Use IpcVideoFrameCapturer on network thread instead of capturer thread.

remoting/host/it2me_desktop_environment.cc

Index: remoting/host/it2me_desktop_environment.cc
diff --git a/remoting/host/it2me_desktop_environment.cc b/remoting/host/it2me_desktop_environment.cc
index 511f4cc12e33331434cb62122427b643f11de455..f2f7cf059f2ba34df0b773a56fb27d5504f3710d 100644
--- a/remoting/host/it2me_desktop_environment.cc
+++ b/remoting/host/it2me_desktop_environment.cc
@@ -27,11 +27,13 @@ It2MeDesktopEnvironment::~It2MeDesktopEnvironment() {
 
 It2MeDesktopEnvironment::It2MeDesktopEnvironment(
     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,
     base::WeakPtr<ClientSessionControl> client_session_control,
     bool supports_touch_events)
     : BasicDesktopEnvironment(caller_task_runner,
+                              video_capture_task_runner,
                               input_task_runner,
                               ui_task_runner,
                               supports_touch_events) {
@@ -72,25 +74,23 @@ It2MeDesktopEnvironment::It2MeDesktopEnvironment(
 
 It2MeDesktopEnvironmentFactory::It2MeDesktopEnvironmentFactory(
     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)
     : BasicDesktopEnvironmentFactory(caller_task_runner,
+                                     video_capture_task_runner,
                                      input_task_runner,
-                                     ui_task_runner) {
-}
+                                     ui_task_runner) {}
 
-It2MeDesktopEnvironmentFactory::~It2MeDesktopEnvironmentFactory() {
-}
+It2MeDesktopEnvironmentFactory::~It2MeDesktopEnvironmentFactory() {}
 
 scoped_ptr<DesktopEnvironment> It2MeDesktopEnvironmentFactory::Create(
     base::WeakPtr<ClientSessionControl> client_session_control) {
   DCHECK(caller_task_runner()->BelongsToCurrentThread());
 
-  return make_scoped_ptr(new It2MeDesktopEnvironment(caller_task_runner(),
-                                                     input_task_runner(),
-                                                     ui_task_runner(),
-                                                     client_session_control,
-                                                     supports_touch_events()));
+  return make_scoped_ptr(new It2MeDesktopEnvironment(
+      caller_task_runner(), video_capture_task_runner(), input_task_runner(),
+      ui_task_runner(), client_session_control, supports_touch_events()));
 }
 
 }  // namespace remoting