path: root/chromium-125-debian-bad-font-gc1.patch

This is a revert of the commit below. While it doesn't strictly fix any
bugs, it's needed to support bad-font-gc2.patch building.

commit 9a8fc2e22363c954af239c06798bf85a9c928295
Author: Ian Kilpatrick <ikilpatrick@chromium.org>
Date:   Wed Feb 14 19:35:11 2024 +0000

    [gc] Make FontCustomPlatformData gc'd.
    
    There should be no user-visible behaviour change.
    
    Bug: 41490008
    Change-Id: I6364bf4c5b5dce9f99d8e2d7e1f84537c5493c33
    Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/5293060
    Commit-Queue: Ian Kilpatrick <ikilpatrick@chromium.org>
    Reviewed-by: Dominik Röttsches <drott@chromium.org>
    Cr-Commit-Position: refs/heads/main@{#1260637}

--- a/third_party/blink/renderer/core/css/binary_data_font_face_source.cc
+++ b/third_party/blink/renderer/core/css/binary_data_font_face_source.cc
@@ -27,16 +27,13 @@ BinaryDataFontFaceSource::BinaryDataFont
     return;
   }
   probe::FontsUpdated(context, font_face, String(),
-                      custom_platform_data_.Get());
+                      custom_platform_data_.get());
 }
 
-void BinaryDataFontFaceSource::Trace(Visitor* visitor) const {
-  visitor->Trace(custom_platform_data_);
-  CSSFontFaceSource::Trace(visitor);
-}
+BinaryDataFontFaceSource::~BinaryDataFontFaceSource() = default;
 
 bool BinaryDataFontFaceSource::IsValid() const {
-  return custom_platform_data_;
+  return custom_platform_data_.get();
 }
 
 SimpleFontData* BinaryDataFontFaceSource::CreateFontData(
--- a/third_party/blink/renderer/core/css/binary_data_font_face_source.h
+++ b/third_party/blink/renderer/core/css/binary_data_font_face_source.h
@@ -16,14 +16,14 @@ class FontCustomPlatformData;
 class BinaryDataFontFaceSource final : public CSSFontFaceSource {
  public:
   BinaryDataFontFaceSource(CSSFontFace*, SharedBuffer*, String&);
-  void Trace(Visitor*) const override;
+  ~BinaryDataFontFaceSource() override;
   bool IsValid() const override;
 
  private:
   SimpleFontData* CreateFontData(const FontDescription&,
                                  const FontSelectionCapabilities&) override;
 
-  Member<const FontCustomPlatformData> custom_platform_data_;
+  scoped_refptr<FontCustomPlatformData> custom_platform_data_;
 };
 
 }  // namespace blink
--- a/third_party/blink/renderer/core/css/remote_font_face_source.cc
+++ b/third_party/blink/renderer/core/css/remote_font_face_source.cc
@@ -262,7 +262,7 @@ void RemoteFontFaceSource::NotifyFinishe
         FontInvalidationReason::kFontFaceLoaded);
     if (custom_font_data_) {
       probe::FontsUpdated(execution_context, face_->GetFontFace(),
-                          resource->Url().GetString(), custom_font_data_.Get());
+                          resource->Url().GetString(), custom_font_data_.get());
     }
   }
 }
@@ -456,7 +456,6 @@ void RemoteFontFaceSource::BeginLoadIfNe
 void RemoteFontFaceSource::Trace(Visitor* visitor) const {
   visitor->Trace(face_);
   visitor->Trace(font_selector_);
-  visitor->Trace(custom_font_data_);
   CSSFontFaceSource::Trace(visitor);
   FontResourceClient::Trace(visitor);
 }
--- a/third_party/blink/renderer/core/css/remote_font_face_source.h
+++ b/third_party/blink/renderer/core/css/remote_font_face_source.h
@@ -43,7 +43,7 @@ class RemoteFontFaceSource final : publi
   bool IsPendingDataUrl() const override;
 
   const FontCustomPlatformData* GetCustomPlaftormData() const override {
-    return custom_font_data_.Get();
+    return custom_font_data_.get();
   }
 
   void BeginLoadIfNeeded() override;
@@ -157,7 +157,7 @@ class RemoteFontFaceSource final : publi
   Member<FontSelector> font_selector_;
 
