Update ICU to 62.1 + local patches

What's new in ICU 62.1:
  - Unicode 11 (new scripts, Emoji update, Text Boundary/Line break updates)
  - CLDR 33.1 (locale data; http://cldr.unicode.org/index/downloads/cldr-33-1 )
  - More Numberformatter improvements and its support in MsgFormat
  - See http://site.icu-project.org/download/62 for more details.

The update steps are recorded in
  https://chromium.googlesource.com/chromium/deps/icu/+log/172d331..c28591b

The list of local changes are:

  Cherry-pick Greek lowercasing fix
  Fix a DecimalFormat maxSignificantDigits issue.

* Rebuild the data files: size eduction of ~ 45 KiB

   6386176 => 6340576 android
   4929248 => 4883232 cast
  10264208 => 10218000 common
   6372480 => 6326896 ios

* Update README.chromium and remove a reference to
  icudt.dll for Windows because it's not used any more.

* Drop patches that became unnecessary.

* Apply the remaining patches
   Isvalidenum.patch, locid_map.patch,
   double_conversion.patch

* Apply data-build related patches
  {wpo,vscomp,data.build,data.build.win,data_symb}.patch

* Apply BreakIterator related patches + locale1 patch

* Apply Google's patch for locale data
  - region display names
  - likely subtags
  - Arabic locale: default number system => Latn
  - AM/PM markers for Hindi and a few Indic locales

* Check in ICU 62.1 to the tree (62staging branch) by
  running scripts/update.sh.
  Build files are updated by the script.

TBR=drott@chromium.org
Bug: 850334
Test: None
Change-Id: I7327363c90b9bccda20c1be8f4a65399f36c4e99
Reviewed-on: https://chromium-review.googlesource.com/1128503
Reviewed-by: Jungshik Shin <jshin@chromium.org>

