Replace uses of SkFixed for HarfBuzz conversions.

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 a9a05ef7d153ca44d72278555677de847ae2d403..590537ebe63c281f96724e670dc537190cdada03 100644
--- a/ui/gfx/render_text_harfbuzz.cc
+++ b/ui/gfx/render_text_harfbuzz.cc
@@ -28,6 +28,7 @@
 #include "ui/gfx/geometry/safe_integer_conversions.h"
 #include "ui/gfx/harfbuzz_font_skia.h"
 #include "ui/gfx/range/range_f.h"
+#include "ui/gfx/skia_util.h"
 #include "ui/gfx/text_utils.h"
 #include "ui/gfx/utf16_indexing.h"
 
@@ -1503,12 +1504,14 @@ bool RenderTextHarfBuzz::ShapeRunWithFont(const base::string16& text,
     DCHECK_LE(infos[i].codepoint, std::numeric_limits<uint16_t>::max());
     run->glyphs[i] = static_cast<uint16_t>(infos[i].codepoint);
     run->glyph_to_char[i] = infos[i].cluster;
-    const SkScalar x_offset = SkFixedToScalar(hb_positions[i].x_offset);
-    const SkScalar y_offset = SkFixedToScalar(hb_positions[i].y_offset);
+    const SkScalar x_offset =
+        HarfBuzzUnitsToSkiaScalar(hb_positions[i].x_offset);
+    const SkScalar y_offset =
+        HarfBuzzUnitsToSkiaScalar(hb_positions[i].y_offset);
     run->positions[i].set(run->width + x_offset, -y_offset);
     run->width += (glyph_width_for_test_ > 0)
                       ? glyph_width_for_test_
-                      : SkFixedToFloat(hb_positions[i].x_advance);
+                      : HarfBuzzUnitsToFloat(hb_positions[i].x_advance);
     // Round run widths if subpixel positioning is off to match native behavior.
     if (!run->render_params.subpixel_positioning)
       run->width = std::floor(run->width + 0.5f);