Revert "Add constant folding support for geometric built-ins" This is failing gpu_unittests on Mac: ShaderTranslatorTest.BuiltInFunctionEmulation: ../../gpu/command_buffer/service/shader_translator_unittest.cc:314: Failure Value of: strstr(translated_source.c_str(), "webgl_dot_emu") != NULL Actual: false Expected: true Reverting until we can fix the overly-narrow test. BUG=angleproject:913 This reverts commit b50788d11dec046415565af1cc7da334e2979577. Change-Id: I5bd9df83704e771e419339745eceaa43a20bd1e6 Reviewed-on: https://chromium-review.googlesource.com/275320 Reviewed-by: Jamie Madill <jmadill@chromium.org> Tested-by: Jamie Madill <jmadill@chromium.org>