Revert "Apply numeric casts correctly in typed arrays and related code."

src/runtime.h

Index: src/runtime.h
diff --git a/src/runtime.h b/src/runtime.h
index 23d6d95fb50046840702040fb54fb260786f10f8..99c575f22706f917836199ff4de7e45841a939fc 100644
--- a/src/runtime.h
+++ b/src/runtime.h
@@ -365,7 +365,6 @@ namespace internal {
   F(ArrayBufferGetByteLength, 1, 1)\
   F(ArrayBufferSliceImpl, 3, 1) \
   F(ArrayBufferIsView, 1, 1) \
-  F(ArrayBufferNeuter, 1, 1) \
   \
   F(TypedArrayInitialize, 5, 1) \
   F(TypedArrayInitializeFromArrayLike, 4, 1) \
@@ -829,8 +828,6 @@ class Runtime : public AllStatic {
       size_t allocated_length,
       bool initialize = true);
 
-  static void NeuterArrayBuffer(Handle<JSArrayBuffer> array_buffer);
-
   static void FreeArrayBuffer(
       Isolate* isolate,
       JSArrayBuffer* phantom_array_buffer);