Add the button style for combobox

ui/views/painter.h

Index: ui/views/painter.h
diff --git a/ui/views/painter.h b/ui/views/painter.h
index c0ff443d3ac57433f48deb672d9bde7ba0483214..cbd4d6263a40297cbba135d01d6f4c3b301d9845 100644
--- a/ui/views/painter.h
+++ b/ui/views/painter.h
@@ -23,6 +23,11 @@ class Size;
                         x ## _LEFT,        x ## _CENTER, x ## _RIGHT, \
                         x ## _BOTTOM_LEFT, x ## _BOTTOM, x ## _BOTTOM_RIGHT, }
 
+#define IMAGE_GRID2(x, y) { \

[sky, 2013/12/02 21:28:55]

Why do you need a new macro for this? Can't you embed the y in the name, eg
IDR_COMBOBOX_BUTTON_BOTTOM_H and IDR_COMBOBOX_BUTTON_BOTTOM_P ?

[hajimehoshi, 2013/12/03 10:30:52]

Done.

+    x ## _TOP_LEFT_ ## y,    x ## _TOP_ ## y,    x ## _TOP_RIGHT_ ## y, \
+    x ## _LEFT_ ## y,        x ## _CENTER_ ## y, x ## _RIGHT_ ## y, \
+    x ## _BOTTOM_LEFT_ ## y, x ## _BOTTOM_ ## y, x ## _BOTTOM_RIGHT_ ## y, }
+
 namespace views {
 
 // Painter, as the name implies, is responsible for painting in a particular