Implement GpuArcVideoService for arc video accelerator

chrome/browser/chromeos/chrome_browser_main_chromeos.cc

Index: chrome/browser/chromeos/chrome_browser_main_chromeos.cc
diff --git a/chrome/browser/chromeos/chrome_browser_main_chromeos.cc b/chrome/browser/chromeos/chrome_browser_main_chromeos.cc
index 33f04e40579d200af13601afef5a76be035a70e6..7ad43302188e9d6ba0fcb0d086ea51035351f882 100644
--- a/chrome/browser/chromeos/chrome_browser_main_chromeos.cc
+++ b/chrome/browser/chromeos/chrome_browser_main_chromeos.cc
@@ -122,6 +122,7 @@
 #include "components/user_manager/user.h"
 #include "components/user_manager/user_manager.h"
 #include "components/wallpaper/wallpaper_manager_base.h"
+#include "content/browser/gpu/gpu_arc_video_service_host.h"
 #include "content/public/browser/browser_thread.h"
 #include "content/public/browser/notification_service.h"
 #include "content/public/common/content_switches.h"
@@ -392,7 +393,8 @@ void ChromeBrowserMainPartsChromeos::PreMainMessageLoopRun() {
   wake_on_wifi_manager_.reset(new WakeOnWifiManager());
 
   arc_service_manager_.reset(new arc::ArcServiceManager(
-      make_scoped_ptr(new arc::ArcSettingsBridgeImpl())));
+      make_scoped_ptr(new arc::ArcSettingsBridgeImpl()),
+      make_scoped_ptr(new content::GpuArcVideoServiceHost())));
   arc_service_manager_->arc_bridge_service()->DetectAvailability();
 
   chromeos::ResourceReporter::GetInstance()->StartMonitoring();