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

third_party/WebKit/LayoutTests/webaudio/AudioBuffer/audiobuffer-copy-channel.html

Index: third_party/WebKit/LayoutTests/webaudio/AudioBuffer/audiobuffer-copy-channel.html
diff --git a/third_party/WebKit/LayoutTests/webaudio/AudioBuffer/audiobuffer-copy-channel.html b/third_party/WebKit/LayoutTests/webaudio/AudioBuffer/audiobuffer-copy-channel.html
index dfd55bdd0e4ec0716465221ca8d40ec7bf65242b..2b1db0abe97e00e485b453eb870f21b3a2a47738 100644
--- a/third_party/WebKit/LayoutTests/webaudio/AudioBuffer/audiobuffer-copy-channel.html
+++ b/third_party/WebKit/LayoutTests/webaudio/AudioBuffer/audiobuffer-copy-channel.html
@@ -146,19 +146,6 @@
           }, "7: buffer.copyFromChannel(x, 3)")
           .throw("IndexSizeError");
 
-        if (window.SharedArrayBuffer) {
-          var shared_buffer = new Float32Array(new SharedArrayBuffer(32));
-          should(() => {
-              buffer.copyFromChannel(shared_buffer, 0);
-            }, "8: buffer.copyFromChannel(SharedArrayBuffer view, 0)")
-            .throw("TypeError");
-
-          should(() => {
-              buffer.copyFromChannel(shared_buffer, 0, 0);
-            }, "9: buffer.copyFromChannel(SharedArrayBuffer view, 0, 0)")
-            .throw("TypeError");
-        }
-
         task.done();
       });
 
@@ -196,19 +183,6 @@
             buffer.copyToChannel(x, 3);
           }, "6: buffer.copyToChannel(x, 3)")
           .throw("IndexSizeError");
-
-        if (window.SharedArrayBuffer) {
-          var shared_buffer = new Float32Array(new SharedArrayBuffer(32));
-          should(() => {
-              buffer.copyToChannel(shared_buffer, 0);
-            }, "7: buffer.copyToChannel(SharedArrayBuffer view, 0)")
-            .throw("TypeError");
-
-          should(() => {
-              buffer.copyToChannel(shared_buffer, 0, 0);
-            }, "8: buffer.copyToChannel(SharedArrayBuffer view, 0, 0)")
-            .throw("TypeError");
-        }
 
         task.done();
       });