Sync S9: merge upstream PDFium up to 06fbf69b3 (Oct 10 2026)

.gitignore

@@ -30,9 +30,11 @@
 /third_party/libunwind/src
 /third_party/libjpeg_turbo
 /third_party/libpng
+/third_party/libyuv
 /third_party/llvm
 /third_party/llvm-build
 /third_party/llvm-libc/src
+/third_party/llvm-libclang
 /third_party/markupsafe
 /third_party/nasm
 /third_party/ninja

.gn

@@ -53,6 +53,10 @@ default_args = {
 
   # Adds -Wexit-time-destructors check to match Chromium.
   is_wexit_time_destructors_default = true
+
+  # Avoid pulling libjpeg_turbo into libyuv in standalone builds.
+  libyuv_disable_jpeg = true
+  libyuv_include_tests = false
 }
 
 no_check_targets = [

AUTHORS

@@ -21,6 +21,7 @@ Chenguang Shao <chenguangshao1@gmail.com>
 Chery Cherian <cherycherian@gmail.com>
 Claudio DeSouza <claudiomdsjr@gmail.com>
 Dan Ilan <danilan@gmail.com>
+Deepak Mohan <hop2deep@gmail.com>
 Dmitrii Chunikhin <chunikhindf@gmail.com>
 Dorian Rudolph <dorianrudo97@gmail.com>
 Felix Kauselmann <licorn@gmail.com>
@@ -29,11 +30,13 @@ Haoran Tang <haoran.tang.personal@gmail.com>
 Helmut Januschka <helmut@januschka.com>
 Huy Ngo <huyna89@gmail.com>
 Ivan Odulo <ivanodulo@gmail.com>
+Jan Wytze Zuidema <jwzuid1999@gmail.com>
 Jeroen Bobbeldijk <jerbob92@gmail.com>
 Jiang Jiang <jiangj@opera.com>
 Jimin Lee <cliceleee@gmail.com>
 Justin Pierce <brkfstmnchr@gmail.com>
 Ke Liu <stackexploit@gmail.com>
+Kei Kamikawa <x00.x7f.x86@gmail.com>
 Luật Nguyễn <manhluat93.php@gmail.com>
 Manuel Geißer <geisserml@gmail.com>
 Matt Jolly <kangie@gentoo.org>

BUILD.gn

@@ -15,15 +15,6 @@ group("default") {
   }
 }
 
-group("freetype_common") {
-  public_deps = []
-  if (pdf_bundle_freetype) {
-    public_deps += [ "third_party:fx_freetype" ]
-  } else {
-    public_deps += [ "//build/config/freetype" ]
-  }
-}
-
 config("pdfium_common_config") {
   cflags = []
   cflags_cc = []
@@ -44,6 +35,10 @@ config("pdfium_common_config") {
     defines += [ "PDF_ENABLE_FONTATIONS" ]
   }
 
+  if (pdf_enable_freetype) {
+    defines += [ "PDF_ENABLE_FREETYPE" ]
+  }
+
   if (pdf_enable_rust_bmp) {
     defines += [ "PDF_ENABLE_RUST_BMP" ]
   }
@@ -67,6 +62,10 @@ config("pdfium_common_config") {
     defines += [ "EPDF_THREAD_LOCAL_GLOBALS" ]
   }
 
+  if (pdf_use_libyuv) {
+    defines += [ "PDF_USE_LIBYUV" ]
+  }
+
   if (is_win) {
     # Assume UTF-8 by default to avoid code page dependencies.
     cflags += [ "/utf-8" ]
@@ -269,6 +268,7 @@ source_set("pdfium_public_headers_impl") {
     "public/fpdf_transformpage.h",
     "public/fpdfview.h",
   ]
+  visibility = [ ":*" ]
 }
 
 group("pdfium_public_headers") {
@@ -333,6 +333,17 @@ component("pdfium") {
   }
 }
 
+if (pdf_enable_freetype) {
+  group("freetype_common") {
+    public_deps = []
+    if (pdf_bundle_freetype) {
+      public_deps += [ "third_party:fx_freetype" ]
+    } else {
+      public_deps += [ "//build/config/freetype" ]
+    }
+  }
+}
+
 # Targets below this are only visible within this file.
 visibility = [ ":*" ]
 
@@ -371,6 +382,8 @@ test("pdfium_unittests") {
     "core/fxcrt:unittests",
     "core/fxge:unittests",
     "fpdfsdk:unittests",
+    "testing:test_environments",
+    "testing:test_support",
     "testing:unit_test_support",
     "testing:unittests",
     "testing/png_codec:unittests",
@@ -434,6 +447,8 @@ test("pdfium_embeddertests") {
     "fpdfsdk:embeddertests",
     "fpdfsdk/formfiller:embeddertests",
     "fpdfsdk/pwl:embeddertests",
+    "testing:test_environments",
+    "testing:test_support",
     "testing/png_codec",
     "//testing/gmock",
     "//testing/gtest",