Update ICU to 58.1

README.chromium

Index: README.chromium
diff --git a/README.chromium b/README.chromium
index 6b66b0128a300eb8cc5625a33a2e97a9a59534e1..d9901d698ae4e821abd95211726cf6bd04be8986 100644
--- a/README.chromium
+++ b/README.chromium
@@ -1,15 +1,15 @@
 Name: icu
 URL: http://site.icu-project.org/
-Version: 56.1
+Version: 58.1
 License: MIT
 Security Critical: yes
 
 Description:
-This directory contains the source code of ICU 56.1 for C/C++.
+This directory contains the source code of ICU 58.1 for C/C++.
 
 A. How to update ICU
 
-1. Run "scripts/update.sh <version>" (e.g. 56-1).
+1. Run "scripts/update.sh <version>" (e.g. 58-1).
    This will download ICU from the upstream svn repository.
    It does preserve Chrome-specific build files (*local.mk) and
    converter files. (see section C)
@@ -197,20 +197,7 @@ D. Local Modifications
   - patches/locale1.patch: Minor fixes for Korean
 
 
-2. Applied post-56 fixes from the upstream for measure/date format bugs
-
-  - patches/measure_format.patch: combined patch of 12 CLs taken
-    from bugs below.
-  - upstream bugs
-    http://bugs.icu-project.org/trac/ticket/11986
-    http://bugs.icu-project.org/trac/ticket/12031
-    http://bugs.icu-project.org/trac/ticket/12030
-    http://bugs.icu-project.org/trac/ticket/12041
-
-  - patches/relative_date.patch from Android
-    https://android.googlesource.com/platform/external/icu/+/f9ffd5b%5E%21
-
-3. Breakiterator patches
+2. Breakiterator patches
   - patches/linebrk.patch
     a. Drop *_loose.txt for all locales and use the corresponding normal.txt
     b. Drop local patches we used to have for the following issues. They'll
@@ -233,7 +220,7 @@ D. Local Modifications
     patch: patches/cjdict.patch
     upstream bug: http://bugs.icu-project.org/trac/ticket/10888
 
-4. Timezone data update
+3. Timezone data update
   Run scripts/update_tz.sh to grab the latest version of the
   following timezone data files and put them in source/data/misc
 
@@ -246,16 +233,14 @@ D. Local Modifications
   are available at
   http://source.icu-project.org/repos/icu/data/trunk/tzdata/icunew/2016f/44/
 
-5. Build-related changes
+4. Build-related changes
 
-  - patches/wpo.patch
+  - patches/wpo.patch (only needed when icudata dll is used).
     upstream bugs : http://bugs.icu-project.org/trac/ticket/8043
                     http://bugs.icu-project.org/trac/ticket/5701
   - patches/vscomp.patch for building with Visual Studio on Windows.
      a. do not use WINDOWS_LOCALE_API in locmap.c
      b. do not redefine stringpiece::npos
-     c. fix http://bugs.icu-project.org/trac/ticket/12129 (C4138 warning)
-     d. fix http://bugs.icu-project.org/trac/ticket/11893 (C4275 warning)
 
   - patches/data.build.patch :
       Remove unnecessary resources : unames, collator rule source
@@ -265,17 +250,7 @@ D. Local Modifications
       Put ICU_DATA_ENTRY_POINT(icudtXX_dat) in common when we use
       the icu data file or icudt.dll
 
-6. Apply a timezone detection API fix
-  - patches/tzdetect.patch
-  - upstream bugs
-    http://bugs.icu-project.org/trac/ticket/11623
-
-7. Fix 'bad cast' found in Transliterator with a cfi build
-  - patches/xlit_badcast.patch
-  - upstream bug (fixed in the upstream. Will be in ICU 57 release)
-    http://bugs.icu-project.org/trac/ticket/11937
-
-8. Add back UTF-32 converters temporarily even when
+5. Add back UTF-32 converters temporarily even when
    UCONFIG_ONLY_HTML_CONVERSION is defined until UTF-32 is
    removed from Blink. See
    http://www.icu-project.org/trac/ticket/11296 and
@@ -283,33 +258,9 @@ D. Local Modifications
 
    - patches/utf32.patch
 
-9. Fix a UText bug found in uregex_open fuzzer.
-  - patches/utext.patch
-  - upstream bug (fixed in trunk in Jan, 2016. Will be in ICU 57 release)
-    http://bugs.icu-project.org/trac/ticket/12130
-
-10. Fix a bug in regex compiler.
-  - patches/regexcmp.patch
-  - upstream bug (fixed in the upstream. Will be in ICU 57 release)
-    http://bugs.icu-project.org/trac/ticket/12138
-
-11. Remove an unnecessary static initializer
-  - patches/remove_si.patch
-  - upstream bug (fixed in trunk. Will be in ICU 57 release)
-    http://bugs.icu-project.org/trac/ticket/12408
-
-12. Cherry pick locale data fixes from the upstream and Android
+6. Cherry pick locale data fixes from Android
   - patches/locale_extra.patch
-  - upstream bugs
-        http://unicode.org/cldr/trac/ticket/9045 (en-AU date format)
+  - upstream bug
         http://unicode.org/cldr/trac/ticket/7969 (percent sign in ar and fa)
   - Android patch for the 2nd bug
         https://android.googlesource.com/platform/external/icu/+/56b2b8b
-
-13. Add Emoji properties support by cherry-picking from 57.1
-  - patches/emoji_props.patch
-  - Upstream change cherry-picked
-        http://bugs.icu-project.org/trac/changeset/38183
-  - source/data/in/{pnames,uprops}.icu were copied from the upstream,
-    but they're just for the record. Their contents are hard-coded
-    in the source files patched by the above patch.