Clean up remnants of direct use of PNACL_BROWSER_TRANSLATOR
Clean up remnants of direct use of PNACL_BROWSER_TRANSLATOR

BUG=
R=kschimpf@google.com, stichnot@chromium.org

Review URL: https://codereview.chromium.org/1514193003 .

Patch from Reed Kotler <rkotlerimgtec@gmail.com>.

google/swiftshader,google/swiftshader,bkaradzic/SwiftShader,bkaradzic/SwiftShader,google/swiftshader,bkaradzic/SwiftShader,bkaradzic/SwiftShader,bkaradzic/SwiftShader