win: Don't VIEWS_EXPORT ImagePainter.

ui/views/painter.cc

Index: ui/views/painter.cc
diff --git a/ui/views/painter.cc b/ui/views/painter.cc
index ed0e65f7f8597f1263f3138df05c98861b0eefaa..df67030ed265a659c7b4d4a7992274b88a41072d 100644
--- a/ui/views/painter.cc
+++ b/ui/views/painter.cc
@@ -163,7 +163,7 @@ void GradientPainter::Paint(gfx::Canvas* canvas, const gfx::Size& size) {
 // ImagePainter ---------------------------------------------------------------
 
 // ImagePainter stores and paints nine images as a scalable grid.
-class VIEWS_EXPORT ImagePainter : public Painter {
+class ImagePainter : public Painter {
  public:
   // Constructs an ImagePainter with the specified image resource ids.
   // See CreateImageGridPainter()'s comment regarding image ID count and order.