GL_SRGB_ALPHA_EXT  373 ppapi/lib/gl/include/GLES2/gl2ext.h #define GL_SRGB_ALPHA_EXT                                       0x8C42
GL_SRGB_ALPHA_EXT  880 third_party/khronos/GLES2/gl2ext.h #define GL_SRGB_ALPHA_EXT                 0x8C42