Update timezone data files to 2011n

README.chromium

 Name: icu
 URL: http://site.icu-project.org/
 Version: 4.6
 
 Description:
 This directory contains the source code of ICU 4.6 for C/C++
 
 1. It was obtained with the following:
 
     $ svn export --native-eol LF http://source.icu-project.org/repos/icu/icu/tags/release-4-6 icu46
@@ skipping 84 matching lines @@
   - In source/data/region, run the following command to get rid of numeric region
     display names we don't use (everything other than 419).
      $ sed -i  '/[0-35-9][0-9][0-9]{/ d' *.txt
 
 7. Removal of unihan collation tables from data/coll/{zh,ja,ko}.txt
 
   - patches/unihan.patch:
     unihan collation tables are never used in Chrome/Webkit, but it takes
     about 1MB in the uncompressed ICU data file in ICU 4.2.1.
 
-8. Build-related changes
+8. Timezone data update
+  - Grab the latest version of the following timezone data files and 
+    put them in source/data/misc.
+
+     metaZones.txt
+     timezoneTypes.txt
+     windowsZones.txt
+     zoneinfo64.txt
+
+   As of Nov, 2011, the latest version is 2011n and the above files
+   are available at
+   http://source.icu-project.org/repos/icu/data/trunk/tzdata/icunew/2011n/44/
+
+9. Build-related changes
 
   - patches/wpo.patch
   - patches/vscomp.patch
     (see http://bugs.icu-project.org/trac/ticket/8355 and
          http://bugs.icu-project.org/trac/ticket/8356 )
   - patches/rtti.patch : Make RTTI work without exception handling on Windows
     (see http://bugs.icu-project.org/trac/ticket/8343)
   - patches/data.build.patch :
       To remove some data files we don't use and cut down the data size.
   - patches/data.build.win.patch :
       Windows-only data build patch. Add a new target DATALIB to makedata.mak
   - patches/clang.patch: To build with Clang.
   - add an empty file (stubdatabuilt.txt) to source/stubdata
 
-9. Pre-built data libraries are checked in.
+10. Pre-built data libraries are checked in.
 
     Before building data file on Linux, re-run runConfigureICU Linux again
     if it's run without data.build.patch in #8 above.
 
     'make' will fail in the 1st pass. Copy source/data/in/coll/invuca.icu
     to {BUILD_DIR_ROOT}/data/out/build/icudt46l/coll and re-run 'make'
     in {BUILD_DIR_ROOT}/data.
 
     - source/data/in/icudt46l.dat : Built on Linux with all the patches
       above applied,
@@ skipping 28 matching lines @@
  * Visual Studios 9.0.
  * Cygwin with MSVC 9.0 also complains here about redefinition.
  */
 -#if (!defined(_MSC_VER) || (_MSC_VER > 1500)) && !defined(CYGWINMSVC)
 +#if (!defined(_MSC_VER) || (_MSC_VER > 1600)) && !defined(CYGWINMSVC)
  const int32_t StringPiece::npos;
  #endif
 
 14. Fix for locales that don't use '.' as decimal separator: patches/nan.patch
   - upstream bug: http://bugs.icu-project.org/trac/ticket/8561
-  - Handle other chars besides the dot. This is require because decNumber's
+  - Handle other chars besides the dot. This is required because decNumber's
     parser expects the dot as a decimal separator.
   - Locales that don't use dot were producing "NaN" values.
 
 15. Fix a bug in the regex engine.
   - patches/regex.patch
   - upstream bug: http://bugs.icu-project.org/trac/ticket/8666 (fixed in the upstream)
 
 16. Apply the upstream patch for Korean search collator support (ICU 4.6.1).
    - patches/search_collation.patch
    - upstream bug: http://bugs.icu-project.org/trac/ticket/8290
 
 17. Fix a use of uninitialized memory bug in regular expression matching
    - patches/rematch.patch
    - upstream bug: http://bugs.icu-project.org/trac/ticket/8824
 
 18. Make it compile with -Werror on gcc 4.6
-   - patches/gcc46.patch
+   - patches/gcc46.patch (ToT upstream does not have this code any more).