www-client/chromium: fix stable channel to build with icu-67.1

Closes: https://bugs.gentoo.org/720100
Package-Manager: Portage-2.3.89, Repoman-2.3.20
Signed-off-by: Stephan Hartmann <stha09@googlemail.com>
Signed-off-by: Mike Gilbert <floppym@gentoo.org>
Closes: https://github.com/gentoo/gentoo/pull/15595

2 files changed, 163 insertions, 0 deletions

diff --git a/www-client/chromium/chromium-81.0.4044.129.ebuild b/www-client/chromium/chromium-81.0.4044.129.ebuild
index 551aed9bd1d8..b110b41753b6 100644
--- a/www-client/chromium/chromium-81.0.4044.129.ebuild
+++ b/www-client/chromium/chromium-81.0.4044.129.ebuild
@@ -155,6 +155,7 @@ PATCHES=(
 	"${FILESDIR}/chromium-81-gcc-noexcept.patch"
 	"${FILESDIR}/chromium-81-gcc-constexpr.patch"
 	"${FILESDIR}/chromium-81-gcc-10.patch"
+	"${FILESDIR}/chromium-81-icu67.patch"
 )
 
 pre_build_checks() {
diff --git a/www-client/chromium/files/chromium-81-icu67.patch b/www-client/chromium/files/chromium-81-icu67.patch
new file mode 100644
index 000000000000..745bad28ee2c
--- /dev/null
+++ b/www-client/chromium/files/chromium-81-icu67.patch
@@ -0,0 +1,162 @@
+From 3f8dc4b2e5baf77b463334c769af85b79d8c1463 Mon Sep 17 00:00:00 2001
+From: Frank Tang <ftang@chromium.org>
+Date: Fri, 03 Apr 2020 23:13:54 -0700
+Subject: [PATCH] [intl] Remove soon-to-be removed getAllFieldPositions
+
+Needed to land ICU67.1 soon.
+
+Bug: v8:10393
+Change-Id: I3c7737ca600d6ccfdc46ffaddfb318ce60bc7618
+Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2136489
+Reviewed-by: Jakob Kummerow <jkummerow@chromium.org>
+Commit-Queue: Frank Tang <ftang@chromium.org>
+Cr-Commit-Position: refs/heads/master@{#67027}
+---
+
+(backported for chromium-81)
+
+diff --git a/v8/src/objects/js-number-format.cc b/v8/src/objects/js-number-format.cc
+index 92d3e2f..ced408a 100644
+--- a/v8/src/objects/js-number-format.cc
++++ b/v8/src/objects/js-number-format.cc
+@@ -1197,42 +1197,31 @@ MaybeHandle<JSNumberFormat> JSNumberFormat::New(Isolate* isolate,
+ }
+ 
+ namespace {
+-Maybe<icu::UnicodeString> IcuFormatNumber(
++Maybe<bool> IcuFormatNumber(
+     Isolate* isolate,
+     const icu::number::LocalizedNumberFormatter& number_format,
+-    Handle<Object> numeric_obj, icu::FieldPositionIterator* fp_iter) {
++    Handle<Object> numeric_obj, icu::number::FormattedNumber* formatted) {
+   // If it is BigInt, handle it differently.
+   UErrorCode status = U_ZERO_ERROR;
+-  icu::number::FormattedNumber formatted;
+   if (numeric_obj->IsBigInt()) {
+     Handle<BigInt> big_int = Handle<BigInt>::cast(numeric_obj);
+     Handle<String> big_int_string;
+     ASSIGN_RETURN_ON_EXCEPTION_VALUE(isolate, big_int_string,
+                                      BigInt::ToString(isolate, big_int),
+-                                     Nothing<icu::UnicodeString>());
+-    formatted = number_format.formatDecimal(
++                                     Nothing<bool>());
++    *formatted = number_format.formatDecimal(
+         {big_int_string->ToCString().get(), big_int_string->length()}, status);
+   } else {
+     double number = numeric_obj->Number();
+-    formatted = number_format.formatDouble(number, status);
++    *formatted = number_format.formatDouble(number, status);
+   }
+   if (U_FAILURE(status)) {
+     // This happen because of icu data trimming trim out "unit".
+     // See https://bugs.chromium.org/p/v8/issues/detail?id=8641
+-    THROW_NEW_ERROR_RETURN_VALUE(isolate,
+-                                 NewTypeError(MessageTemplate::kIcuError),
+-                                 Nothing<icu::UnicodeString>());
+-  }
+-  if (fp_iter) {
+-    formatted.getAllFieldPositions(*fp_iter, status);
++    THROW_NEW_ERROR_RETURN_VALUE(
++        isolate, NewTypeError(MessageTemplate::kIcuError), Nothing<bool>());
+   }
+-  icu::UnicodeString result = formatted.toString(status);
+-  if (U_FAILURE(status)) {
+-    THROW_NEW_ERROR_RETURN_VALUE(isolate,
+-                                 NewTypeError(MessageTemplate::kIcuError),
+-                                 Nothing<icu::UnicodeString>());
+-  }
+-  return Just(result);
++  return Just(true);
+ }
+ 
