media: Add MediaOzonePlatform support

ui/ozone/ozone_platform.cc

Index: ui/ozone/ozone_platform.cc
diff --git a/ui/ozone/ozone_platform.cc b/ui/ozone/ozone_platform.cc
index e8199b2ce93f86846235f73b8459b9f650859d5f..97c3660d19b195446d6af4738b8df1fa641f544d 100644
--- a/ui/ozone/ozone_platform.cc
+++ b/ui/ozone/ozone_platform.cc
@@ -9,6 +9,7 @@
 #include "ui/events/ozone/event_factory_ozone.h"
 #include "ui/gfx/ozone/surface_factory_ozone.h"
 #include "ui/ozone/ime/input_method_context_factory_ozone.h"
+#include "ui/ozone/media/video_decode_factory_ozone.h"
 #include "ui/ozone/ozone_platform.h"
 #include "ui/ozone/ozone_platform_list.h"
 #include "ui/ozone/ozone_switches.h"
@@ -46,6 +47,7 @@ OzonePlatform::~OzonePlatform() {
   gfx::SurfaceFactoryOzone::SetInstance(NULL);
   ui::EventFactoryOzone::SetInstance(NULL);
   ui::CursorFactoryOzone::SetInstance(NULL);
+  ui::VideoDecodeFactoryOzone::SetInstance(NULL);
 }
 
 // static
@@ -65,6 +67,8 @@ void OzonePlatform::Initialize() {
   ui::InputMethodContextFactoryOzone::SetInstance(
       instance_->GetInputMethodContextFactoryOzone());
   ui::CursorFactoryOzone::SetInstance(instance_->GetCursorFactoryOzone());
+  ui::VideoDecodeFactoryOzone::SetInstance(
+      instance_->GetVideoDecodeFactoryOzone());
 }
 
 // static