[DevTools] Make DevTools clients talk directly to DevToolsAgentHost instead of using DevToolsManage…

content/browser/devtools/devtools_agent_host_impl.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.
 
 #ifndef CONTENT_BROWSER_DEVTOOLS_DEVTOOLS_AGENT_HOST_IMPL_H_
 #define CONTENT_BROWSER_DEVTOOLS_DEVTOOLS_AGENT_HOST_IMPL_H_
 
 #include <string>
 
 #include "base/compiler_specific.h"
 #include "content/common/content_export.h"
 #include "content/public/browser/devtools_agent_host.h"
 
 namespace IPC {
 class Message;
 }
 
 namespace content {
 
+class BrowserContext;
+
 // Describes interface for managing devtools agents from the browser process.
 class CONTENT_EXPORT DevToolsAgentHostImpl : public DevToolsAgentHost {
  public:
-  class CONTENT_EXPORT CloseListener {
-   public:
-    virtual void AgentHostClosing(DevToolsAgentHostImpl*) = 0;
-   protected:
-    virtual ~CloseListener() {}
-  };
-
   // Informs the hosted agent that a client host has attached.
   virtual void Attach() = 0;
 
   // Informs the hosted agent that a client host has detached.
   virtual void Detach() = 0;
 
-  // Sends a message to the agent hosted by this object.
-  virtual void DispatchOnInspectorBackend(const std::string& message) = 0;
-
-  void set_close_listener(CloseListener* listener) {
-    close_listener_ = listener;
-  }
+  // Opens the inspector for this host.
+  void Inspect(BrowserContext* browser_context);
 
   // DevToolsAgentHost implementation.
+  virtual void AttachClient(Client* client) OVERRIDE;
+  virtual void DetachClient() OVERRIDE;
   virtual bool IsAttached() OVERRIDE;
-
   virtual void InspectElement(int x, int y) OVERRIDE;
-
   virtual std::string GetId() OVERRIDE;
-
   virtual RenderViewHost* GetRenderViewHost() OVERRIDE;
-
   virtual void DisconnectRenderViewHost() OVERRIDE;
-
   virtual void ConnectRenderViewHost(RenderViewHost* rvh) OVERRIDE;
-
   virtual bool IsWorker() const OVERRIDE;
 
  protected:
   DevToolsAgentHostImpl();
   virtual ~DevToolsAgentHostImpl();
 
-  void NotifyCloseListener();
+  void HostClosed();
+  void SendMessageToClient(const std::string& message);
 
  private:
-  CloseListener* close_listener_;
+  friend class DevToolsAgentHost; // for static methods
+  void DetachInternal(DetachReason reason, bool need_detach);
+  static void NotifyCallbacks(DevToolsAgentHostImpl* agent_host, bool attached);
+
   const std::string id_;
+  Client* client_;
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_DEVTOOLS_DEVTOOLS_AGENT_HOST_IMPL_H_