GL_EXT_occlusion_query_boolean 1115 ppapi/lib/gl/include/GLES2/gl2ext.h #define GL_EXT_occlusion_query_boolean 1
GL_EXT_occlusion_query_boolean  837 third_party/khronos/GLES2/gl2ext.h #define GL_EXT_occlusion_query_boolean 1