external: update pdfium to 3794

Change-Id: Ie4c42943445813c7c50bf06cb710cedf2a61f3a9
Reviewed-on: https://gerrit.libreoffice.org/72619
Tested-by: Jenkins
Reviewed-by: Miklos Vajna <vmiklos@collabora.com>

download.lst

@@ -200,8 +200,8 @@ export OWNCLOUD_ANDROID_LIB_SHA256SUM := b18b3e3ef7fae6a79b62f2bb43cc47a5346b633
 export OWNCLOUD_ANDROID_LIB_TARBALL := owncloud-android-library-0.9.4-no-binary-deps.tar.gz
 export PAGEMAKER_SHA256SUM := 66adacd705a7d19895e08eac46d1e851332adf2e736c566bef1164e7a442519d
 export PAGEMAKER_TARBALL := libpagemaker-0.0.4.tar.xz
-export PDFIUM_SHA256SUM := dfaaae78f1d371378c6b715862f9b3b67f9a6857c7864bfaebfd88a962d03bca
-export PDFIUM_TARBALL := pdfium-3730.tar.bz2
+export PDFIUM_SHA256SUM := e3faddcf741336c64ca2e6f72b23e9e60979969b2cf67c878c9a5bc38328cfc4
+export PDFIUM_TARBALL := pdfium-3794.tar.bz2
 export PIXMAN_SHA256SUM := 21b6b249b51c6800dc9553b65106e1e37d0e25df942c90531d4c3997aa20a88e
 export PIXMAN_TARBALL := e80ebae4da01e77f68744319f01d52a3-pixman-0.34.0.tar.gz
 export LIBPNG_SHA256SUM := 505e70834d35383537b6491e7ae8641f1a4bed1876dbfe361201fc80868d88ca

external/pdfium/Library_pdfium.mk

@@ -13,7 +13,8 @@ $(eval $(call gb_Library_use_unpacked,pdfium,pdfium))
 
 $(eval $(call gb_Library_set_warnings_not_errors,pdfium))
 
-$(eval $(call gb_Library_set_precompiled_header,pdfium,$(SRCDIR)/external/pdfium/inc/pch/precompiled_pdfium))
+# FIXME this needs updating
+#$(eval $(call gb_Library_set_precompiled_header,pdfium,$(SRCDIR)/external/pdfium/inc/pch/precompiled_pdfium))
 
 $(eval $(call gb_Library_set_include,pdfium,\
     -I$(call gb_UnpackedTarball_get_dir,pdfium) \
@@ -203,7 +204,6 @@ $(eval $(call gb_Library_add_generated_exception_objects,pdfium,\
     UnpackedTarball/pdfium/core/fpdfapi/page/cpdf_pagemodule \
     UnpackedTarball/pdfium/core/fpdfapi/page/cpdf_pageobject \
     UnpackedTarball/pdfium/core/fpdfapi/page/cpdf_pageobjectholder \
-    UnpackedTarball/pdfium/core/fpdfapi/page/cpdf_pageobjectlist \
     UnpackedTarball/pdfium/core/fpdfapi/page/cpdf_path \
     UnpackedTarball/pdfium/core/fpdfapi/page/cpdf_pathobject \
     UnpackedTarball/pdfium/core/fpdfapi/page/cpdf_pattern \
@@ -633,6 +633,7 @@ $(eval $(call gb_Library_add_generated_exception_objects,pdfium,\
     UnpackedTarball/pdfium/core/fxge/win32/fx_win32_gdipext \
     UnpackedTarball/pdfium/core/fxge/win32/fx_win32_print \
     UnpackedTarball/pdfium/core/fxcrt/cfx_fileaccess_windows \
+    UnpackedTarball/pdfium/third_party/base/win/win_util \
 ))
 
 $(eval $(call gb_Library_use_system_win32_libs,pdfium,\

external/pdfium/UnpackedTarball_pdfium.mk

@@ -12,6 +12,8 @@ pdfium_patches += visibility.patch.1
 pdfium_patches += ubsan.patch
 # Fixes build on our baseline.
 pdfium_patches += build.patch.1
+# Avoids Windows 8 build dependency.
+pdfium_patches += windows7.patch.1
 
 $(eval $(call gb_UnpackedTarball_UnpackedTarball,pdfium))
 
@@ -41,7 +43,8 @@ $(eval $(call gb_UnpackedTarball_set_post_action,pdfium,\
     mv third_party/base/allocator/partition_allocator/partition_bucket.cc third_party/base/allocator/partition_allocator/partition_bucket.cpp && \
     mv third_party/base/allocator/partition_allocator/partition_oom.cc third_party/base/allocator/partition_allocator/partition_oom.cpp && \
     mv third_party/base/allocator/partition_allocator/partition_page.cc third_party/base/allocator/partition_allocator/partition_page.cpp && \
-    mv third_party/base/allocator/partition_allocator/partition_root_base.cc third_party/base/allocator/partition_allocator/partition_root_base.cpp \
+    mv third_party/base/allocator/partition_allocator/partition_root_base.cc third_party/base/allocator/partition_allocator/partition_root_base.cpp && \
+    mv third_party/base/win/win_util.cc third_party/base/win/win_util.cpp \
 ))
 
