nodejs-electron/bad-font-gc00.patch

Revert the following commit:

commit 59daae50fc3c47f7a8dbcc828446fdaa9f8c12c4
Author: Ian Kilpatrick <ikilpatrick@chromium.org>
Date:   Tue Feb 20 18:35:11 2024 +0000

    [gc] Make OpenTypeVerticalData gc'd.
    
    There should be no user-visible behaviour change.
    
    Bug: 41490008
    Change-Id: Id93c85a7beb710944e07cff614cff2409c818436
    Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/5302893
    Commit-Queue: Ian Kilpatrick <ikilpatrick@chromium.org>
    Reviewed-by: Dominik Röttsches <drott@chromium.org>
    Cr-Commit-Position: refs/heads/main@{#1262805}

--- a/third_party/blink/renderer/platform/fonts/font_platform_data.cc
+++ b/third_party/blink/renderer/platform/fonts/font_platform_data.cc
@@ -308,6 +308,11 @@ SkFont FontPlatformData::CreateSkFont(co
 }
 #endif  // !BUILDFLAG(IS_MAC) && !BUILDFLAG(IS_WIN) && !BUILDFLAG(IS_IOS)
 
+scoped_refptr<OpenTypeVerticalData> FontPlatformData::CreateVerticalData()
+    const {
+  return OpenTypeVerticalData::CreateUnscaled(typeface_);
+}
+
 IdentifiableToken FontPlatformData::ComputeTypefaceDigest() const {
   DCHECK(typeface_);
   int table_count = typeface_->countTables();
--- a/third_party/blink/renderer/platform/fonts/font_platform_data.h
+++ b/third_party/blink/renderer/platform/fonts/font_platform_data.h
@@ -59,6 +59,7 @@ typedef const struct __CTFont* CTFontRef
 namespace blink {
 
 class HarfBuzzFace;
+class OpenTypeVerticalData;
 
 class PLATFORM_EXPORT FontPlatformData
     : public GarbageCollected<FontPlatformData> {
@@ -137,6 +138,8 @@ class PLATFORM_EXPORT FontPlatformData
 
   SkFont CreateSkFont(const FontDescription* = nullptr) const;
 
+  scoped_refptr<OpenTypeVerticalData> CreateVerticalData() const;
+
   // Computes a digest from the typeface. The digest only depends on the
   // underlying font itself, and does not vary by the style (size, weight,
   // italics, etc). This is aimed at discovering the fingerprinting information
--- a/third_party/blink/renderer/platform/fonts/opentype/open_type_vertical_data.h
+++ b/third_party/blink/renderer/platform/fonts/opentype/open_type_vertical_data.h
@@ -27,10 +27,10 @@
 
 #include "base/memory/scoped_refptr.h"
 #include "third_party/blink/renderer/platform/fonts/glyph.h"
-#include "third_party/blink/renderer/platform/heap/garbage_collected.h"
 #include "third_party/blink/renderer/platform/platform_export.h"
 #include "third_party/blink/renderer/platform/wtf/allocator/allocator.h"
 #include "third_party/blink/renderer/platform/wtf/hash_map.h"
+#include "third_party/blink/renderer/platform/wtf/ref_counted.h"
 #include "third_party/blink/renderer/platform/wtf/vector.h"
 #include "third_party/skia/include/core/SkRefCnt.h"
 #include "third_party/skia/include/core/SkTypeface.h"
@@ -40,11 +40,14 @@ class SkFont;
 namespace blink {
 
 class PLATFORM_EXPORT OpenTypeVerticalData
-    : public GarbageCollected<OpenTypeVerticalData> {
- public:
-  explicit OpenTypeVerticalData(sk_sp<SkTypeface>);
+    : public RefCounted<OpenTypeVerticalData> {
+  USING_FAST_MALLOC(OpenTypeVerticalData);
 
