Enables win64 build of yuv_convert_simd_x86 without rolling x86inc.asm forward.

BUG=172129, 166496

Review URL: https://codereview.chromium.org/12036108

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@179379 0039d316-1c4b-4281-b951-d872f2087c98
3 files changed