media: Add MediaOzonePlatform support

ui/ozone/platform/dri/ozone_platform_dri.cc

Index: ui/ozone/platform/dri/ozone_platform_dri.cc
diff --git a/ui/ozone/platform/dri/ozone_platform_dri.cc b/ui/ozone/platform/dri/ozone_platform_dri.cc
index 09dadb31f632dcecf2d0a3712b44aea07a7e9ce1..f9854ff780b46672a0b3634c85bd0495d0476ebc 100644
--- a/ui/ozone/platform/dri/ozone_platform_dri.cc
+++ b/ui/ozone/platform/dri/ozone_platform_dri.cc
@@ -8,6 +8,7 @@
 #include "ui/events/ozone/evdev/cursor_delegate_evdev.h"
 #include "ui/events/ozone/evdev/event_factory_evdev.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/platform/dri/cursor_factory_evdev_dri.h"
 #include "ui/ozone/platform/dri/dri_surface_factory.h"
@@ -46,6 +47,10 @@ class OzonePlatformDri : public OzonePlatform {
   virtual ui::CursorFactoryOzone* GetCursorFactoryOzone() OVERRIDE {
     return &cursor_factory_ozone_;
   }
+  virtual ui::VideoDecodeFactoryOzone* GetVideoDecodeFactoryOzone()
+      OVERRIDE {
+    return &video_decode_factory_ozone_;
+  }
 #if defined(OS_CHROMEOS)
   virtual scoped_ptr<ui::NativeDisplayDelegate> CreateNativeDisplayDelegate()
       OVERRIDE {
@@ -63,6 +68,7 @@ class OzonePlatformDri : public OzonePlatform {
   ui::EventFactoryEvdev event_factory_ozone_;
   // This creates a minimal input context.
   ui::InputMethodContextFactoryOzone input_method_context_factory_ozone_;
+  ui::VideoDecodeFactoryOzone video_decode_factory_ozone_;
 
   DISALLOW_COPY_AND_ASSIGN(OzonePlatformDri);
 };