+ }  // namespace
+@@ -1243,10 +1232,16 @@ MaybeHandle<String> JSNumberFormat::FormatNumeric(
+     Handle<Object> numeric_obj) {
+   DCHECK(numeric_obj->IsNumeric());
+ 
+-  Maybe<icu::UnicodeString> maybe_format =
+-      IcuFormatNumber(isolate, number_format, numeric_obj, nullptr);
++  icu::number::FormattedNumber formatted;
++  Maybe<bool> maybe_format =
++      IcuFormatNumber(isolate, number_format, numeric_obj, &formatted);
+   MAYBE_RETURN(maybe_format, Handle<String>());
+-  return Intl::ToString(isolate, maybe_format.FromJust());
++  UErrorCode status = U_ZERO_ERROR;
++  icu::UnicodeString result = formatted.toString(status);
++  if (U_FAILURE(status)) {
++    THROW_NEW_ERROR(isolate, NewTypeError(MessageTemplate::kIcuError), String);
++  }
++  return Intl::ToString(isolate, result);
+ }
+ 
+ namespace {
+@@ -1359,12 +1354,18 @@ std::vector<NumberFormatSpan> FlattenRegionsToParts(
+ }
+ 
+ namespace {
+-Maybe<int> ConstructParts(Isolate* isolate, const icu::UnicodeString& formatted,
+-                          icu::FieldPositionIterator* fp_iter,
++Maybe<int> ConstructParts(Isolate* isolate,
++                          icu::number::FormattedNumber* formatted,
+                           Handle<JSArray> result, int start_index,
+                           Handle<Object> numeric_obj, bool style_is_unit) {
++  UErrorCode status = U_ZERO_ERROR;
++  icu::UnicodeString formatted_text = formatted->toString(status);
++  if (U_FAILURE(status)) {
++    THROW_NEW_ERROR_RETURN_VALUE(
++        isolate, NewTypeError(MessageTemplate::kIcuError), Nothing<int>());
++  }
+   DCHECK(numeric_obj->IsNumeric());
+-  int32_t length = formatted.length();
++  int32_t length = formatted_text.length();
+   int index = start_index;
+   if (length == 0) return Just(index);
+ 
+@@ -1373,13 +1374,14 @@ Maybe<int> ConstructParts(Isolate* isolate, const icu::UnicodeString& formatted,
+   // other region covers some part of the formatted string. It's possible
+   // there's another field with exactly the same begin and end as this backdrop,
+   // in which case the backdrop's field_id of -1 will give it lower priority.
+-  regions.push_back(NumberFormatSpan(-1, 0, formatted.length()));
++  regions.push_back(NumberFormatSpan(-1, 0, formatted_text.length()));
+ 
+   {
+-    icu::FieldPosition fp;
+-    while (fp_iter->next(fp)) {
+-      regions.push_back(NumberFormatSpan(fp.getField(), fp.getBeginIndex(),
+-                                         fp.getEndIndex()));
++    icu::ConstrainedFieldPosition cfp;
++    cfp.constrainCategory(UFIELD_CATEGORY_NUMBER);
++    while (formatted->nextPosition(cfp, status)) {
++      regions.push_back(
++          NumberFormatSpan(cfp.getField(), cfp.getStart(), cfp.getLimit()));
+     }
+   }
+ 
+@@ -1401,7 +1403,7 @@ Maybe<int> ConstructParts(Isolate* isolate, const icu::UnicodeString& formatted,
+     Handle<String> substring;
+     ASSIGN_RETURN_ON_EXCEPTION_VALUE(
+         isolate, substring,
+-        Intl::ToString(isolate, formatted, part.begin_pos, part.end_pos),
++        Intl::ToString(isolate, formatted_text, part.begin_pos, part.end_pos),
+         Nothing<int>());
+     Intl::AddElement(isolate, result, index, field_type_string, substring);
+     ++index;
+@@ -1421,14 +1423,14 @@ MaybeHandle<JSArray> JSNumberFormat::FormatToParts(
+       number_format->icu_number_formatter().raw();
+   CHECK_NOT_NULL(fmt);
+ 
+-  icu::FieldPositionIterator fp_iter;
+-  Maybe<icu::UnicodeString> maybe_format =
+-      IcuFormatNumber(isolate, *fmt, numeric_obj, &fp_iter);
++  icu::number::FormattedNumber formatted;
++  Maybe<bool> maybe_format =
++      IcuFormatNumber(isolate, *fmt, numeric_obj, &formatted);
+   MAYBE_RETURN(maybe_format, Handle<JSArray>());
+ 
+   Handle<JSArray> result = factory->NewJSArray(0);
+   Maybe<int> maybe_format_to_parts = ConstructParts(
+-      isolate, maybe_format.FromJust(), &fp_iter, result, 0, numeric_obj,
++      isolate, &formatted, result, 0, numeric_obj,
+       number_format->style() == JSNumberFormat::Style::UNIT);
+   MAYBE_RETURN(maybe_format_to_parts, Handle<JSArray>());
+