gfx::Compositor: SchedulePaint.

views/widget/native_widget_gtk.h

Index: views/widget/native_widget_gtk.h
diff --git a/views/widget/native_widget_gtk.h b/views/widget/native_widget_gtk.h
index 798d03591ce907b4fd4ad3a959d28bbeee728a44..29a0f1ea0b4580e73a22c0281e5ce33343b7bfb1 100644
--- a/views/widget/native_widget_gtk.h
+++ b/views/widget/native_widget_gtk.h
@@ -12,6 +12,7 @@
 #include "base/message_loop.h"
 #include "ui/base/gtk/gtk_signal.h"
 #include "ui/base/x/active_window_watcher_x.h"
+#include "ui/gfx/compositor/compositor.h"
 #include "ui/gfx/size.h"
 #include "views/focus/focus_manager.h"
 #include "views/widget/native_widget_private.h"
@@ -41,6 +42,7 @@ class NativeWidgetDelegate;
 
 // Widget implementation for GTK.
 class VIEWS_EXPORT NativeWidgetGtk : public internal::NativeWidgetPrivate,
+                                     public ui::CompositorOwner,
                                      public ui::ActiveWindowWatcherX::Observer {
  public:
   explicit NativeWidgetGtk(internal::NativeWidgetDelegate* delegate);
@@ -297,6 +299,15 @@ class VIEWS_EXPORT NativeWidgetGtk : public internal::NativeWidgetPrivate,
   class DropObserver;
   friend class DropObserver;
 
+  // Overridden from ui::CompositorOwner
+  virtual gfx::AcceleratedWidget GetAcceleratedWidget() {
+    return GDK_WINDOW_XID(window_contents_->window);
+  }
+
+  virtual void PaintNow() {
+    // Do something
+  }
+
   // Overridden from internal::InputMethodDelegate
   virtual void DispatchKeyEventPostIME(const KeyEvent& key) OVERRIDE;