Windowless plugins: basic drawing works.

skia/ext/platform_canvas_linux.cc

Index: skia/ext/platform_canvas_linux.cc
diff --git a/skia/ext/platform_canvas_linux.cc b/skia/ext/platform_canvas_linux.cc
index 422693ca958496d134051231576733590137b030..e8417cd2830d88953a3211c233a50fb6d140bfeb 100644
--- a/skia/ext/platform_canvas_linux.cc
+++ b/skia/ext/platform_canvas_linux.cc
@@ -73,6 +73,10 @@ SkDevice* PlatformCanvasLinux::createPlatformDevice(int width,
   return BitmapPlatformDeviceLinux::Create(width, height, is_opaque);
 }
 
+PlatformDeviceLinux::XDrawable PlatformCanvasLinux::getXDrawable() {
+  return getTopPlatformDevice().GetXDrawable();
+}
+
 // static
 size_t PlatformCanvasLinux::StrideForWidth(unsigned width) {
   return cairo_format_stride_for_width(CAIRO_FORMAT_ARGB32, width);