[chromecast] Pass media task runner to VideoPlaneController.

chromecast/graphics/cast_screen.h

Index: chromecast/graphics/cast_screen.h
diff --git a/chromecast/graphics/cast_screen.h b/chromecast/graphics/cast_screen.h
index 37fcf6c1de1ab93b5854f2aa2688644a781fc27e..ba665be40fd9f11505e02c329d284397325c4d30 100644
--- a/chromecast/graphics/cast_screen.h
+++ b/chromecast/graphics/cast_screen.h
@@ -5,12 +5,13 @@
 #ifndef CHROMECAST_GRAPHICS_CAST_SCREEN_H_
 #define CHROMECAST_GRAPHICS_CAST_SCREEN_H_
 
+#include "base/callback.h"
 #include "base/macros.h"
+#include "chromecast/public/graphics_types.h"
 #include "ui/gfx/display.h"
 #include "ui/gfx/screen.h"
 
 namespace chromecast {
-
 namespace shell {
 class CastBrowserMainParts;
 }  // namespace shell
@@ -24,6 +25,9 @@ class CastScreen : public gfx::Screen {
  public:
   ~CastScreen() override;
 
+  using DisplayResizeCallback = base::Callback<void(const Size&)>;
+  void SetDisplayResizeCallback(const DisplayResizeCallback& cb);
+
   // Updates the primary display size.
   void UpdateDisplaySize(const gfx::Size& size);
 
@@ -44,6 +48,7 @@ class CastScreen : public gfx::Screen {
   CastScreen();
 
   gfx::Display display_;
+  DisplayResizeCallback display_resize_cb_;
 
   friend class shell::CastBrowserMainParts;