on_start_;
   }
   WorkerRestarted(id, it);
   return true;
 }
 
 void EmbeddedWorkerDevToolsManager::WorkerDestroyed(int worker_process_id,
                                                     int worker_route_id) {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
   const WorkerId id(worker_process_id, worker_route_id);
   AgentHostMap::iterator it = workers_.find(id);
   DCHECK(it != workers_.end());
-  it->second->WorkerDestroyed();
+  scoped_refptr<EmbeddedWorkerDevToolsAgentHost> agent_host(it->second);
+  agent_host->WorkerDestroyed();
+  DevToolsManager::GetInstance()->AgentHostChanged(agent_host);
 }
 
 void EmbeddedWorkerDevToolsManager::WorkerReadyForInspection(
     int worker_process_id,
     int worker_route_id) {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
   const WorkerId id(worker_process_id, worker_route_id);
   AgentHostMap::iterator it = workers_.find(id);
   DCHECK(it != workers_.end());
   it->second->WorkerReadyForInspection();
@@ skipping 47 matching lines @@
   return result;
 }
 
 void EmbeddedWorkerDevToolsManager::WorkerRestarted(
     const WorkerId& id,
     const AgentHostMap::iterator& it) {
   EmbeddedWorkerDevToolsAgentHost* agent_host = it->second;
   agent_host->WorkerRestarted(id);
   workers_.erase(it);
   workers_[id] = agent_host;
+  DevToolsManager::GetInstance()->AgentHostChanged(agent_host);
 }
 
 void EmbeddedWorkerDevToolsManager::ResetForTesting() {
   workers_.clear();
 }
 
 }  // namespace content