Implement IntToString-type methods without using a format string.  I'm not sure if this will actually be more efficient.  Also will make Int64ToString work on other platforms, since the old code used msvc-only %I64.  Added a bunch of methods to have the whole Int/Int64 String/WString suite.

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@784 0039d316-1c4b-4281-b951-d872f2087c98
3 files changed