Remove gfx::Canvas::DrawStringRectWithHalo.

ui/gfx/canvas_skia.cc

Index: ui/gfx/canvas_skia.cc
diff --git a/ui/gfx/canvas_skia.cc b/ui/gfx/canvas_skia.cc
index 7ee64d121d4d2c5ba2799b9f8a543f298d009ce5..916ff1caf1dacdad99b23397b8e0318463a42174 100644
--- a/ui/gfx/canvas_skia.cc
+++ b/ui/gfx/canvas_skia.cc
@@ -158,7 +158,6 @@ void Canvas::DrawStringRectWithFlags(const base::string16& text,
   Rect rect(text_bounds);
 
   std::unique_ptr<RenderText> render_text(RenderText::CreateInstance());
-  render_text->set_halo_effect(!!(flags & HALO_EFFECT));
 
   if (flags & MULTI_LINE) {
     WordWrapBehavior wrap_behavior = IGNORE_LONG_WORDS;
@@ -229,24 +228,6 @@ void Canvas::DrawStringRectWithFlags(const base::string16& text,
   canvas_->restore();
 }
 
-void Canvas::DrawStringRectWithHalo(const base::string16& text,
-                                    const FontList& font_list,
-                                    SkColor text_color,
-                                    SkColor halo_color_in,
-                                    const Rect& display_rect,
-                                    int flags) {
-  // Some callers will have semitransparent halo colors, which we don't handle
-  // (since the resulting image can have 1-bit transparency only).
-  SkColor halo_color = SkColorSetA(halo_color_in, 0xFF);
-
-  // Draw the halo.
-  DrawStringRectWithFlags(text, font_list, halo_color, display_rect,
-                          flags | HALO_EFFECT | NO_SUBPIXEL_RENDERING);
-  // Draw the text.
-  DrawStringRectWithFlags(text, font_list, text_color, display_rect,
-                          flags | NO_SUBPIXEL_RENDERING);
-}
-
 void Canvas::DrawFadedString(const base::string16& text,
                              const FontList& font_list,
                              SkColor color,