Make ICU C++ 11 compliant on Windows

README.chromium

 Name: icu
 URL: http://site.icu-project.org/
 Version: 52.1
 License: MIT
 Security Critical: yes
 
 Description:
 This directory contains the source code of ICU 52.1 for C/C++
 
 1. It was obtained with the following:
@@ skipping 145 matching lines @@
         upstream bug: http://bugs.icu-project.org/trac/ticket/10486 
         fixed in ICU 53)
      d. Explicitly use Windows 'A' API when argument is an LPSTR in wintz.c
         upstream bug : http://bugs.icu-project.org/trac/ticket/10870
 
   - patches/data.build.patch :
       Remove unnecessary resources : invuca, unames, collator source, stringprep
   - patches/data.build.win.patch :
       Windows-only data build patch.
 
+  - patches/clang_win.patch :
+    Take care of 3 warnings from clang and MSVC 2013. 
+    upstream bug : http://bugs.icu-project.org/trac/ticket/11102
+
 9. Pre-built data files are checked in with the following steps on Linux:
 
     a. Make a icu data build directory outside the Chromium source tree 
        and cd to that directory.
     b. Run 
 
       ${CHROME_ICU_TREE_TOP}/source/runConfigureICU Linux --disable-layout
 
     c. Run 'make'
     d. 'make' will fail in the 1st pass. Copy 
@@ skipping 44 matching lines @@
       c. In Visual Studio, open source/allinone/allinone.sln solution
          in ${SEPARATE_ICU_ROOT}
       d. Build 'makedata' target 
       e. icudt52.dll will be generated in ${SEPARATE_ICU_ROOT}/bin
       f. Copy that icudt52.dll to ${CHROME_ICU_ROOT}/windows/icudt.dll 
          and check that in.
 
 
 10. Change export of U_ICUDATA_ENTRY_POINT from U_IMPORT to U_EXPORT.
     - patches/declspec.patch