 # vim: set noet sw=4 ts=4:

external/pdfium/build.patch.1

@@ -71,16 +71,3 @@ index 7f4eb86c0..5e227f86e 100644
  };
  
  #endif  // CORE_FPDFDOC_CPDF_DEST_H_
-diff --git a/core/fpdfdoc/cpdf_filespec.h b/core/fpdfdoc/cpdf_filespec.h
-index 7050f695b..916afed8b 100644
---- a/core/fpdfdoc/cpdf_filespec.h
-+++ b/core/fpdfdoc/cpdf_filespec.h
-@@ -41,7 +41,7 @@ class CPDF_FileSpec {
- 
-  private:
-   UnownedPtr<const CPDF_Object> const m_pObj;
--  UnownedPtr<CPDF_Object> const m_pWritableObj;
-+  UnownedPtr<CPDF_Object> m_pWritableObj;
- };
- 
- #endif  // CORE_FPDFDOC_CPDF_FILESPEC_H_

external/pdfium/visibility.patch.1

 diff --git a/public/fpdfview.h b/public/fpdfview.h
-index 1ff0aeb26..f48036f2b 100644
+index f5212599f..57d6cda13 100644
 --- a/public/fpdfview.h
 +++ b/public/fpdfview.h
-@@ -129,14 +129,20 @@ typedef int FPDF_ANNOTATION_SUBTYPE;
+@@ -154,31 +154,20 @@ typedef int FPDF_ANNOT_APPEARANCEMODE;
  // Dictionary value types.
  typedef int FPDF_OBJECT_TYPE;
  
--#if defined(_WIN32) && defined(FPDFSDK_EXPORTS)
--// On Windows system, functions are exported in a DLL
+-#if defined(COMPONENT_BUILD)
+-// FPDF_EXPORT should be consistent with |export| in the pdfium_fuzzer
+-// template in testing/fuzzers/BUILD.gn.
+-#if defined(WIN32)
+-#if defined(FPDF_IMPLEMENTATION)
 +#if defined(PDFIUM_DLLIMPLEMENTATION)
 +#ifdef _WIN32
  #define FPDF_EXPORT __declspec(dllexport)
--#define FPDF_CALLCONV __stdcall
  #else
+-#define FPDF_EXPORT __declspec(dllimport)
+-#endif  // defined(FPDF_IMPLEMENTATION)
+-#else
+-#if defined(FPDF_IMPLEMENTATION)
+-#define FPDF_EXPORT __attribute__((visibility("default")))
+-#else
 -#define FPDF_EXPORT
--#define FPDF_CALLCONV
+-#endif  // defined(FPDF_IMPLEMENTATION)
+-#endif  // defined(WIN32)
 +#define FPDF_EXPORT __attribute__ ((visibility("default")))
 +#endif
-+#else
+ #else
+-#define FPDF_EXPORT
+-#endif  // defined(COMPONENT_BUILD)
+-
+-#if defined(WIN32) && defined(FPDFSDK_EXPORTS)
+-#define FPDF_CALLCONV __stdcall
 +#ifdef _WIN32
 +#define FPDF_EXPORT __declspec(dllimport)
-+#else
+ #else
+-#define FPDF_CALLCONV
 +#define FPDF_EXPORT __attribute__ ((visibility("default")))
  #endif
 +#endif

external/pdfium/windows7.patch.1

+diff --git a/third_party/base/win/win_util.cc b/third_party/base/win/win_util.cc
+index 9c90b9d62..356eca74d 100644
+--- a/third_party/base/win/win_util.cc
++++ b/third_party/base/win/win_util.cc
+@@ -12,28 +12,7 @@ namespace base {
+ namespace win {
+ 
+ bool IsUser32AndGdi32Available() {
+-  static auto is_user32_and_gdi32_available = []() {
+-    // If win32k syscalls aren't disabled, then user32 and gdi32 are available.
+-
+-    typedef decltype(
+-        GetProcessMitigationPolicy)* GetProcessMitigationPolicyType;
+-    GetProcessMitigationPolicyType get_process_mitigation_policy_func =
+-        reinterpret_cast<GetProcessMitigationPolicyType>(GetProcAddress(
+-            GetModuleHandle(L"kernel32.dll"), "GetProcessMitigationPolicy"));
+-
+-    if (!get_process_mitigation_policy_func)
+-      return true;
+-
+-    PROCESS_MITIGATION_SYSTEM_CALL_DISABLE_POLICY policy = {};
+-    if (get_process_mitigation_policy_func(GetCurrentProcess(),
+-                                           ProcessSystemCallDisablePolicy,
+-                                           &policy, sizeof(policy))) {
+-      return policy.DisallowWin32kSystemCalls == 0;
+-    }
+-
+-    return true;
+-  }();
+-  return is_user32_and_gdi32_available;
++  return true;
+ }
+ 
+ }  // namespace win