Use IpcVideoFrameCapturer on network thread instead of capturer thread.

remoting/host/me2me_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_ME2ME_DESKTOP_ENVIRONMENT_H_
 #define REMOTING_HOST_ME2ME_DESKTOP_ENVIRONMENT_H_
 
 #include "base/macros.h"
 #include "remoting/host/basic_desktop_environment.h"
 
@@ skipping 12 matching lines @@
   // DesktopEnvironment interface.
   scoped_ptr<ScreenControls> CreateScreenControls() override;
   std::string GetCapabilities() const override;
   scoped_ptr<GnubbyAuthHandler> CreateGnubbyAuthHandler(
       protocol::ClientStub* client_stub) override;
 
  protected:
   friend class Me2MeDesktopEnvironmentFactory;
   Me2MeDesktopEnvironment(
       scoped_refptr<base::SingleThreadTaskRunner> caller_task_runner,
+      scoped_refptr<base::SingleThreadTaskRunner> video_capture_task_runner,
       scoped_refptr<base::SingleThreadTaskRunner> input_task_runner,
       scoped_refptr<base::SingleThreadTaskRunner> ui_task_runner,
       bool supports_touch_events);
 
   // Initializes security features of the desktop environment (the curtain mode
   // and in-session UI).
   bool InitializeSecurity(
       base::WeakPtr<ClientSessionControl> client_session_control,
       bool curtain_enabled);
 
@@ skipping 14 matching lines @@
   bool gnubby_auth_enabled_;
 
   DISALLOW_COPY_AND_ASSIGN(Me2MeDesktopEnvironment);
 };
 
 // Used to create |Me2MeDesktopEnvironment| instances.
 class Me2MeDesktopEnvironmentFactory : public BasicDesktopEnvironmentFactory {
  public:
   Me2MeDesktopEnvironmentFactory(
       scoped_refptr<base::SingleThreadTaskRunner> caller_task_runner,
+      scoped_refptr<base::SingleThreadTaskRunner> video_capture_task_runner,
       scoped_refptr<base::SingleThreadTaskRunner> input_task_runner,
       scoped_refptr<base::SingleThreadTaskRunner> ui_task_runner);
   ~Me2MeDesktopEnvironmentFactory() override;
 
   // DesktopEnvironmentFactory interface.
   scoped_ptr<DesktopEnvironment> Create(
       base::WeakPtr<ClientSessionControl> client_session_control) override;
   void SetEnableCurtaining(bool enable) override;
   void SetEnableGnubbyAuth(bool enable) override;
 
  protected:
   bool curtain_enabled() const { return curtain_enabled_; }
 
  private:
   // True if curtain mode is enabled.
   bool curtain_enabled_;

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

In the other changes you moved the defaults for primitive types from the
initializer lists to the class definition, do you want to do that here as well? 
Not super important so feel free to skip for this CL.

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

Done.

 
   // True if gnubby auth is enabled.
   bool gnubby_auth_enabled_;
 
   DISALLOW_COPY_AND_ASSIGN(Me2MeDesktopEnvironmentFactory);
 };
 
 }  // namespace remoting
 
 #endif  // REMOTING_HOST_ME2ME_DESKTOP_ENVIRONMENT_H_