Move Windows DC-initialization to skia_utils_win.h

ui/views/controls/single_split_view.cc

Index: ui/views/controls/single_split_view.cc
diff --git a/ui/views/controls/single_split_view.cc b/ui/views/controls/single_split_view.cc
index fe50141293ca935f8f35d30e51dcda0c786bebae..542d17f5f16e46648cc971766044fb6830caa4b1 100644
--- a/ui/views/controls/single_split_view.cc
+++ b/ui/views/controls/single_split_view.cc
@@ -4,7 +4,6 @@
 
 #include "ui/views/controls/single_split_view.h"
 
-#include "skia/ext/skia_utils_win.h"
 #include "ui/accessibility/ax_view_state.h"
 #include "ui/base/cursor/cursor.h"
 #include "ui/gfx/canvas.h"
@@ -12,6 +11,10 @@
 #include "ui/views/controls/single_split_view_listener.h"
 #include "ui/views/native_cursor.h"
 
+#if defined(OS_WIN)
+#include "skia/ext/skia_utils_win.h"
+#endif
+
 namespace views {
 
 // static