[DevTools] Rework DevToolsSession interaction with domain handlers.

content/browser/devtools/protocol/service_worker_handler.h

 // Copyright 2015 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_SERVICE_WORKER_HANDLER_H_
 #define CONTENT_BROWSER_DEVTOOLS_PROTOCOL_SERVICE_WORKER_HANDLER_H_
 
 #include <stdint.h>
 
 #include <set>
 
 #include "base/macros.h"
 #include "base/memory/weak_ptr.h"
+#include "content/browser/devtools/protocol/devtools_domain_handler.h"
 #include "content/browser/devtools/protocol/service_worker.h"
 #include "content/browser/devtools/service_worker_devtools_agent_host.h"
 #include "content/browser/devtools/service_worker_devtools_manager.h"
 #include "content/browser/service_worker/service_worker_context_observer.h"
 #include "content/browser/service_worker/service_worker_info.h"
 
 namespace content {
 
 class RenderFrameHostImpl;
 class ServiceWorkerContextWatcher;
 class ServiceWorkerContextWrapper;
 
 namespace protocol {
 
-class ServiceWorkerHandler : public ServiceWorker::Backend {
+class ServiceWorkerHandler : public DevToolsDomainHandler,
+                             public ServiceWorker::Backend {
  public:
   ServiceWorkerHandler();
   ~ServiceWorkerHandler() override;
 
-  void Wire(UberDispatcher*);
-  void SetRenderFrameHost(RenderFrameHostImpl* render_frame_host);
+  void Wire(UberDispatcher* dispatcher) override;
+  void SetRenderFrameHost(RenderFrameHostImpl* host) override;
 
   Response Enable() override;
   Response Disable() override;
   Response Unregister(const std::string& scope_url) override;
   Response StartWorker(const std::string& scope_url) override;
   Response SkipWaiting(const std::string& scope_url) override;
   Response StopWorker(const std::string& version_id) override;
   Response UpdateRegistration(const std::string& scope_url) override;
   Response InspectWorker(const std::string& version_id) override;
   Response SetForceUpdateOnPageLoad(bool force_update_on_page_load) override;
@@ skipping 25 matching lines @@
 
   base::WeakPtrFactory<ServiceWorkerHandler> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(ServiceWorkerHandler);
 };
 
 }  // namespace protocol
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_DEVTOOLS_PROTOCOL_SERVICE_WORKER_HANDLER_H_