glTestFenceNV    1451 ppapi/lib/gl/include/GLES2/gl2ext.h GL_APICALL GLboolean GL_APIENTRY glTestFenceNV (GLuint);
glTestFenceNV    1315 third_party/khronos/GLES2/gl2ext.h GL_APICALL GLboolean GL_APIENTRY glTestFenceNV (GLuint fence);
glTestFenceNV      36 ui/gl/gl_fence.cc     return !!glTestFenceNV(fence_);