Store result of | operator in a variable instead of just the filename.
Store result of | operator in a variable instead of just the filename.

That way, the | operator can be changed to return a different filename (say,
below the out/ directory) in gyp without affecting the gyp files.

No intended behaviour change.

BUG=chromium:297186

Review URL: https://codereview.chromium.org/27148002

git-svn-id: 721b910a23eff8a86f00c8fd261a7587cddf18f8@12254 fcba33aa-ac0c-11dd-b9e7-8d5594d729c2

sbc100/native_client,sbc100/native_client,sbc100/native_client,sbc100/native_client,sbc100/native_client,sbc100/native_client