Allow CanvasSkia to bind to an existing SkCanvas.

views/controls/menu/menu_win.cc

Index: views/controls/menu/menu_win.cc
diff --git a/views/controls/menu/menu_win.cc b/views/controls/menu/menu_win.cc
index 5c1d487c0aca84db5e341a3c0780174121499ddc..031f4fe01636af6a0ab1f5618d435e1698507f66 100644
--- a/views/controls/menu/menu_win.cc
+++ b/views/controls/menu/menu_win.cc
@@ -186,10 +186,10 @@ class MenuHostWindow : public ui::WindowImpl {
       // by the label.
       if (data->icon.width() != 0 && data->icon.height() != 0) {
         gfx::CanvasSkia canvas(data->icon.width(), data->icon.height(), false);
-        canvas.drawColor(SK_ColorBLACK, SkXfermode::kClear_Mode);
+        canvas.sk_canvas()->drawColor(SK_ColorBLACK, SkXfermode::kClear_Mode);
         canvas.DrawBitmapInt(data->icon, 0, 0);
         skia::DrawToNativeContext(
-            &canvas, hDC, lpdis->rcItem.left + kItemLeftMargin,
+            canvas.sk_canvas(), hDC, lpdis->rcItem.left + kItemLeftMargin,
             lpdis->rcItem.top + (lpdis->rcItem.bottom - lpdis->rcItem.top -
                 data->icon.height()) / 2, NULL);
       }