Update to ICU 67.1 (from 65.1)

ICU 67.1 release notes: http://site.icu-project.org/download/67
ICU 66.1 release notes: http://site.icu-project.org/download/66
CLDR 37: release notes: http://blog.unicode.org/2020/04/unicode-locale-data-v37-released_23.html

1. Update to 67-1
   Diary https://docs.google.com/document/d/1ZDtSPa3ZkzBIJmqrDVmGmyrTihjx8Me4fKQoQcBj02E/edit#

Size changes:
  65-1 .   67-1
 7786368  7778704 android/icudtl.dat
 6412768  6400752 android_small/icudtl.dat
 1418320  1430976 android_small/icudtl_extra.dat
 5060880  5048912 cast/icudtl.dat
10481632 10470736 chromeos/icudtl.dat
10506736 10498032 common/icudtb.dat
10506736 10498032 common/icudtl.dat
  900576 . 898416 flutter/icudtl.dat
 6375984  6363968 ios/icudtl.dat

2. This landing includes
a) Cherrypick the works on the staging67 branch by
$ git rev-list --reverse 13cfcd5..be87791 | xargs git cherry-pick --strategy=recursive -X theirs

See
https://chromium.googlesource.com/chromium/deps/icu/+log/13cfcd5..be87791

b) Rebuild the data file

3. Testing CLs with the hash on the staging67: be877915
chrome DEPS: https://chromium-review.googlesource.com/c/chromium/src/+/2155530
v8 DEPS: https://chromium-review.googlesource.com/c/v8/v8/+/2158486

Change-Id: I2c163e255041f6420feb0205ffbd52431b8e2a16
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/deps/icu/+/2162312
Reviewed-by: Jungshik Shin <jshin@chromium.org>

BUILD.gn

@@ -286,6 +286,8 @@ component("icui18n") {
     "source/i18n/listformatter.cpp",
     "source/i18n/measfmt.cpp",
     "source/i18n/measunit.cpp",
+    "source/i18n/measunit_extra.cpp",
+    "source/i18n/measunit_impl.h",
     "source/i18n/measure.cpp",
     "source/i18n/msgfmt.cpp",
     "source/i18n/msgfmt_impl.h",

LICENSE

@@ -1,6 +1,6 @@
 COPYRIGHT AND PERMISSION NOTICE (ICU 58 and later)
 
-Copyright © 1991-2019 Unicode, Inc. All rights reserved.
+Copyright © 1991-2020 Unicode, Inc. All rights reserved.
 Distributed under the Terms of Use in https://www.unicode.org/copyright.html.
 
 Permission is hereby granted, free of charge, to any person obtaining

README.chromium

@@ -1,15 +1,15 @@
 Name: icu
 URL: https://github.com/unicode-org/icu
-Version: 65.1
+Version: 67.1
 License: MIT
 Security Critical: yes
 
 Description:
-This directory contains the source code of ICU 65.1 for C/C++.
+This directory contains the source code of ICU 67.1 for C/C++.
 
 A. How to update ICU
 
-1. Run "scripts/update.sh <version>" (e.g. 65-1).
+1. Run "scripts/update.sh <version>" (e.g. 67-1).
    This will download ICU from the upstream git repository.
    It does preserve Chrome-specific build files and
    converter files. (see section C)
@@ -206,9 +206,13 @@ D. Local Modifications
     upstream bugs : https://unicode-org.atlassian.net/browse/ICU-8043
                     https://unicode-org.atlassian.net/browse/ICU-5701
 
-  - patches/extra-semi.patch
-    - upstream bugs: https://unicode-org.atlassian.net/browse/ICU-20872
-    - upstream PR: https://github.com/unicode-org/icu/pull/888
+  - patches/data_symb.patch :
+      Put ICU_DATA_ENTRY_POINT(icudtXX_dat) in common when we use
+      the icu data file or icudt.dll
+
+  - patches/formatted_string_builder.patch
+    upstream bugs: https://unicode-org.atlassian.net/browse/ICU-21081
+    * #if 0 out constexpr hacks which does not work with C++-14
 
 5. ISO-2022-JP encoding (fromUnicode) change per WHATWG encoding spec.
   - patches/iso2022jp.patch
@@ -220,52 +224,6 @@ D. Local Modifications
   - upstream bug:
     https://unicode-org.atlassian.net/browse/ICU-20774
 
-7. Fix DateInterval::createInstance
-  - patches/DateIntervalInfo.patch
-  - upstream bug:
-    https://unicode-org.atlassian.net/browse/ICU-20706
-  - upstream PR:
-    https://github.com/unicode-org/icu/pull/876
-
-8. Fix uninitialized array.
-  - patches/uninitialized_uloc.patch
-  - upstream bug:
-    https://unicode-org.atlassian.net/browse/ICU-20884
-  - upstream PR:
-    https://github.com/unicode-org/icu/pull/902
-
-9. Fix the variant in locale is not sorted
-  - patches/sort_variant.patch
-  - upstream bug:
-    https://unicode-org.atlassian.net/browse/ICU-20478
-  - upstream PR:
-    https://github.com/unicode-org/icu/pull/836
-
-10. Fix SEGV_MAPERR in UnicodeString::doAppend
-  - patches/unistr_segmap.patch
-  - upstream bug:
-    https://unicode-org.atlassian.net/browse/ICU-20958
-  - upstream PR:
-    https://github.com/unicode-org/icu/pull/971
-
-11. Fix fractional second support.
-  - patches/fracsecond.patch
-  - upstream bug:
-    https://unicode-org.atlassian.net/browse/ICU-20739
-    https://unicode-org.atlassian.net/browse/ICU-20738
-    https://unicode-org.atlassian.net/browse/ICU-20967
-  - upstream PR:
-    https://github.com/unicode-org/icu/pull/977
-    https://github.com/unicode-org/icu/pull/914
-    https://github.com/unicode-org/icu/pull/978
-
-12. Enable tracing of file but not resource, only for Chromium
+7. Enable tracing of file but not resource, only for Chromium
     to reduce performance impact/risk.
   - patches/restrace.patch
-
-13. Patch tracing of BreakIterator/BreakEngine creation
-  - patches/breakiteratortrace.patch
-  - upstream bug:
-    https://unicode-org.atlassian.net/browse/ICU-20991
-  - upstream PR:
-    https://github.com/unicode-org/icu/pull/1014

icu.gypi

@@ -99,6 +99,7 @@
       'source/i18n/listformatter.cpp',
       'source/i18n/measfmt.cpp',
       'source/i18n/measunit.cpp',
+      'source/i18n/measunit_extra.cpp',
       'source/i18n/measure.cpp',
       'source/i18n/msgfmt.cpp',
       'source/i18n/name2uni.cpp',