Allow CanvasSkia to bind to an existing SkCanvas.

chrome/common/badge_util.cc

Index: chrome/common/badge_util.cc
diff --git a/chrome/common/badge_util.cc b/chrome/common/badge_util.cc
index 464972675bc1b580653dbc9c6eae0c67430cd6e7..3175de82ba94423be9d3d5243f18b1407ab1beae 100644
--- a/chrome/common/badge_util.cc
+++ b/chrome/common/badge_util.cc
@@ -92,7 +92,8 @@ SkBitmap DrawBadgeIconOverlay(const SkBitmap& icon,
   // add 'font_size - 1' to the height.
   SkScalar x = (badge_width - text_width)/2;
   SkScalar y = (icon.height() - font_size)/2 + font_size - 1;
-  canvas->drawText(badge_text.c_str(), badge_text.size(), x, y, *paint);
+  canvas->sk_canvas()->drawText(
+      badge_text.c_str(), badge_text.size(), x, y, *paint);
 
   // Return the generated image.
   return canvas->ExtractBitmap();