GPUFeatureStatus Object 
- 2d_canvasstring - Canvas.
- flash_3dstring - Flash.
- flash_stage3dstring - Flash Stage3D.
- flash_stage3d_baselinestring - Flash Stage3D Baseline profile.
- gpu_compositingstring - Compositing.
- multiple_raster_threadsstring - Multiple Raster Threads.
- native_gpu_memory_buffersstring - Native GpuMemoryBuffers.
- rasterizationstring - Rasterization.
- video_decodestring - Video Decode.
- video_encodestring - Video Encode.
- vpx_decodestring - VPx Video Decode.
- webglstring - WebGL.
- webgl2string - 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)