Issues with size_t => int conversions when using cef_values.h API on Win x64 platform

[GoogleCodeExporter]

Issue reported here:
https://code.google.com/p/chromiumembedded/issues/detail?id=1491

    [compile.bat] Building libcefpythonapp vcproj
    Build started: Project: libcefpythonapp_py27_64bit, Configuration: Release|x64
    Compiling...
    cefpython_app.cpp
    v8utils.cpp
    1>.\v8utils.cpp(40) : warning C4267: 'argument' : conversion from 'size_t' to 'int', possible loss of data
    1>.\v8utils.cpp(42) : warning C4267: 'argument' : conversion from 'size_t' to 'int', possible loss of data
    1>.\v8utils.cpp(44) : warning C4267: 'argument' : conversion from 'size_t' to 'int', possible loss of data
    1>.\v8utils.cpp(49) : warning C4267: 'argument' : conversion from 'size_t' to 'int', possible loss of data
    1>.\v8utils.cpp(51) : warning C4267: 'argument' : conversion from 'size_t' to 'int', possible loss of data
    1>.\v8utils.cpp(60) : warning C4267: 'argument' : conversion from 'size_t' to 'int', possible loss of data
    1>.\v8utils.cpp(62) : warning C4267: 'argument' : conversion from 'size_t' to 'int', possible loss of data
    1>.\v8utils.cpp(71) : warning C4267: 'argument' : conversion from 'size_t' to 'int', possible loss of data
    1>.\v8utils.cpp(81) : warning C4267: 'argument' : conversion from 'size_t' to 'int', possible loss of data
    1>.\v8utils.cpp(83) : warning C4267: 'argument' : conversion from 'size_t' to 'int', possible loss of data
    1>.\v8utils.cpp(91) : warning C4267: 'argument' : conversion from 'size_t' to 'int', possible loss of data
    1>.\v8utils.cpp(93) : warning C4267: 'argument' : conversion from 'size_t' to 'int', possible loss of data
    1>.\v8utils.cpp(230) : warning C4267: 'initializing' : conversion from 'size_t' to 'int', possible loss of data

Original issue reported on code.google.com by czarek.t...@gmail.com on 16 Jan 2015 at 1:20