   // |nullptr| if font is not loaded or failed to decode.
-  Member<const FontCustomPlatformData> custom_font_data_;
+  scoped_refptr<FontCustomPlatformData> custom_font_data_;
   // |nullptr| if font is not loaded or failed to decode.
   String url_;
 
--- a/third_party/blink/renderer/core/loader/resource/font_resource.cc
+++ b/third_party/blink/renderer/core/loader/resource/font_resource.cc
@@ -112,7 +112,7 @@ void FontResource::StartLoadLimitTimersI
       kFontLoadWaitLong);
 }
 
-const FontCustomPlatformData* FontResource::GetCustomFontData() {
+scoped_refptr<FontCustomPlatformData> FontResource::GetCustomFontData() {
   if (!font_data_ && !ErrorOccurred() && !IsLoading()) {
     if (Data()) {
       auto decode_start_time = base::TimeTicks::Now();
@@ -225,7 +225,6 @@ void FontResource::AddClearDataObserver(
 }
 
 void FontResource::Trace(Visitor* visitor) const {
-  visitor->Trace(font_data_);
   visitor->Trace(clear_data_observers_);
   Resource::Trace(visitor);
 }
--- a/third_party/blink/renderer/core/loader/resource/font_resource.h
+++ b/third_party/blink/renderer/core/loader/resource/font_resource.h
@@ -72,7 +72,7 @@ class CORE_EXPORT FontResource final : p
 
   String OtsParsingMessage() const { return ots_parsing_message_; }
 
-  const FontCustomPlatformData* GetCustomFontData();
+  scoped_refptr<FontCustomPlatformData> GetCustomFontData();
 
   // Returns true if the loading priority of the remote font resource can be
   // lowered. The loading priority of the font can be lowered only if the
@@ -112,7 +112,7 @@ class CORE_EXPORT FontResource final : p
     kMaxValue = kLongLimitExceeded,
   };
 
-  Member<FontCustomPlatformData> font_data_;
+  scoped_refptr<FontCustomPlatformData> font_data_;
   String ots_parsing_message_;
   LoadLimitState load_limit_state_;
   bool cors_failed_;
--- a/third_party/blink/renderer/platform/fonts/font_custom_platform_data.cc
+++ b/third_party/blink/renderer/platform/fonts/font_custom_platform_data.cc
@@ -115,7 +115,7 @@ const FontPlatformData* FontCustomPlatfo
     const ResolvedFontFeatures& resolved_font_features,
     FontOrientation orientation,
     const FontVariationSettings* variation_settings,
-    const FontPalette* palette) const {
+    const FontPalette* palette) {
   DCHECK(base_typeface_);
 
   sk_sp<SkTypeface> return_typeface = base_typeface_;
@@ -304,7 +304,7 @@ String FontCustomPlatformData::FamilyNam
                           localized_string.fString.size());
 }
 
-FontCustomPlatformData* FontCustomPlatformData::Create(
+scoped_refptr<FontCustomPlatformData> FontCustomPlatformData::Create(
     SharedBuffer* buffer,
     String& ots_parse_message) {
   DCHECK(buffer);
@@ -321,8 +321,8 @@ FontCustomPlatformData* FontCustomPlatfo
   if (v8::Isolate* isolate = v8::Isolate::TryGetCurrent()) {
     isolate->AdjustAmountOfExternalAllocatedMemory(data_size);
   }
-  return MakeGarbageCollected<FontCustomPlatformData>(std::move(typeface),
-                                                      data_size);
+  return base::AdoptRef(
+      new FontCustomPlatformData(std::move(typeface), data_size));
 }
 
