Use IpcVideoFrameCapturer on network thread instead of capturer thread.

remoting/host/desktop_process_main.cc

 // 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.
 //
 // This file implements the Windows service controlling Me2Me host processes
 // running within user sessions.
 
 #include <utility>
 
 #include "base/bind.h"
@@ skipping 22 matching lines @@
 
   if (channel_name.empty())
     return kUsageExitCode;
 
   base::MessageLoopForUI message_loop;
   base::RunLoop run_loop;
   scoped_refptr<AutoThreadTaskRunner> ui_task_runner =
       new AutoThreadTaskRunner(message_loop.task_runner(),
                                run_loop.QuitClosure());
 
+  // Launch the video capture thread.
+  scoped_refptr<AutoThreadTaskRunner> video_capture_task_runner =
+      AutoThread::Create("Video capture thread", ui_task_runner);
+
   // Launch the input thread.
   scoped_refptr<AutoThreadTaskRunner> input_task_runner =
       AutoThread::CreateWithType(
           "Input thread", ui_task_runner, base::MessageLoop::TYPE_IO);
 
   DesktopProcess desktop_process(ui_task_runner,
                                  input_task_runner,
                                  channel_name);
 
   // Create a platform-dependent environment factory.
   scoped_ptr<DesktopEnvironmentFactory> desktop_environment_factory;
 #if defined(OS_WIN)
-  desktop_environment_factory.reset(
-      new SessionDesktopEnvironmentFactory(
-          ui_task_runner,
-          input_task_runner,
-          ui_task_runner,
-          base::Bind(&DesktopProcess::InjectSas,
-                     desktop_process.AsWeakPtr())));
+  desktop_environment_factory.reset(new SessionDesktopEnvironmentFactory(
+      ui_task_runner, video_capture_task_runner, input_task_runner,
+      ui_task_runner,
+      base::Bind(&DesktopProcess::InjectSas, desktop_process.AsWeakPtr())));
 #else  // !defined(OS_WIN)
   desktop_environment_factory.reset(new Me2MeDesktopEnvironmentFactory(
-      ui_task_runner,
-      input_task_runner,
+      ui_task_runner, video_capture_task_runner, input_task_runner,
       ui_task_runner));
 #endif  // !defined(OS_WIN)
 
   if (!desktop_process.Start(std::move(desktop_environment_factory)))
     return kInitializationFailed;
 
   // Run the UI message loop.
   ui_task_runner = nullptr;
   run_loop.Run();
 
   return kSuccessExitCode;
 }
 
 }  // namespace remoting
 
 #if !defined(OS_WIN)
 int main(int argc, char** argv) {
   return remoting::HostMain(argc, argv);
 }
 #endif  // !defined(OS_WIN)