Remove EventExecutor dependency on VideoFrameCapturer.

remoting/host/desktop_environment.cc

Index: remoting/host/desktop_environment.cc
diff --git a/remoting/host/desktop_environment.cc b/remoting/host/desktop_environment.cc
index 7f782de0c7c2ed7be9ddd33999643d8f1385cc24..179a8e3ad1540a7d10e2634a0c8e4ba90390e219 100644
--- a/remoting/host/desktop_environment.cc
+++ b/remoting/host/desktop_environment.cc
@@ -22,8 +22,7 @@ scoped_ptr<DesktopEnvironment> DesktopEnvironment::Create(
     ChromotingHostContext* context) {
   scoped_ptr<VideoFrameCapturer> capturer(VideoFrameCapturer::Create());
   scoped_ptr<EventExecutor> event_executor = EventExecutor::Create(
-      context->desktop_task_runner(), context->ui_task_runner(),
-      capturer.get());
+      context->desktop_task_runner(), context->ui_task_runner());
   scoped_ptr<AudioCapturer> audio_capturer = AudioCapturer::Create();
 
   if (capturer.get() == NULL || event_executor.get() == NULL) {
@@ -43,8 +42,7 @@ scoped_ptr<DesktopEnvironment> DesktopEnvironment::CreateForService(
     ChromotingHostContext* context) {
   scoped_ptr<VideoFrameCapturer> capturer(VideoFrameCapturer::Create());
   scoped_ptr<EventExecutor> event_executor = EventExecutor::Create(
-      context->desktop_task_runner(), context->ui_task_runner(),
-      capturer.get());
+      context->desktop_task_runner(), context->ui_task_runner());
   scoped_ptr<AudioCapturer> audio_capturer = AudioCapturer::Create();
 
   if (capturer.get() == NULL || event_executor.get() == NULL) {