[
  {
    "prefix": "gpu",
    "base": "fast/canvas",
    "args": ["--enable-accelerated-2d-canvas"]
  },
  {
    "prefix": "gpu",
    "base": "canvas/philip",
    "args": ["--enable-accelerated-2d-canvas"]
  },
  {
    "prefix": "display_list_2d_canvas",
    "base": "fast/canvas",
    "args": ["--enable-display-list-2d-canvas"]
  },
  {
    "prefix": "display_list_2d_canvas",
    "base": "canvas/philip",
    "args": ["--enable-display-list-2d-canvas"]
  },
  {
    "prefix": "threaded",
    "base": "compositing/visibility",
    "args": ["--enable-threaded-compositing"]
  },
  {
    "prefix": "threaded",
    "base": "compositing/webgl",
    "args": ["--enable-threaded-compositing"]
  },
  {
    "prefix": "deferred",
    "base": "fast/images",
    "args": ["--enable-deferred-image-decoding",
             "--enable-per-tile-painting"]
  },
  {
    "prefix": "deferred",
    "base": "inspector/timeline",
    "args": ["--enable-deferred-image-decoding",
             "--enable-per-tile-painting"]
  },
  {
    "prefix": "deferred",
    "base": "inspector/tracing",
    "args": ["--enable-deferred-image-decoding",
             "--enable-per-tile-painting"]
  },
  {
    "prefix": "prefer_compositing_to_lcd_text",
    "base": "compositing/overflow",
    "args": ["--enable-prefer-compositing-to-lcd-text"]
  },
  {
    "prefix": "prefer_compositing_to_lcd_text",
    "base": "scrollbars",
    "args": ["--enable-prefer-compositing-to-lcd-text"]
  },
  {
    "prefix": "threaded",
    "base": "animations",
    "args": ["--enable-threaded-compositing"]
  },
  {
    "prefix": "threaded",
    "base": "transitions",
    "args": ["--enable-threaded-compositing"]
  },
  {
    "prefix": "stable",
    "base": "webexposed",
    "args": ["--stable-release-mode"]
  },
  {
    "prefix": "stable",
    "base": "animations-unprefixed",
    "args": ["--stable-release-mode"]
  },
  {
    "prefix": "stable",
    "base": "media/stable",
    "args": ["--stable-release-mode"]
  },
  {
    "prefix": "android",
    "base": "fullscreen",
    "args": ["--enable-threaded-compositing",
             "--enable-fixed-position-compositing", "--enable-prefer-compositing-to-lcd-text",
             "--enable-composited-scrolling-for-frames", "--enable-gesture-tap-highlight", "--enable-pinch",
             "--enable-overlay-fullscreen-video", "--enable-overlay-scrollbars", "--enable-overscroll-notifications",
             "--enable-fixed-layout", "--enable-viewport", "--disable-canvas-aa",
             "--disable-composited-antialiasing"]
  },
  {
    "prefix": "implsidepainting",
    "base": "inspector/timeline",
    "args": ["--enable-threaded-compositing", "--enable-impl-side-painting"]
  },
  {
    "prefix": "implsidepainting",
    "base": "inspector/tracing",
    "args": ["--enable-threaded-compositing", "--enable-impl-side-painting"]
  },
  {
    "prefix": "stable",
    "base": "fast/css3-text/css3-text-decoration/stable",
    "args": ["--stable-release-mode"]
  },
  {
    "prefix": "stable",
    "base": "web-animations-api",
    "args": ["--stable-release-mode"]
  },
  {
    "prefix": "linux-subpixel",
    "base": "platform/linux/fast/text/subpixel",
    "args": ["--enable-webkit-text-subpixel-positioning"]
  },
  {
    "prefix": "antialiasedtext",
    "base": "fast/text",
    "args": ["--enable-direct-write",
             "--enable-font-antialiasing"]
  },
  {
    "prefix": "threaded",
    "base": "printing",
    "args": ["--enable-threaded-compositing"]
  },
  {
    "prefix": "regionbasedmulticol",
    "base": "fast/multicol",
    "args": ["--enable-region-based-columns"]
  },
  {
    "prefix": "regionbasedmulticol",
    "base": "fast/pagination",
    "args": ["--enable-region-based-columns"]
  },
  {
    "prefix": "textblob",
    "base": "fast/text",
    "args": ["--enable-text-blobs"]
  },
  {
    "prefix": "textblob",
    "base": "svg/text",
    "args": ["--enable-text-blobs"]
  },
  {
    "prefix": "slimmingpaint",
    "base": "fast/block",
    "args": ["--enable-slimming-paint"]
  }
]