Author: jungshik

APIChangeReport.html

@@ -111,8 +111,6 @@ component("icui18n") {
   # sort | sed 's/^\(.*\)$/    "\1",/'
   sources = [
     # I18N_SRC_START
-    "source/i18n/affixpatternparser.cpp",
-    "source/i18n/affixpatternparser.h",
     "source/i18n/alphaindex.cpp",
     "source/i18n/anytrans.cpp",
     "source/i18n/anytrans.h",
@@ -205,33 +203,13 @@ component("icui18n") {
     "source/i18n/datefmt.cpp",
     "source/i18n/dayperiodrules.cpp",
     "source/i18n/dayperiodrules.h",
-    "source/i18n/dcfmtimp.h",
     "source/i18n/dcfmtsym.cpp",
     "source/i18n/decContext.cpp",
     "source/i18n/decContext.h",
-    "source/i18n/decfmtst.cpp",
-    "source/i18n/decfmtst.h",
-    "source/i18n/decimalformatpattern.cpp",
-    "source/i18n/decimalformatpattern.h",
-    "source/i18n/decimalformatpatternimpl.h",
     "source/i18n/decimfmt.cpp",
-    "source/i18n/decimfmtimpl.cpp",
-    "source/i18n/decimfmtimpl.h",
     "source/i18n/decNumber.cpp",
     "source/i18n/decNumber.h",
     "source/i18n/decNumberLocal.h",
-    "source/i18n/digitaffix.cpp",
-    "source/i18n/digitaffixesandpadding.cpp",
-    "source/i18n/digitaffixesandpadding.h",
-    "source/i18n/digitaffix.h",
-    "source/i18n/digitformatter.cpp",
-    "source/i18n/digitformatter.h",
-    "source/i18n/digitgrouping.cpp",
-    "source/i18n/digitgrouping.h",
-    "source/i18n/digitinterval.cpp",
-    "source/i18n/digitinterval.h",
-    "source/i18n/digitlst.cpp",
-    "source/i18n/digitlst.h",
     "source/i18n/double-conversion-bignum.cpp",
     "source/i18n/double-conversion-bignum-dtoa.cpp",
     "source/i18n/double-conversion-bignum-dtoa.h",
@@ -245,6 +223,8 @@ component("icui18n") {
     "source/i18n/double-conversion-fast-dtoa.h",
     "source/i18n/double-conversion.h",
     "source/i18n/double-conversion-ieee.h",
+    "source/i18n/double-conversion-strtod.cpp",
+    "source/i18n/double-conversion-strtod.h",
     "source/i18n/double-conversion-utils.h",
     "source/i18n/dtfmtsym.cpp",
     "source/i18n/dt_impl.h",
@@ -302,21 +282,32 @@ component("icui18n") {
     "source/i18n/nultrans.h",
     "source/i18n/number_affixutils.cpp",
     "source/i18n/number_affixutils.h",
+    "source/i18n/number_asformat.cpp",
+    "source/i18n/number_asformat.h",
+    "source/i18n/number_capi.cpp",
     "source/i18n/number_compact.cpp",
     "source/i18n/number_compact.h",
+    "source/i18n/number_currencysymbols.cpp",
+    "source/i18n/number_currencysymbols.h",
     "source/i18n/number_decimalquantity.cpp",
     "source/i18n/number_decimalquantity.h",
     "source/i18n/number_decimfmtprops.cpp",
     "source/i18n/number_decimfmtprops.h",
+    "source/i18n/number_decnum.h",
     "source/i18n/number_fluent.cpp",
     "source/i18n/number_formatimpl.cpp",
     "source/i18n/number_formatimpl.h",
     "source/i18n/number_grouping.cpp",
     "source/i18n/number_integerwidth.cpp",
     "source/i18n/number_longnames.cpp",
     "source/i18n/number_longnames.h",
+    "source/i18n/number_mapper.cpp",
+    "source/i18n/number_mapper.h",
+    "source/i18n/number_microprops.h",
     "source/i18n/number_modifiers.cpp",
     "source/i18n/number_modifiers.h",
+    "source/i18n/number_multiplier.cpp",
+    "source/i18n/number_multiplier.h",
     "source/i18n/number_notation.cpp",
     "source/i18n/number_padding.cpp",
     "source/i18n/number_patternmodifier.cpp",
@@ -327,24 +318,45 @@ component("icui18n") {
