Attribute ops with native surface to Canvas instances, where they only relevant.

skiko/src/jvmMain/kotlin/org/jetbrains/skiko/AWT.kt

 package org.jetbrains.skiko
 
+import java.awt.Canvas
 import java.awt.Component
 
 private val awt = getAWT().also {
     check(it != 0L)
 }
 
-internal fun <T> Component.useDrawingSurfacePlatformInfo(
+internal fun <T> Canvas.useDrawingSurfacePlatformInfo(
     block: (Long) -> T
 ) = useDrawingSurfaceInfo { block(it.platformInfo) }
 
-internal fun <T> Component.useDrawingSurfaceInfo(
+internal fun <T> Canvas.useDrawingSurfaceInfo(
     block: (DrawingSurfaceInfo) -> T
 ): T = getDrawingSurface().use { drawingSurface ->
     drawingSurface.withLock {

skiko/src/jvmMain/kotlin/org/jetbrains/skiko/SkiaWindow.kt

@@ -17,7 +17,7 @@ open class SkiaWindow(
     }
 
     fun disableTitleBar() {
-        useDrawingSurfacePlatformInfo {
+        layer.backedLayer.useDrawingSurfacePlatformInfo {
             platformOperations.disableTitleBar(it)
         }
     }