Remove gfx::Canvas::DrawStringRectWithHalo.

ui/gfx/render_text.cc

Index: ui/gfx/render_text.cc
diff --git a/ui/gfx/render_text.cc b/ui/gfx/render_text.cc
index 42cb2a3b2cb84653c3dc31546a334818a9a0bf10..2f331567f07ec620a40e47aa57414d42a6cf6b1b 100644
--- a/ui/gfx/render_text.cc
+++ b/ui/gfx/render_text.cc
@@ -25,7 +25,6 @@
 #include "third_party/skia/include/core/SkFontStyle.h"
 #include "third_party/skia/include/core/SkTypeface.h"
 #include "third_party/skia/include/effects/SkGradientShader.h"
-#include "third_party/skia/include/effects/SkMorphologyImageFilter.h"
 #include "ui/gfx/canvas.h"
 #include "ui/gfx/geometry/insets.h"
 #include "ui/gfx/geometry/safe_integer_conversions.h"
@@ -259,10 +258,6 @@ void SkiaTextRenderer::SetShader(sk_sp<SkShader> shader) {
   flags_.setShader(cc::WrapSkShader(std::move(shader)));
 }
 
-void SkiaTextRenderer::SetHaloEffect() {
-  flags_.setImageFilter(SkDilateImageFilter::Make(1, 1, nullptr));
-}
-
 void SkiaTextRenderer::SetUnderlineMetrics(SkScalar thickness,
                                            SkScalar position) {
   underline_thickness_ = thickness;
@@ -865,8 +860,6 @@ void RenderText::Draw(Canvas* canvas) {
 
   if (!text().empty()) {
     internal::SkiaTextRenderer renderer(canvas);
-    if (halo_effect())
-      renderer.SetHaloEffect();
     DrawVisualText(&renderer);
   }