     "source/i18n/number_roundingutils.h",
     "source/i18n/number_scientific.cpp",
     "source/i18n/number_scientific.h",
+    "source/i18n/number_skeletons.cpp",
+    "source/i18n/number_skeletons.h",
     "source/i18n/number_stringbuilder.cpp",
     "source/i18n/number_stringbuilder.h",
     "source/i18n/number_types.h",
+    "source/i18n/number_utils.cpp",
     "source/i18n/number_utils.h",
+    "source/i18n/number_utypes.h",
     "source/i18n/numfmt.cpp",
+    "source/i18n/numparse_affixes.cpp",
+    "source/i18n/numparse_affixes.h",
+    "source/i18n/numparse_compositions.cpp",
+    "source/i18n/numparse_compositions.h",
+    "source/i18n/numparse_currency.cpp",
+    "source/i18n/numparse_currency.h",
+    "source/i18n/numparse_decimal.cpp",
+    "source/i18n/numparse_decimal.h",
+    "source/i18n/numparse_impl.cpp",
+    "source/i18n/numparse_impl.h",
+    "source/i18n/numparse_parsednumber.cpp",
+    "source/i18n/numparse_scientific.cpp",
+    "source/i18n/numparse_scientific.h",
+    "source/i18n/numparse_stringsegment.cpp",
+    "source/i18n/numparse_stringsegment.h",
+    "source/i18n/numparse_symbols.cpp",
+    "source/i18n/numparse_symbols.h",
+    "source/i18n/numparse_types.h",
+    "source/i18n/numparse_utils.h",
+    "source/i18n/numparse_validators.cpp",
+    "source/i18n/numparse_validators.h",
     "source/i18n/numsys.cpp",
     "source/i18n/numsys_impl.h",
     "source/i18n/olsontz.cpp",
     "source/i18n/olsontz.h",
     "source/i18n/persncal.cpp",
     "source/i18n/persncal.h",
-    "source/i18n/pluralaffix.cpp",
-    "source/i18n/pluralaffix.h",
     "source/i18n/plurfmt.cpp",
     "source/i18n/plurrule.cpp",
     "source/i18n/plurrule_impl.h",
-    "source/i18n/precision.cpp",
-    "source/i18n/precision.h",
     "source/i18n/quant.cpp",
     "source/i18n/quant.h",
     "source/i18n/quantityformatter.cpp",
@@ -392,10 +404,7 @@ component("icui18n") {
     "source/i18n/shareddateformatsymbols.h",
     "source/i18n/sharednumberformat.h",
     "source/i18n/sharedpluralrules.h",
-    "source/i18n/significantdigitinterval.h",
     "source/i18n/simpletz.cpp",
-    "source/i18n/smallintformatter.cpp",
-    "source/i18n/smallintformatter.h",
     "source/i18n/smpdtfmt.cpp",
     "source/i18n/smpdtfst.cpp",
     "source/i18n/smpdtfst.h",
@@ -474,10 +483,6 @@ component("icui18n") {
     "source/i18n/utf8collationiterator.h",
     "source/i18n/utmscale.cpp",
     "source/i18n/utrans.cpp",
-    "source/i18n/valueformatter.cpp",
-    "source/i18n/valueformatter.h",
-    "source/i18n/visibledigits.cpp",
-    "source/i18n/visibledigits.h",
     "source/i18n/vtzone.cpp",
     "source/i18n/vzone.cpp",
     "source/i18n/vzone.h",
@@ -569,6 +574,7 @@ component("icui18n") {
     "source/i18n/unicode/ulocdata.h",
     "source/i18n/unicode/umsg.h",
     "source/i18n/unicode/unirepl.h",
+    "source/i18n/unicode/unumberformatter.h",
     "source/i18n/unicode/unum.h",
     "source/i18n/unicode/unumsys.h",
     "source/i18n/unicode/upluralrules.h",
@@ -728,6 +734,8 @@ component("icuuc") {
     "source/common/sharedobject.h",
     "source/common/simpleformatter.cpp",
     "source/common/sprpimpl.h",
+    "source/common/static_unicode_sets.cpp",
+    "source/common/static_unicode_sets.h",
     "source/common/stringpiece.cpp",
     "source/common/stringtriebuilder.cpp",
     "source/common/uarrsort.cpp",

