Run SharedArrayBuffer WPT tests in virtual/sharedarraybuffer testsuite

third_party/WebKit/LayoutTests/VirtualTestSuites

 [
   {
     "prefix": "color_space",
     "base": "fast/canvas/color-space",
     "args": ["--enable-color-correct-rendering",
              "--enable-true-color-rendering"]
   },
   {
     "prefix": "gpu",
     "base": "fast/canvas",
@@ skipping 198 matching lines @@
     "args": ["--enable-blink-features=ScrollCustomization"]
   },
   {
     "prefix": "mse-1mb-buffers",
     "base": "http/tests/media/media-source/stream_memory_tests",
     "args": ["--mse-audio-buffer-size-limit=1048576",
              "--mse-video-buffer-size-limit=1048576"]
   },
   {
     "prefix": "sharedarraybuffer",
+    "base": "external/wpt/html/infrastructure/safe-passing-of-structured-data/shared-array-buffers",
+    "args": ["--js-flags=--harmony-sharedarraybuffer",
+             "--enable-blink-features=SharedArrayBuffer"]
+  },
+  {
+    "prefix": "sharedarraybuffer",
     "base": "fast/beacon",
     "args": ["--js-flags=--harmony-sharedarraybuffer",
              "--enable-blink-features=SharedArrayBuffer"]
   },
   {
     "prefix": "sharedarraybuffer",
     "base": "fast/canvas",
     "args": ["--js-flags=--harmony-sharedarraybuffer",
              "--enable-blink-features=SharedArrayBuffer"]
   },
@@ skipping 298 matching lines @@
     "prefix": "new-remote-playback-pipeline",
     "base": "media/remoteplayback",
     "args": ["--enable-features=NewRemotePlaybackPipeline"]
   },
   {
     "prefix": "new-remote-playback-pipeline",
     "base": "media/controls",
     "args": ["--enable-features=NewRemotePlaybackPipeline"]
   }
 ]