[DevTools] Inline IPCDevToolsAgentHost into subclasses.

content/browser/devtools/worker_devtools_agent_host.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.
 
 #ifndef CONTENT_BROWSER_DEVTOOLS_WORKER_DEVTOOLS_AGENT_HOST_H_
 #define CONTENT_BROWSER_DEVTOOLS_WORKER_DEVTOOLS_AGENT_HOST_H_
 
-#include "content/browser/devtools/ipc_devtools_agent_host.h"
+#include "content/browser/devtools/devtools_agent_host_impl.h"
 #include "ipc/ipc_listener.h"
 
 namespace content {
 
 class BrowserContext;
 class SharedWorkerInstance;
 
-class WorkerDevToolsAgentHost : public IPCDevToolsAgentHost,
+class WorkerDevToolsAgentHost : public DevToolsAgentHostImpl,
                                 public IPC::Listener {
  public:
   typedef std::pair<int, int> WorkerId;
 
   // DevToolsAgentHost override.
   BrowserContext* GetBrowserContext() override;
 
-  // IPCDevToolsAgentHost implementation.
-  void SendMessageToAgent(IPC::Message* message) override;
+  // DevToolsAgentHostImpl overrides.
   void Attach() override;
-  void OnClientAttached(bool reattached) override;
-  void OnClientDetached() override;
+  void Detach() override;
+  bool DispatchProtocolMessage(const std::string& message) override;
 
   // IPC::Listener implementation.
   bool OnMessageReceived(const IPC::Message& msg) override;
 
   void PauseForDebugOnStart();
   bool IsPausedForDebugOnStart();
 
   void WorkerReadyForInspection();
   void WorkerRestarted(WorkerId worker_id);
   void WorkerDestroyed();
   bool IsTerminated();
 
  protected:
   WorkerDevToolsAgentHost(WorkerId worker_id);
   ~WorkerDevToolsAgentHost() override;
 
   enum WorkerState {
     WORKER_UNINSPECTED,
     WORKER_INSPECTED,
     WORKER_TERMINATED,
     WORKER_PAUSED_FOR_DEBUG_ON_START,
     WORKER_PAUSED_FOR_REATTACH,
   };
 
+  virtual void OnAttachedStateChanged(bool attached);
+  const WorkerId& worker_id() const { return worker_id_; }
+
+ private:
+  friend class SharedWorkerDevToolsManagerTest;
+
   void AttachToWorker();
   void DetachFromWorker();
   void WorkerCreated();
   void OnDispatchOnInspectorFrontend(const DevToolsMessageChunk& message);
 
-  const WorkerId& worker_id() const { return worker_id_; }
-
- private:
-  friend class SharedWorkerDevToolsManagerTest;
-
   WorkerState state_;
   WorkerId worker_id_;
   DISALLOW_COPY_AND_ASSIGN(WorkerDevToolsAgentHost);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_DEVTOOLS_WORKER_DEVTOOLS_AGENT_HOST_H_