BUILD.gn

@@ -1,11 +1,11 @@
 Name: icu
 URL: http://site.icu-project.org/
-Version: 60.1
+Version: 62.1
 License: MIT
 Security Critical: yes
 
 Description:
-This directory contains the source code of ICU 60.1 for C/C++.
+This directory contains the source code of ICU 62.1 for C/C++.
 
 A. How to update ICU
 
@@ -84,32 +84,9 @@ Pre-built data files are generated and checked in with the following steps
      non-Android and Android platforms.
 
   e. Whenever data is updated (e.g timezone update), take step d as long
-  as the ICU build directory used in a ~ c is kept. Besides, icudt.dll for
-  Windows has to be udpated following the procedure described below.
+  as the ICU build directory used in a ~ c is kept.
 
-
-2. icu data dll for Windows (non-default build option)
-
-  Follow these steps to build windows/icudt.dll. By default, we set
-  icu_use_icu_data_flag to 1 and don't use this file.
-
-  a. check out a clean copy of icu 60.1 from the upstream on Windows
-     outside the Chrome tree.
-
-    $ svn export --native-eol LF http://source.icu-project.org/repos/icu/tags/release-60-1/icu4c ${SEPARATE_ICU_ROOT}/icu60
-
-  b. copy ${CHROME_ICU_ROOT}/common/icudtl.dat to
-     ${SEPARATE_ICU_ROOT}/source/data/in/icudt60l.dat
-  c. copy ${CHROME_ICU_ROOT}/source/data/makedata.mak to
-     ${SEPARATE_ICU_ROOT}/source/data/makedata.mak
-  c. In Visual Studio, open source/allinone/allinone.sln solution
-     in ${SEPARATE_ICU_ROOT}
-  d. Build 'makedata' target
-  e. icudt60.dll will be generated in ${SEPARATE_ICU_ROOT}/bin
-  f. Copy that icudt60.dll to ${CHROME_ICU_ROOT}/windows/icudt.dll
-     and check that in.
-
-3. Note on the locale data customization
+2. Note on the locale data customization
 
   - scripts/trim_data.sh
       a. Trim the locale data for Chrome's UI langauges :
@@ -198,6 +175,7 @@ D. Local Modifications
     * Currency signs in ru and uk locales (do not include 'tr' locale changes)
     * AM/PM, midnight, noon formatting for a few Indian locales
     * Timezone name changes in Korean and Chinese locales
+    * Default digit for Arabic locale is European digits.
 
   - patches/locale1.patch: Minor fixes for Korean
 
@@ -252,22 +230,7 @@ D. Local Modifications
   - patches/isvalidenum.patch
     upstream bug: https://ssl.icu-project.org/trac/ticket/13509
 
-6. Reduce size of SmallIntFormatter implementation
-
-  - patches/simplify_smallintformatter.patch
-    upstream bug: https://ssl.icu-project.org/trac/ticket/12390
-
-  Reduce the size of the binary by about 16 kiB on Android,
-  without noticeable performance change.
-
-7. Apply a rule fix for a perf issue with a long sequence of letters/digits
-
-  - patches/word_long.patch
-    upstream bug: https://ssl.icu-project.org/trac/ticket/13692
-    (62-to-be does not have this issue)
-  - bug: crbug.com/829144
-
-8. Update IANA language tag/subtag mapping and add missing canonicalization for
+7. Update IANA language tag/subtag mapping and add missing canonicalization for
     deprecated regions
 
   - patches/locid_map.patch
@@ -278,23 +241,22 @@ D. Local Modifications
     https://ssl.icu-project.org/trac/ticket/13720
     https://ssl.icu-project.org/trac/ticket/13719
 
-9. Double conversion library build failure
+8. Double conversion library build failure
 
   - patches/double_conversion.patch
   - upstream bugs:
     https://ssl.icu-project.org/trac/ticket/13750
     https://github.com/google/double-conversion/issues/66
 
-10. MSVC C4715 warning (treated as error)
+9. Cherry-pick Greek lowercase fix from the upstream
 
-  - patches/msvc_numgroup.patch  (fixed in 62-to-be)
-  - upstream bug:
-    https://ssl.icu-project.org/trac/ticket/13752
+  - patches/greek_lowercase.patch
+  - upstream bug (fixed in 62.2-to-be)
+    https://ssl.icu-project.org/trac/ticket/13851
 
-11. Fix the Windows timezone detection on Japanese/Korean Windows
+10. Max significant digit is always 6
 
-  - patches/wintz.patch
+  - patches/nf_maxsig.patch
   - upstream bug:
-    https://ssl.icu-project.org/trac/ticket/13826
-
+    https://ssl.icu-project.org/trac/ticket/13852
 

README.chromium

@@ -571,6 +571,7 @@
               'unicode/ulocdata.h',
               'unicode/umsg.h',
               'unicode/unirepl.h',
+              'unicode/unumberformatter.h',
               'unicode/unum.h',
               'unicode/unumsys.h',
               'unicode/upluralrules.h',