Support swap damage rect using eglSwapBuffersWithDamageKHR

ui/ozone/platform/cast/gl_surface_cast.cc

Index: ui/ozone/platform/cast/gl_surface_cast.cc
diff --git a/ui/ozone/platform/cast/gl_surface_cast.cc b/ui/ozone/platform/cast/gl_surface_cast.cc
index 6dc6099cd7d903a45df4e5fdc93e043442557169..1c9d6d6a6af7a0a8f9aa77d17b324998c23cb619 100644
--- a/ui/ozone/platform/cast/gl_surface_cast.cc
+++ b/ui/ozone/platform/cast/gl_surface_cast.cc
@@ -25,6 +25,18 @@ gfx::SwapResult GLSurfaceCast::SwapBuffers() {
   return result;
 }
 
+gfx::SwapResult GLSurfaceCast::PostSubBuffer(int x,
+                                             int y,
+                                             int width,
+                                             int height) {
+  gfx::SwapResult result =
+      NativeViewGLSurfaceEGL::PostSubBuffer(x, y, width, height);
+  if (result == gfx::SwapResult::SWAP_ACK)
+    parent_->OnSwapBuffers();
+
+  return result;
+}
+
 bool GLSurfaceCast::Resize(const gfx::Size& size,
                            float scale_factor,
                            bool has_alpha) {