Update ICU to 58.1

icu.gypi

Index: icu.gypi
diff --git a/icu.gypi b/icu.gypi
index 6f3d15a7e150d5004cd15050eb36259cf918562c..74a8823390b7dccc876375943ea3cfb8fd4942aa 100644
--- a/icu.gypi
+++ b/icu.gypi
@@ -58,6 +58,7 @@
       'source/i18n/currunit.cpp',
       'source/i18n/dangical.cpp',
       'source/i18n/datefmt.cpp',
+      'source/i18n/dayperiodrules.cpp',
       'source/i18n/dcfmtsym.cpp',
       'source/i18n/decContext.c',
       'source/i18n/decfmtst.cpp',
@@ -88,12 +89,10 @@
       'source/i18n/gregocal.cpp',
       'source/i18n/gregoimp.cpp',
       'source/i18n/hebrwcal.cpp',
-      'source/i18n/identifier_info.cpp',
       'source/i18n/indiancal.cpp',
       'source/i18n/inputext.cpp',
       'source/i18n/islamcal.cpp',
       'source/i18n/japancal.cpp',
-      'source/i18n/locdspnm.cpp',
       'source/i18n/measfmt.cpp',
       'source/i18n/measunit.cpp',
       'source/i18n/measure.cpp',
@@ -170,7 +169,6 @@
       'source/i18n/ucol_res.cpp',
       'source/i18n/ucol_sit.cpp',
       'source/i18n/ucsdet.cpp',
-      'source/i18n/ucurr.cpp',
       'source/i18n/udat.cpp',
       'source/i18n/udateintervalformat.cpp',
       'source/i18n/udatpg.cpp',
@@ -191,7 +189,6 @@
       'source/i18n/uspoof_conf.cpp',
       'source/i18n/uspoof.cpp',
       'source/i18n/uspoof_impl.cpp',
-      'source/i18n/uspoof_wsconf.cpp',
       'source/i18n/utf16collationiterator.cpp',
       'source/i18n/utf8collationiterator.cpp',
       'source/i18n/utmscale.c',
@@ -222,6 +219,7 @@
       'source/common/chariter.cpp',
       'source/common/charstr.cpp',
       'source/common/cmemory.c',
+      'source/common/cstr.cpp',
       'source/common/cstring.c',
       'source/common/cwchar.c',
       'source/common/dictbe.cpp',
@@ -237,6 +235,7 @@
       'source/common/locavailable.cpp',
       'source/common/locbased.cpp',
       'source/common/locdispnames.cpp',
+      'source/common/locdspnm.cpp',
       'source/common/locid.cpp',
       'source/common/loclikely.cpp',
       'source/common/locmap.c',
@@ -274,13 +273,14 @@
       'source/common/servrbf.cpp',
       'source/common/servslkf.cpp',
       'source/common/sharedobject.cpp',
-      'source/common/simplepatternformatter.cpp',
+      'source/common/simpleformatter.cpp',
       'source/common/stringpiece.cpp',
       'source/common/stringtriebuilder.cpp',
       'source/common/uarrsort.c',
       'source/common/ubidi.c',
       'source/common/ubidiln.c',
       'source/common/ubidi_props.c',
+      'source/common/ubiditransform.c',
       'source/common/ubidiwrt.c',
       'source/common/ubrk.cpp',
       'source/common/ucase.cpp',
@@ -318,6 +318,7 @@
       'source/common/ucnv_u7.c',
       'source/common/ucnv_u8.c',
       'source/common/ucol_swp.cpp',
+      'source/common/ucurr.cpp',
       'source/common/udata.cpp',
       'source/common/udatamem.c',
       'source/common/udataswp.c',
@@ -357,7 +358,6 @@
       'source/common/uresbund.cpp',
       'source/common/ures_cnv.c',
       'source/common/uresdata.cpp',
-      'source/common/uresource.cpp',
       'source/common/usc_impl.c',
       'source/common/uscript.c',
       'source/common/uscript_props.cpp',