Use IpcVideoFrameCapturer on network thread instead of capturer thread.

remoting/host/ipc_desktop_environment.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 REMOTING_HOST_IPC_DESKTOP_ENVIRONMENT_H_
 #define REMOTING_HOST_IPC_DESKTOP_ENVIRONMENT_H_
 
 #include <map>
 #include <string>
 
@@ skipping 23 matching lines @@
 // A variant of desktop environment integrating with the desktop by means of
 // a helper process and talking to that process via IPC.
 class IpcDesktopEnvironment : public DesktopEnvironment {
  public:
   // |desktop_session_connector| is used to bind DesktopSessionProxy to
   // a desktop session, to be notified every time the desktop process is
   // restarted.
   IpcDesktopEnvironment(
       scoped_refptr<base::SingleThreadTaskRunner> audio_task_runner,
       scoped_refptr<base::SingleThreadTaskRunner> caller_task_runner,
-      scoped_refptr<base::SingleThreadTaskRunner> capture_task_runner,
       scoped_refptr<base::SingleThreadTaskRunner> io_task_runner,
       base::WeakPtr<ClientSessionControl> client_session_control,
       base::WeakPtr<DesktopSessionConnector> desktop_session_connector,
       bool virtual_terminal,
       bool supports_touch_events);
   ~IpcDesktopEnvironment() override;
 
   // DesktopEnvironment implementation.
   scoped_ptr<AudioCapturer> CreateAudioCapturer() override;
   scoped_ptr<InputInjector> CreateInputInjector() override;
@@ skipping 15 matching lines @@
 // a helper process and talking to that process via IPC.
 class IpcDesktopEnvironmentFactory
     : public DesktopEnvironmentFactory,
       public DesktopSessionConnector {
  public:
   // Passes a reference to the IPC channel connected to the daemon process and
   // relevant task runners. |daemon_channel| must outlive this object.
   IpcDesktopEnvironmentFactory(
       scoped_refptr<base::SingleThreadTaskRunner> audio_task_runner,
       scoped_refptr<base::SingleThreadTaskRunner> caller_task_runner,
-      scoped_refptr<base::SingleThreadTaskRunner> capture_task_runner,
       scoped_refptr<base::SingleThreadTaskRunner> io_task_runner,
       IPC::Sender* daemon_channel);
   ~IpcDesktopEnvironmentFactory() override;
 
   // DesktopEnvironmentFactory implementation.
   scoped_ptr<DesktopEnvironment> Create(
       base::WeakPtr<ClientSessionControl> client_session_control) override;
   void SetEnableCurtaining(bool enable) override;
   bool SupportsAudioCapture() const override;
 
@@ skipping 16 matching lines @@
   }
 
  private:
   // Used to run the audio capturer.
   scoped_refptr<base::SingleThreadTaskRunner> audio_task_runner_;
 
   // Task runner on which methods of DesktopEnvironmentFactory interface should
   // be called.
   scoped_refptr<base::SingleThreadTaskRunner> caller_task_runner_;
 
-  // Used to run the video capturer.
-  scoped_refptr<base::SingleThreadTaskRunner> capture_task_runner_;
-
   // Task runner used for running background I/O.
   scoped_refptr<base::SingleThreadTaskRunner> io_task_runner_;
 
   // True if curtain mode is enabled.
-  bool curtain_enabled_;
+  bool curtain_enabled_ = false;
 
   // IPC channel connected to the daemon process.
   IPC::Sender* daemon_channel_;
 
   // List of DesktopEnvironment instances we've told the daemon process about.
   typedef std::map<int, DesktopSessionProxy*> ActiveConnectionsList;
   ActiveConnectionsList active_connections_;
 
   // Next desktop session ID. IDs are allocated sequentially starting from 0.
   // This gives us more than 67 years of unique IDs assuming a new ID is
   // allocated every second.
-  int next_id_;
+  int next_id_ = 0;
+
+  // If true then the newly Create()ed desktop environments support touch
+  // events.

[joedow, 2016/02/05 21:39:26]

nit: Reword: Defines whether desktop environments created by this factory will
support touch events by default.

[Sergey Ulanov, 2016/02/05 21:51:20]

Done. Note that this is no a new comment. I just reordered members because they
were in a wrong order.

+  bool supports_touch_events_ = false;
 
   // Factory for weak pointers to DesktopSessionConnector interface.
   base::WeakPtrFactory<DesktopSessionConnector> connector_factory_;
 
-  // If true then the newly Create()ed desktop environments support touch
-  // events.
-  bool supports_touch_events_;
-
   DISALLOW_COPY_AND_ASSIGN(IpcDesktopEnvironmentFactory);
 };
 
 }  // namespace remoting
 
 #endif  // REMOTING_HOST_IPC_DESKTOP_ENVIRONMENT_H_