[DevTools] Move Memory, SystemInfo and Tethering domains to new generator.

content/browser/devtools/protocol/system_info_handler.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_PROTOCOL_SYSTEM_INFO_HANDLER_H_
 #define CONTENT_BROWSER_DEVTOOLS_PROTOCOL_SYSTEM_INFO_HANDLER_H_
 
 #include <set>
 
 #include "base/macros.h"
-#include "content/browser/devtools/protocol/devtools_protocol_dispatcher.h"
+#include "content/browser/devtools/protocol/system_info.h"
 #include "content/public/browser/browser_thread.h"
 #include "content/public/browser/gpu_data_manager_observer.h"
 
 namespace content {
-namespace devtools {
-namespace system_info {
+namespace protocol {
 
-class SystemInfoHandler {
+class SystemInfoHandler : public SystemInfo::Backend {
  public:
-  using Response = DevToolsProtocolClient::Response;
 
   SystemInfoHandler();
-  ~SystemInfoHandler();
+  ~SystemInfoHandler() override;
 
-  void SetClient(std::unique_ptr<Client> client);
+  void Wire(UberDispatcher*);
+  Response Disable() override;
 
-  Response GetInfo(DevToolsCommandId command_id);
+  void GetInfo(std::unique_ptr<GetInfoCallback> callback) override;
 
  private:
   friend class SystemInfoHandlerGpuObserver;
 
-  void SendGetInfoResponse(DevToolsCommandId command_id);
-
-  // Bookkeeping for the active GpuObservers.
-  void AddActiveObserverId(int observer_id);
-  bool RemoveActiveObserverId(int observer_id);
-  void ObserverWatchdogCallback(int observer_id, DevToolsCommandId command_id);
-
-  // For robustness, we have to guarantee a response to getInfo requests.
-  // It's very unlikely that the requests will time out. The
-  // GpuDataManager's threading model is not well defined (see comments in
-  // gpu_data_manager_impl.h) and it is very difficult to correctly clean
-  // up its observers. For the moment, especially since these classes are
-  // only used in tests, we leak a little bit of memory if we don't get a
-  // callback from the GpuDataManager in time.
-  mutable base::Lock lock_;
-  std::set<int> active_observers_;
-
-  std::unique_ptr<Client> client_;
-  base::WeakPtrFactory<SystemInfoHandler> weak_factory_;
+  std::unique_ptr<SystemInfo::Frontend> frontend_;

[caseq, 2016/11/21 23:32:33]

also unused?

[dgozman, 2016/11/22 00:53:39]

Done.

 
   DISALLOW_COPY_AND_ASSIGN(SystemInfoHandler);
 };
 
-}  // namespace system_info
-}  // namespace devtools
+}  // namespace protocol
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_DEVTOOLS_PROTOCOL_SYSTEM_INFO_HANDLER_H_