glGenFencesNV    1449 ppapi/lib/gl/include/GLES2/gl2ext.h GL_APICALL void GL_APIENTRY glGenFencesNV (GLsizei, GLuint *);
glGenFencesNV    1313 third_party/khronos/GLES2/gl2ext.h GL_APICALL void GL_APIENTRY glGenFencesNV (GLsizei n, GLuint *fences);
glGenFencesNV      26 ui/gl/gl_fence.cc     glGenFencesNV(1, &fence_);