Added an extra flag that enables only ArrayBuffer.

src/typedarray.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 13 matching lines @@
 // 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.
 
 "use strict";
 
 // This file relies on the fact that the following declaration has been made
 // in runtime.js:
 // var $Array = global.Array;
 
-var $ArrayBuffer = global.ArrayBuffer;
 
-// -------------------------------------------------------------------
-
-function ArrayBufferConstructor(byteLength) { // length = 1
-  if (%_IsConstructCall()) {
-    var l = TO_POSITIVE_INTEGER(byteLength);
-    %ArrayBufferInitialize(this, l);
-  } else {
-    return new $ArrayBuffer(byteLength);
-  }
-}
-
-function ArrayBufferGetByteLength() {
-  if (!IS_ARRAYBUFFER(this)) {
-    throw MakeTypeError('incompatible_method_receiver',
-                        ['ArrayBuffer.prototype.byteLength', this]);
-  }
-  return %ArrayBufferGetByteLength(this);
-}
-
-// ES6 Draft 15.13.5.5.3
-function ArrayBufferSlice(start, end) {
-  if (!IS_ARRAYBUFFER(this)) {
-    throw MakeTypeError('incompatible_method_receiver',
-                        ['ArrayBuffer.prototype.slice', this]);
-  }
-
-  var relativeStart = TO_INTEGER(start);
-  var first;
-  if (relativeStart < 0) {
-    first = MathMax(this.byteLength + relativeStart, 0);
-  } else {
-    first = MathMin(relativeStart, this.byteLength);
-  }
-  var relativeEnd = IS_UNDEFINED(end) ? this.byteLength : TO_INTEGER(end);
-  var fin;
-  if (relativeEnd < 0) {
-    fin = MathMax(this.byteLength + relativeEnd, 0);
-  } else {
-    fin = MathMin(relativeEnd, this.byteLength);
-  }
-
-  var newLen = fin - first;
-  // TODO(dslomov): implement inheritance
-  var result = new $ArrayBuffer(newLen);
-
-  %ArrayBufferSliceImpl(this, result, first);
-  return result;
-}
 
 // --------------- Typed Arrays ---------------------
 
 function CreateTypedArrayConstructor(name, elementSize, arrayId, constructor) {
   function ConstructByArrayBuffer(obj, buffer, byteOffset, length) {
     var offset = IS_UNDEFINED(byteOffset) ? 0 : TO_POSITIVE_INTEGER(byteOffset);
 
     if (offset % elementSize !== 0) {
       throw MakeRangeError("invalid_typed_array_alignment",
           "start offset", name, elementSize);
@@ skipping 18 matching lines @@
     }
     if (offset + newByteLength > bufferByteLength) {
       throw MakeRangeError("invalid_typed_array_length");
     }
     %TypedArrayInitialize(obj, arrayId, buffer, offset, newByteLength);
   }
 
   function ConstructByLength(obj, length) {
     var l = IS_UNDEFINED(length) ? 0 : TO_POSITIVE_INTEGER(length);
     var byteLength = l * elementSize;
-    var buffer = new $ArrayBuffer(byteLength);
+    var buffer = new global.ArrayBuffer(byteLength);
     %TypedArrayInitialize(obj, arrayId, buffer, 0, byteLength);
   }
 
   function ConstructByArrayLike(obj, arrayLike) {
     var length = arrayLike.length;
     var l =  IS_UNDEFINED(length) ? 0 : TO_POSITIVE_INTEGER(length);
     var byteLength = l * elementSize;
     var buffer = new $ArrayBuffer(byteLength);
     %TypedArrayInitialize(obj, arrayId, buffer, 0, byteLength);
     for (var i = 0; i < l; i++) {
@@ skipping 57 matching lines @@
     var beginByteOffset =
         %TypedArrayGetByteOffset(this) + beginInt * elementSize;
     return new constructor(%TypedArrayGetBuffer(this),
                            beginByteOffset, newLength);
   }
 }
 
 
 // -------------------------------------------------------------------
 
-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.prototype, DONT_ENUM, $Array(
-      "slice", ArrayBufferSlice
-  ));
-}
-
-SetUpArrayBuffer();
-
 function SetupTypedArray(arrayId, name, constructor, elementSize) {
   %CheckIsBootstrapping();
   var fun = CreateTypedArrayConstructor(name, elementSize,
                                         arrayId, constructor);
   %SetCode(constructor, fun);
   %FunctionSetPrototype(constructor, new $Object());
 
   %SetProperty(constructor.prototype,
                "constructor", constructor, DONT_ENUM);
   %SetProperty(constructor.prototype,
@@ skipping 12 matching lines @@
 // arrayIds below should be synchronized with Runtime_TypedArrayInitialize.
 SetupTypedArray(1, "Uint8Array", global.Uint8Array, 1);
 SetupTypedArray(2, "Int8Array", global.Int8Array, 1);
 SetupTypedArray(3, "Uint16Array", global.Uint16Array, 2);
 SetupTypedArray(4, "Int16Array", global.Int16Array, 2);
 SetupTypedArray(5, "Uint32Array", global.Uint32Array, 4);
 SetupTypedArray(6, "Int32Array", global.Int32Array, 4);
 SetupTypedArray(7, "Float32Array", global.Float32Array, 4);
 SetupTypedArray(8, "Float64Array", global.Float64Array, 8);
 SetupTypedArray(9, "Uint8ClampedArray", global.Uint8ClampedArray, 1);