 bool FontCustomPlatformData::MayBeIconFont() const {
--- a/third_party/blink/renderer/platform/fonts/font_custom_platform_data.h
+++ b/third_party/blink/renderer/platform/fonts/font_custom_platform_data.h
@@ -39,7 +39,6 @@
 #include "third_party/blink/renderer/platform/fonts/opentype/variable_axes_names.h"
 #include "third_party/blink/renderer/platform/fonts/resolved_font_features.h"
 #include "third_party/blink/renderer/platform/fonts/text_rendering_mode.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/forward.h"
@@ -55,17 +54,16 @@ class FontPlatformData;
 class FontVariationSettings;
 
 class PLATFORM_EXPORT FontCustomPlatformData
-    : public GarbageCollected<FontCustomPlatformData> {
+    : public RefCounted<FontCustomPlatformData> {
+  USING_FAST_MALLOC(FontCustomPlatformData);
+
  public:
-  static FontCustomPlatformData* Create(SharedBuffer*,
-                                        String& ots_parse_message);
-  FontCustomPlatformData(sk_sp<SkTypeface>, size_t data_size);
+  static scoped_refptr<FontCustomPlatformData> Create(SharedBuffer*,
+                                               String& ots_parse_message);
   FontCustomPlatformData(const FontCustomPlatformData&) = delete;
   FontCustomPlatformData& operator=(const FontCustomPlatformData&) = delete;
   ~FontCustomPlatformData();
 
-  void Trace(Visitor*) const {}
-
   // The size argument should come from EffectiveFontSize() and
   // adjusted_specified_size should come from AdjustedSpecifiedSize() of
   // FontDescription. The latter is needed for correctly applying
@@ -82,7 +80,7 @@ class PLATFORM_EXPORT FontCustomPlatform
       const ResolvedFontFeatures& resolved_font_features,
       FontOrientation = FontOrientation::kHorizontal,
       const FontVariationSettings* = nullptr,
-      const FontPalette* = nullptr) const;
+      const FontPalette* = nullptr);
 
   String FamilyNameForInspector() const;
 
@@ -93,6 +91,7 @@ class PLATFORM_EXPORT FontCustomPlatform
   bool MayBeIconFont() const;
 
  private:
+  FontCustomPlatformData(sk_sp<SkTypeface>, size_t data_size);
   sk_sp<SkTypeface> base_typeface_;
   size_t data_size_;
 
--- a/third_party/blink/renderer/platform/testing/font_test_helpers.cc
+++ b/third_party/blink/renderer/platform/testing/font_test_helpers.cc
@@ -29,7 +29,7 @@ class TestFontSelector : public FontSele
   static TestFontSelector* Create(const uint8_t* data, size_t size) {
     scoped_refptr<SharedBuffer> font_buffer = SharedBuffer::Create(data, size);
     String ots_parse_message;
-    FontCustomPlatformData* font_custom_platform_data =
+    scoped_refptr<FontCustomPlatformData> font_custom_platform_data =
         FontCustomPlatformData::Create(font_buffer.get(), ots_parse_message);
     if (!font_custom_platform_data)
       return nullptr;
@@ -37,17 +37,12 @@ class TestFontSelector : public FontSele
         std::move(font_custom_platform_data));
   }
 
-  TestFontSelector(FontCustomPlatformData* custom_platform_data)
-      : custom_platform_data_(custom_platform_data) {
+  TestFontSelector(scoped_refptr<FontCustomPlatformData> custom_platform_data)
+      : custom_platform_data_(std::move(custom_platform_data)) {
     DCHECK(custom_platform_data_);
   }
   ~TestFontSelector() override = default;
 
-  void Trace(Visitor* visitor) const override {
-    visitor->Trace(custom_platform_data_);
-    FontSelector::Trace(visitor);
-  }
-
   FontData* GetFontData(const FontDescription& font_description,
                         const FontFamily&) override {
     FontSelectionCapabilities normal_capabilities(
@@ -117,7 +112,7 @@ class TestFontSelector : public FontSele
   }
 
  private:
-  Member<FontCustomPlatformData> custom_platform_data_;
+  scoped_refptr<FontCustomPlatformData> custom_platform_data_;
 };
 
 }  // namespace