RenderText: Allow strike-through line thickness to be customized.

ui/gfx/render_text_harfbuzz.cc

Index: ui/gfx/render_text_harfbuzz.cc
diff --git a/ui/gfx/render_text_harfbuzz.cc b/ui/gfx/render_text_harfbuzz.cc
index 97dcfec8a35e8ba2c4f1ef62af5fe0120251dd8c..2f0286217a546b758e894302afbff262409ecf2c 100644
--- a/ui/gfx/render_text_harfbuzz.cc
+++ b/ui/gfx/render_text_harfbuzz.cc
@@ -1316,8 +1316,11 @@ void RenderTextHarfBuzz::DrawVisualText(internal::SkiaTextRenderer* renderer) {
                 ? (SkFloatToScalar(segment.width()) + preceding_segment_widths +
                    SkIntToScalar(origin.x()))
                 : positions[colored_glyphs.end() - glyphs_range.start()].x());
-        renderer->DrawDecorations(start_x, origin.y(), end_x - start_x,
-                                  run.underline, run.strike);
+        if (run.underline)
+          renderer->DrawUnderline(start_x, origin.y(), end_x - start_x);
+        if (run.strike)
+          renderer->DrawStrike(start_x, origin.y(), end_x - start_x,
+                               strike_thickness_factor());
       }
       preceding_segment_widths += SkFloatToScalar(segment.width());
     }