[DevTools] Rework DevToolsSession interaction with domain handlers.

content/browser/devtools/render_frame_devtools_agent_host.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_RENDER_FRAME_DEVTOOLS_AGENT_HOST_H_
 #define CONTENT_BROWSER_DEVTOOLS_RENDER_FRAME_DEVTOOLS_AGENT_HOST_H_
 
 #include <map>
 #include <memory>
 
@@ skipping 20 matching lines @@
 
 namespace content {
 
 class BrowserContext;
 class DevToolsFrameTraceRecorder;
 class FrameTreeNode;
 class NavigationHandle;
 class NavigationThrottle;
 class RenderFrameHostImpl;
 
-namespace protocol {
-class DOMHandler;
-class EmulationHandler;
-class InputHandler;
-class InspectorHandler;
-class IOHandler;
-class NetworkHandler;
-class PageHandler;
-class SchemaHandler;
-class SecurityHandler;
-class ServiceWorkerHandler;
-class StorageHandler;
-class TargetHandler;
-class TracingHandler;
-}  // namespace protocol
-
 class CONTENT_EXPORT RenderFrameDevToolsAgentHost
     : public DevToolsAgentHostImpl,
       private WebContentsObserver {
  public:
   static void AddAllAgentHosts(DevToolsAgentHost::List* result);
 
   static void OnCancelPendingNavigation(RenderFrameHost* pending,
                                         RenderFrameHost* current);
   static void OnBeforeNavigation(RenderFrameHost* current,
                                  RenderFrameHost* pending);
@@ skipping 23 matching lines @@
   std::string GetTitle() override;
   std::string GetDescription() override;
   GURL GetURL() override;
   GURL GetFaviconURL() override;
   bool Activate() override;
   void Reload() override;
 
   bool Close() override;
   base::TimeTicks GetLastActivityTime() override;
 
-  bool DispatchProtocolMessage(const std::string& message) override;
-
  private:
   friend class DevToolsAgentHost;
   explicit RenderFrameDevToolsAgentHost(RenderFrameHostImpl*);
   ~RenderFrameDevToolsAgentHost() override;
 
   static scoped_refptr<DevToolsAgentHost> GetOrCreateFor(
       RenderFrameHostImpl* host);
   static void AppendAgentHostForFrameIfApplicable(
       DevToolsAgentHost::List* result,
       RenderFrameHost* host);
 
   // DevToolsAgentHostImpl overrides.
-  void Attach() override;
-  void Detach() override;
-  void InspectElement(int x, int y) override;
+  void AttachSession(DevToolsSession* session) override;
+  void DetachSession(int session_id) override;
+  void InspectElement(DevToolsSession* session, int x, int y) override;
+  bool DispatchProtocolMessage(
+      DevToolsSession* session,
+      const std::string& message) override;
 
   // WebContentsObserver overrides.
   void ReadyToCommitNavigation(NavigationHandle* navigation_handle) override;
   void DidFinishNavigation(NavigationHandle* navigation_handle) override;
   void RenderFrameHostChanged(RenderFrameHost* old_host,
                               RenderFrameHost* new_host) override;
   void FrameDeleted(RenderFrameHost* rfh) override;
   void RenderFrameDeleted(RenderFrameHost* rfh) override;
   void RenderProcessGone(base::TerminationStatus status) override;
   bool OnMessageReceived(const IPC::Message& message,
@@ skipping 46 matching lines @@
       cc::CompositorFrameMetadata frame_metadata);
 
   class FrameHostHolder;
 
   std::unique_ptr<FrameHostHolder> current_;
   std::unique_ptr<FrameHostHolder> pending_;
 
   // Stores per-host state between DisconnectWebContents and ConnectWebContents.
   std::unique_ptr<FrameHostHolder> disconnected_;
 
-  std::unique_ptr<protocol::DOMHandler> dom_handler_;
-  std::unique_ptr<protocol::InputHandler> input_handler_;
-  std::unique_ptr<protocol::InspectorHandler> inspector_handler_;
-  std::unique_ptr<protocol::IOHandler> io_handler_;
-  std::unique_ptr<protocol::NetworkHandler> network_handler_;
-  std::unique_ptr<protocol::PageHandler> page_handler_;
-  std::unique_ptr<protocol::SchemaHandler> schema_handler_;
-  std::unique_ptr<protocol::SecurityHandler> security_handler_;
-  std::unique_ptr<protocol::ServiceWorkerHandler> service_worker_handler_;
-  std::unique_ptr<protocol::StorageHandler> storage_handler_;
-  std::unique_ptr<protocol::TargetHandler> target_handler_;
-  std::unique_ptr<protocol::TracingHandler> tracing_handler_;
-  std::unique_ptr<protocol::EmulationHandler> emulation_handler_;
   std::unique_ptr<DevToolsFrameTraceRecorder> frame_trace_recorder_;
 #if defined(OS_ANDROID)
   std::unique_ptr<device::PowerSaveBlocker> power_save_blocker_;
 #endif
   RenderFrameHostImpl* handlers_frame_host_;
   bool current_frame_crashed_;
 
   // PlzNavigate
 
   // Handle that caused the setting of pending_.
@@ skipping 12 matching lines @@
 
   // The FrameTreeNode associated with this agent.
   FrameTreeNode* frame_tree_node_;
 
   DISALLOW_COPY_AND_ASSIGN(RenderFrameDevToolsAgentHost);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_DEVTOOLS_RENDER_FRAME_DEVTOOLS_AGENT_HOST_H_