Add TypeChecking=Unrestricted to DataView

Source/core/dom/DataView.idl

 /*
  * Copyright (C) 2010 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  *
  * 1.  Redistributions of source code must retain the above copyright
  *     notice, this list of conditions and the following disclaimer.
  * 2.  Redistributions in binary form must reproduce the above copyright
@@ skipping 10 matching lines @@
  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 // https://www.khronos.org/registry/typedarray/specs/latest/#DATAVIEW
 
 [
     Exposed=(Window,Worker),
     ImplementedAs=DOMDataView,
-    TypeChecking=Interface,
+    TypeChecking=(Interface,Unrestricted),
 ] interface DataView : ArrayBufferView {
     // All these methods raise an exception if they would read or write beyond the end of the view.
 
     [RaisesException] byte getInt8(unsigned long byteOffset);
     [RaisesException] octet getUint8(unsigned long byteOffset);
 
     [RaisesException] short getInt16(unsigned long byteOffset, optional boolean littleEndian);
     [RaisesException] unsigned short getUint16(unsigned long byteOffset, optional boolean littleEndian);
     [RaisesException] long getInt32(unsigned long byteOffset, optional boolean littleEndian);
     [RaisesException] unsigned long getUint32(unsigned long byteOffset, optional boolean littleEndian);
 
-    // Use custom code to handle NaN case for JSC.
     [RaisesException] float getFloat32(unsigned long byteOffset, optional boolean littleEndian);
     [RaisesException] double getFloat64(unsigned long byteOffset, optional boolean littleEndian);
 
     [RaisesException] void setInt8(unsigned long byteOffset, byte value);
     [RaisesException] void setUint8(unsigned long byteOffset, octet value);
 
     [RaisesException] void setInt16(unsigned long byteOffset, short value, optional boolean littleEndian);
     [RaisesException] void setUint16(unsigned long byteOffset, unsigned short value, optional boolean littleEndian);
     [RaisesException] void setInt32(unsigned long byteOffset, long value, optional boolean littleEndian);
     [RaisesException] void setUint32(unsigned long byteOffset, unsigned long value, optional boolean littleEndian);
-    [RaisesException] void setFloat32(unsigned long byteOffset, float value, optional boolean littleEndian);
-    [RaisesException] void setFloat64(unsigned long byteOffset, double value, optional boolean littleEndian);
+    [RaisesException] void setFloat32(unsigned long byteOffset, unrestricted float value, optional boolean littleEndian);
+    [RaisesException] void setFloat64(unsigned long byteOffset, unrestricted double value, optional boolean littleEndian);
 };