Pulling in newer version of nacl. This drops scons out of the part pulled into the chromium tree. This also switches to chrome's copy of gtest.
Pulling in newer version of nacl.
This drops scons out of the part pulled into the chromium tree.
This also switches to chrome's copy of gtest.

BUG=None
TEST=None
TBR=gregoryd

Review URL: http://codereview.chromium.org/149599

git-svn-id: de016e52bd170d2d4f2344f9bf92d50478b649e0@20599 0039d316-1c4b-4281-b951-d872f2087c98

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