-  void Trace(Visitor*) const {}
+ public:
+  static scoped_refptr<OpenTypeVerticalData> CreateUnscaled(
+      sk_sp<SkTypeface> typeface) {
+    return base::AdoptRef(new OpenTypeVerticalData(typeface));
+  }
 
   void SetScaleAndFallbackMetrics(float size_per_unit,
                                   float ascent,
@@ -60,6 +63,8 @@ class PLATFORM_EXPORT OpenTypeVerticalDa
                                         float* out_xy_array) const;
 
  private:
+  explicit OpenTypeVerticalData(sk_sp<SkTypeface>);
+
   void LoadMetrics(sk_sp<SkTypeface>);
   bool HasVORG() const { return !vert_origin_y_.empty(); }
 
--- a/third_party/blink/renderer/platform/fonts/shaping/harfbuzz_face.cc
+++ b/third_party/blink/renderer/platform/fonts/shaping/harfbuzz_face.cc
@@ -167,7 +167,8 @@ static hb_bool_t HarfBuzzGetGlyphVertica
                                                 void* user_data) {
   HarfBuzzFontData* hb_font_data =
       reinterpret_cast<HarfBuzzFontData*>(font_data);
-  OpenTypeVerticalData* vertical_data = hb_font_data->VerticalData();
+  scoped_refptr<OpenTypeVerticalData> vertical_data =
+      hb_font_data->VerticalData();
   if (!vertical_data)
     return false;
 
@@ -186,7 +187,8 @@ static hb_position_t HarfBuzzGetGlyphVer
                                                      void* user_data) {
   HarfBuzzFontData* hb_font_data =
       reinterpret_cast<HarfBuzzFontData*>(font_data);
-  OpenTypeVerticalData* vertical_data = hb_font_data->VerticalData();
+  scoped_refptr<OpenTypeVerticalData> vertical_data =
+      hb_font_data->VerticalData();
   if (!vertical_data) {
     return SkiaScalarToHarfBuzzPosition(hb_font_data->height_fallback_);
   }
--- a/third_party/blink/renderer/platform/fonts/shaping/harfbuzz_font_data.h
+++ b/third_party/blink/renderer/platform/fonts/shaping/harfbuzz_font_data.h
@@ -32,10 +32,7 @@ struct HarfBuzzFontData final : public G
   HarfBuzzFontData(const HarfBuzzFontData&) = delete;
   HarfBuzzFontData& operator=(const HarfBuzzFontData&) = delete;
 
-  void Trace(Visitor* visitor) const {
-    visitor->Trace(vertical_data_);
-    visitor->Trace(range_set_);
-  }
+  void Trace(Visitor* visitor) const { visitor->Trace(range_set_); }
 
   // The vertical origin and vertical advance functions in HarfBuzzFace require
   // the ascent and height metrics as fallback in case no specific vertical
@@ -70,18 +67,18 @@ struct HarfBuzzFontData final : public G
     }
   }
 
-  OpenTypeVerticalData* VerticalData() {
+  scoped_refptr<OpenTypeVerticalData> VerticalData() {
     if (!vertical_data_) {
       DCHECK_NE(ascent_fallback_, kInvalidFallbackMetricsValue);
       DCHECK_NE(height_fallback_, kInvalidFallbackMetricsValue);
       DCHECK_NE(size_per_unit_, kInvalidFallbackMetricsValue);
 
       vertical_data_ =
-          MakeGarbageCollected<OpenTypeVerticalData>(font_.refTypeface());
+          OpenTypeVerticalData::CreateUnscaled(font_.refTypeface());
     }
     vertical_data_->SetScaleAndFallbackMetrics(size_per_unit_, ascent_fallback_,
                                                height_fallback_);
-    return vertical_data_.Get();
+    return vertical_data_;
   }
 
   const hb::unique_ptr<hb_font_t> unscaled_font_;
@@ -100,7 +97,7 @@ struct HarfBuzzFontData final : public G
   SpaceGlyphInOpenTypeTables space_in_gsub_ =
       SpaceGlyphInOpenTypeTables::kUnknown;
 
-  Member<OpenTypeVerticalData> vertical_data_;
+  scoped_refptr<OpenTypeVerticalData> vertical_data_;
   Member<const UnicodeRangeSet> range_set_;
 };