Revert of [SharedArrayBuffer] Prevent SharedArrayBuffer being used in Web APIs

third_party/WebKit/LayoutTests/webaudio/IIRFilter/iirfilter-basic.html

Index: third_party/WebKit/LayoutTests/webaudio/IIRFilter/iirfilter-basic.html
diff --git a/third_party/WebKit/LayoutTests/webaudio/IIRFilter/iirfilter-basic.html b/third_party/WebKit/LayoutTests/webaudio/IIRFilter/iirfilter-basic.html
index 9c693e4e5982d87d458cc6d231811b5c1502ceb9..43ffe8128b371733a5b8f96f81074c033f663e56 100644
--- a/third_party/WebKit/LayoutTests/webaudio/IIRFilter/iirfilter-basic.html
+++ b/third_party/WebKit/LayoutTests/webaudio/IIRFilter/iirfilter-basic.html
@@ -188,27 +188,6 @@
               30));
           }).notThrow() && success;
 
-        if (window.SharedArrayBuffer) {
-          var shared_view = new Float32Array(new SharedArrayBuffer(4));
-          var nonshared_view = new Float32Array(1);
-
-          success = Should(
-              "getFrequencyResponse(shared_view, nonshared_view, nonshared_view)",
-              function () {
-                f.getFrequencyResponse(shared_view, nonshared_view, nonshared_view);
-            }).throw("TypeError") && success;
-          success = Should(
-              "getFrequencyResponse(nonshared_view, shared_view, nonshared_view)",
-              function () {
-                f.getFrequencyResponse(nonshared_view, shared_view, nonshared_view);
-            }).throw("TypeError") && success;
-          success = Should(
-              "getFrequencyResponse(nonshared_view, nonshared_view, shared_view)",
-              function () {
-                f.getFrequencyResponse(nonshared_view, nonshared_view, shared_view);
-            }).throw("TypeError") && success;
-        }
-
         Should("getFrequencyResponse exceptions handled", success)
           .summarize("correctly", "incorrectly");
         done();