Upgrading gyp to the latest version (pulling in vs2008 support). Explicitly using vs2005 when on the buildbots.
Upgrading gyp to the latest version (pulling in vs2008 support).
Explicitly using vs2005 when on the buildbots.

Review URL: http://codereview.chromium.org/113220

git-svn-id: de016e52bd170d2d4f2344f9bf92d50478b649e0@15787 0039d316-1c4b-4281-b951-d872f2087c98

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