Revert 92714 - roll gyp r941:r948
Revert 92714 - roll gyp r941:r948

Changes:
* make generator honors FLOCK variable for flock control
* Input reading is 3s faster
* mac make generator can build base, v8, webcore_platform

BUG=none
TEST=none
TBR=evan

Review URL: http://codereview.chromium.org/7390014

TBR=thakis@chromium.org
Review URL: http://codereview.chromium.org/7387016

git-svn-id: de016e52bd170d2d4f2344f9bf92d50478b649e0@92718 0039d316-1c4b-4281-b951-d872f2087c98

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