GL_COMPRESSED_RGB_S3TC_DXT1_EXT  380 ppapi/lib/gl/include/GLES2/gl2ext.h #define GL_COMPRESSED_RGB_S3TC_DXT1_EXT                         0x83F0
GL_COMPRESSED_RGB_S3TC_DXT1_EXT 1013 third_party/khronos/GLES2/gl2ext.h #define GL_COMPRESSED_RGB_S3TC_DXT1_EXT   0x83F0