Revert of [es6] Correctify and unify ArrayBuffer and SharedArrayBuffer constructors.

src/bootstrapper.cc

Index: src/bootstrapper.cc
diff --git a/src/bootstrapper.cc b/src/bootstrapper.cc
index 86d0a5fcb543a81b01c28ec5b7390f3f1854e3a2..64b37256df24cde63e055b136588cbf499ba5581 100644
--- a/src/bootstrapper.cc
+++ b/src/bootstrapper.cc
@@ -204,8 +204,6 @@
   HARMONY_SHIPPING(DECLARE_FEATURE_INITIALIZATION)
 #undef DECLARE_FEATURE_INITIALIZATION
 
-  Handle<JSFunction> InstallArrayBuffer(Handle<JSObject> target,
-                                        const char* name);
   Handle<JSFunction> InstallInternalArray(Handle<JSObject> target,
                                           const char* name,
                                           ElementsKind elements_kind);
@@ -1250,7 +1248,11 @@
 
   {  // -- A r r a y B u f f e r
     Handle<JSFunction> array_buffer_fun =
-        InstallArrayBuffer(global, "ArrayBuffer");
+        InstallFunction(
+            global, "ArrayBuffer", JS_ARRAY_BUFFER_TYPE,
+            JSArrayBuffer::kSizeWithInternalFields,
+            isolate->initial_object_prototype(),
+            Builtins::kIllegal);
     native_context()->set_array_buffer_fun(*array_buffer_fun);
   }
 
@@ -2065,9 +2067,13 @@
 void Genesis::InitializeGlobal_harmony_sharedarraybuffer() {
   if (!FLAG_harmony_sharedarraybuffer) return;
 
-  Handle<JSGlobalObject> global(native_context()->global_object());
-  Handle<JSFunction> shared_array_buffer_fun =
-      InstallArrayBuffer(global, "SharedArrayBuffer");
+  Handle<JSGlobalObject> global(
+      JSGlobalObject::cast(native_context()->global_object()));
+
+  Handle<JSFunction> shared_array_buffer_fun = InstallFunction(
+      global, "SharedArrayBuffer", JS_ARRAY_BUFFER_TYPE,
+      JSArrayBuffer::kSizeWithInternalFields,
+      isolate()->initial_object_prototype(), Builtins::kIllegal);
   native_context()->set_shared_array_buffer_fun(*shared_array_buffer_fun);
 }
 
@@ -2118,39 +2124,6 @@
   proxy_fun->shared()->set_internal_formal_parameter_count(2);
   proxy_fun->shared()->set_length(2);
   native_context()->set_proxy_function(*proxy_fun);
-}
-
-
-Handle<JSFunction> Genesis::InstallArrayBuffer(Handle<JSObject> target,
-                                               const char* name) {
-  // Setup the {prototype} with the given {name} for @@toStringTag.
-  Handle<JSObject> prototype =
-      factory()->NewJSObject(isolate()->object_function(), TENURED);
-  JSObject::AddProperty(prototype, factory()->to_string_tag_symbol(),
-                        factory()->NewStringFromAsciiChecked(name),
-                        static_cast<PropertyAttributes>(DONT_ENUM | READ_ONLY));
-
-  // Allocate the constructor with the given {prototype}.
-  Handle<JSFunction> array_buffer_fun =
-      InstallFunction(target, name, JS_ARRAY_BUFFER_TYPE,
-                      JSArrayBuffer::kSizeWithInternalFields, prototype,
-                      Builtins::kArrayBufferConstructor);
-  array_buffer_fun->shared()->set_construct_stub(
-      *isolate()->builtins()->ArrayBufferConstructor_ConstructStub());
-  array_buffer_fun->shared()->set_internal_formal_parameter_count(1);
-  array_buffer_fun->shared()->set_length(1);
-
-  // Install the "constructor" property on the {prototype}.
-  JSObject::AddProperty(prototype, factory()->constructor_string(),
-                        array_buffer_fun, DONT_ENUM);
-
-  Handle<JSFunction> array_buffer_is_view_fun = InstallFunction(
-      array_buffer_fun, "isView", JS_OBJECT_TYPE, JSObject::kHeaderSize,
-      MaybeHandle<JSObject>(), Builtins::kArrayBufferIsView);
-  array_buffer_is_view_fun->shared()->set_internal_formal_parameter_count(1);
-  array_buffer_is_view_fun->shared()->set_length(1);
-
-  return array_buffer_fun;
 }