Fix bad_alloc linkage error on chromeos valgrind bots. part 1.  Seems like some of test binaries are now big enough that gold cannot link  with gc-sectinos. This CL add gyp variable to turn it off. I'll add this  flag to master.cfg in separate CL.
Fix bad_alloc linkage error on chromeos valgrind bots. part 1.
 Seems like some of test binaries are now big enough that gold cannot link  with gc-sectinos.
This CL add gyp variable to turn it off. I'll add this  flag to master.cfg in separate CL.

BUG=44241
TEST=chromeos valgrind bot should be able to link test binaries.

Review URL: http://codereview.chromium.org/2112004

git-svn-id: http://src.chromium.org/svn/trunk/src@47351 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

Former-commit-id: bd8297dbbc78896efbe5a0f0a0a0a3e3b86763ef
meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser