GL_MAX_COMBINED_TEXTURE_IMAGE_UNITS  261 ppapi/lib/gl/include/GLES2/gl2.h #define GL_MAX_COMBINED_TEXTURE_IMAGE_UNITS 0x8B4D
GL_MAX_COMBINED_TEXTURE_IMAGE_UNITS  219 third_party/khronos/GLES2/gl2.h #define GL_MAX_COMBINED_TEXTURE_IMAGE_UNITS 0x8B4D