[DevTools] Move subtargets functionality from ServiceWorker to Target domain.

content/browser/devtools/protocol/target_handler.h

+// Copyright 2016 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.
+
+#ifndef CONTENT_BROWSER_DEVTOOLS_PROTOCOL_TARGET_HANDLER_H_
+#define CONTENT_BROWSER_DEVTOOLS_PROTOCOL_TARGET_HANDLER_H_
+
+#include <map>
+#include <set>
+
+#include "content/browser/devtools/protocol/devtools_protocol_dispatcher.h"
+#include "content/browser/devtools/service_worker_devtools_manager.h"
+#include "content/public/browser/devtools_agent_host_client.h"
+
+namespace content {
+
+class RenderFrameHostImpl;
+
+namespace devtools {
+namespace target {
+
+class TargetHandler : public DevToolsAgentHostClient,
+                      public ServiceWorkerDevToolsManager::Observer {
+ public:
+  using Response = DevToolsProtocolClient::Response;
+
+  TargetHandler();
+  ~TargetHandler() override;
+
+  void SetRenderFrameHost(RenderFrameHostImpl* render_frame_host);
+  void SetClient(std::unique_ptr<Client> client);
+  void Detached();
+
+  void UpdateServiceWorkers();
+
+  // Domain implementation.
+  Response Enable();
+  Response Disable();
+  Response SetWaitForDebuggerOnStart(bool value);
+  Response SendMessageToTarget(const std::string& target_id,
+                               const std::string& message);
+  Response GetTargetInfo(const std::string& target_id,
+                         scoped_refptr<TargetInfo>* target_info);
+  Response ActivateTarget(const std::string& target_id);
+
+ private:
+  void AttachToTargetInternal(DevToolsAgentHost* host,
+                              bool waiting_for_debugger);
+  void DetachFromTargetInternal(DevToolsAgentHost* host);
+
+  // ServiceWorkerDevToolsManager::Observer implementation.
+  void WorkerCreated(ServiceWorkerDevToolsAgentHost* host) override;
+  void WorkerReadyForInspection(ServiceWorkerDevToolsAgentHost* host) override;
+  void WorkerVersionInstalled(ServiceWorkerDevToolsAgentHost* host) override;
+  void WorkerVersionDoomed(ServiceWorkerDevToolsAgentHost* host) override;
+  void WorkerDestroyed(ServiceWorkerDevToolsAgentHost* host) override;
+
+  // DevToolsAgentHostClient implementation.
+  void DispatchProtocolMessage(DevToolsAgentHost* agent_host,
+                               const std::string& message) override;
+  void AgentHostClosed(DevToolsAgentHost* agent_host,
+                       bool replaced_with_another_client) override;
+
+  std::unique_ptr<Client> client_;
+  bool enabled_;
+  RenderFrameHostImpl* render_frame_host_;
+  std::map<std::string, scoped_refptr<DevToolsAgentHost>> attached_hosts_;
+  std::set<GURL> frame_urls_;
+
+  DISALLOW_COPY_AND_ASSIGN(TargetHandler);
+};
+
+}  // namespace target
+}  // namespace devtools
+}  // namespace content
+
+#endif  // CONTENT_BROWSER_DEVTOOLS_PROTOCOL_TARGET_HANDLER_H_