2d_canvas string - Canvas.flash_3d string - Flash.flash_stage3d string - Flash Stage3D.flash_stage3d_baseline string - Flash Stage3D Baseline profile.gpu_compositing string - Compositing.multiple_raster_threads string - Multiple Raster Threads.native_gpu_memory_buffers string - Native GpuMemoryBuffers.rasterization string - Rasterization.video_decode string - Video Decode.video_encode string - Video Encode.vpx_decode string - VPx Video Decode.webgl string - WebGL.webgl2 string - WebGL2.Possible values:
disabled_software - Software only. Hardware acceleration disabled (yellow)disabled_off - Disabled (red)disabled_off_ok - Disabled (yellow)unavailable_software - Software only, hardware acceleration unavailable (yellow)unavailable_off - Unavailable (red)unavailable_off_ok - Unavailable (yellow)enabled_readback - Hardware accelerated but at reduced performance (yellow)enabled_force - Hardware accelerated on all pages (green)enabled - Hardware accelerated (green)enabled_on - Enabled (green)enabled_force_on - Force enabled (green)