Remove unused Canvas::DrawStringRectWithShadows().

ui/gfx/canvas_notimplemented.cc

Index: ui/gfx/canvas_notimplemented.cc
diff --git a/ui/gfx/canvas_notimplemented.cc b/ui/gfx/canvas_notimplemented.cc
index f31de5a85e37a754408955241c8ed83ca8298d6c..dc661b5b48dd00524fefa551597a4797c88efe8e 100644
--- a/ui/gfx/canvas_notimplemented.cc
+++ b/ui/gfx/canvas_notimplemented.cc
@@ -27,13 +27,11 @@ void Canvas::DrawStringRectWithHalo(const base::string16& text,
   NOTIMPLEMENTED();
 }
 
-void Canvas::DrawStringRectWithShadows(const base::string16& text,
-                                       const FontList& font_list,
-                                       SkColor color,
-                                       const Rect& text_bounds,
-                                       int line_height,
-                                       int flags,
-                                       const ShadowValues& shadows) {
+void Canvas::DrawStringRectWithFlags(const base::string16& text,
+                                     const FontList& font_list,
+                                     SkColor color,
+                                     const Rect& text_bounds,
+                                     int flags) {
   NOTIMPLEMENTED();
 }