Implement ArrayBuffer.isView.

src/arraybuffer.js

 // Copyright 2013 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 63 matching lines @@
     fin = first;
   }
   var newLen = fin - first;
   // TODO(dslomov): implement inheritance
   var result = new $ArrayBuffer(newLen);
 
   %ArrayBufferSliceImpl(this, result, first);
   return result;
 }
 
+function ArrayBufferIsView(obj) {
+  return %ArrayBufferIsView(obj);
+}
+
 function SetUpArrayBuffer() {
   %CheckIsBootstrapping();
 
   // Set up the ArrayBuffer constructor function.
   %SetCode($ArrayBuffer, ArrayBufferConstructor);
   %FunctionSetPrototype($ArrayBuffer, new $Object());
 
   // Set up the constructor property on the ArrayBuffer prototype object.
   %SetProperty($ArrayBuffer.prototype, "constructor", $ArrayBuffer, DONT_ENUM);
 
   InstallGetter($ArrayBuffer.prototype, "byteLength", ArrayBufferGetByteLength);
 
+  InstallFunctions($ArrayBuffer, DONT_ENUM, $Array(
+      "isView", ArrayBufferIsView
+  ));
+
   InstallFunctions($ArrayBuffer.prototype, DONT_ENUM, $Array(
       "slice", ArrayBufferSlice
   ));
 }
 
 SetUpArrayBuffer();