Remove unused Canvas::DrawStringRectWithShadows().

ui/gfx/canvas.cc

Index: ui/gfx/canvas.cc
diff --git a/ui/gfx/canvas.cc b/ui/gfx/canvas.cc
index 9e82c7fc411256174891b9d69c6c7a6ca91b9e78..5f2bff9758d907a700e918c7ee3b4feec33fa91a 100644
--- a/ui/gfx/canvas.cc
+++ b/ui/gfx/canvas.cc
@@ -463,15 +463,6 @@ void Canvas::DrawStringRect(const base::string16& text,
                           DefaultCanvasTextAlignment());
 }
 
-void Canvas::DrawStringRectWithFlags(const base::string16& text,
-                                     const FontList& font_list,
-                                     SkColor color,
-                                     const Rect& display_rect,
-                                     int flags) {
-  DrawStringRectWithShadows(text, font_list, color, display_rect, 0, flags,
-                            ShadowValues());
-}
-
 void Canvas::TileImageInt(const ImageSkia& image,
                           int x,
                           int y,