Use IpcVideoFrameCapturer on network thread instead of capturer thread.

remoting/host/single_window_desktop_environment.cc

 // 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.
 
 #include "remoting/host/single_window_desktop_environment.h"
 
 #include <utility>
 
 #include "base/logging.h"
 #include "base/macros.h"
@@ skipping 11 matching lines @@
   ~SingleWindowDesktopEnvironment() override;
 
   // DesktopEnvironment interface.
   scoped_ptr<webrtc::DesktopCapturer> CreateVideoCapturer() override;
   scoped_ptr<InputInjector> CreateInputInjector() override;
 
  protected:
   friend class SingleWindowDesktopEnvironmentFactory;
   SingleWindowDesktopEnvironment(
       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,
       webrtc::WindowId window_id,
       bool supports_touch_events);
 
  private:
   webrtc::WindowId window_id_;
 
   DISALLOW_COPY_AND_ASSIGN(SingleWindowDesktopEnvironment);
 };
@@ skipping 21 matching lines @@
 
   scoped_ptr<InputInjector> input_injector(
       InputInjector::Create(input_task_runner(),
                             ui_task_runner()));
   return SingleWindowInputInjector::CreateForWindow(
              window_id_, std::move(input_injector));
 }
 
 SingleWindowDesktopEnvironment::SingleWindowDesktopEnvironment(
     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,
     webrtc::WindowId window_id,
     bool supports_touch_events)
     : BasicDesktopEnvironment(caller_task_runner,
+                              video_capture_task_runner,
                               input_task_runner,
                               ui_task_runner,
                               supports_touch_events),
-      window_id_(window_id) {
-}
+      window_id_(window_id) {}
 
 SingleWindowDesktopEnvironmentFactory::SingleWindowDesktopEnvironmentFactory(
     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,
     webrtc::WindowId window_id)
     : BasicDesktopEnvironmentFactory(caller_task_runner,
+                                     video_capture_task_runner,
                                      input_task_runner,
                                      ui_task_runner),
-      window_id_(window_id) {
-}
+      window_id_(window_id) {}
 
 SingleWindowDesktopEnvironmentFactory::
     ~SingleWindowDesktopEnvironmentFactory() {
 }
 
 scoped_ptr<DesktopEnvironment> SingleWindowDesktopEnvironmentFactory::Create(
     base::WeakPtr<ClientSessionControl> client_session_control) {
   DCHECK(caller_task_runner()->BelongsToCurrentThread());
 
-  scoped_ptr<SingleWindowDesktopEnvironment> desktop_environment(
-      new SingleWindowDesktopEnvironment(caller_task_runner(),
-                                         input_task_runner(),
-                                         ui_task_runner(),
-                                         window_id_,
-                                         supports_touch_events()));
-  return std::move(desktop_environment);
+  return make_scoped_ptr(new SingleWindowDesktopEnvironment(
+      caller_task_runner(), video_capture_task_runner(), input_task_runner(),
+      ui_task_runner(), window_id_, supports_touch_events()));
 }
 
 }  // namespace remoting