1 files changed, 61 insertions, 0 deletions
diff --git a/chromium/third_party/blink/renderer/platform/bindings/v8_set_return_value.cc b/chromium/third_party/blink/renderer/platform/bindings/v8_set_return_value.cc
new file mode 100644
index 00000000000..a80ede46d7d
--- /dev/null
+++ b/chromium/third_party/blink/renderer/platform/bindings/v8_set_return_value.cc
@@ -0,0 +1,61 @@
+// Copyright 2020 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "third_party/blink/renderer/platform/bindings/v8_set_return_value.h"
+
+#include "third_party/blink/renderer/platform/bindings/runtime_call_stats.h"
+#include "third_party/blink/renderer/platform/bindings/v8_per_context_data.h"
+
+namespace blink {
+
+namespace bindings {
+
+v8::Local<v8::Object> CreatePropertyDescriptorObject(
+    v8::Isolate* isolate,
+    const v8::PropertyDescriptor& desc) {
+  // https://tc39.es/ecma262/#sec-frompropertydescriptor
+  v8::Local<v8::Context> current_context = isolate->GetCurrentContext();
+  v8::Local<v8::Object> object = v8::Object::New(isolate);
+
+  auto add_property = [&](const char* name, v8::Local<v8::Value> value) {
+    return object->CreateDataProperty(current_context, V8String(isolate, name),
+                                      value);
+  };
+  auto add_property_bool = [&](const char* name, bool value) {
+    return add_property(name, value ? v8::True(isolate) : v8::False(isolate));
+  };
+
+  bool result;
+  if (desc.has_value()) {
+    if (!(add_property("value", desc.value()).To(&result) &&
+          add_property_bool("writable", desc.writable()).To(&result)))
+      return v8::Local<v8::Object>();
+  } else {
+    if (!(add_property("get", desc.get()).To(&result) &&
+          add_property("set", desc.set()).To(&result)))
+      return v8::Local<v8::Object>();
+  }
+  if (!(add_property_bool("enumerable", desc.enumerable()).To(&result) &&
+        add_property_bool("configurable", desc.configurable()).To(&result)))
+    return v8::Local<v8::Object>();
+
+  return object;
+}
+
+v8::Local<v8::Value> GetInterfaceObjectExposedOnGlobal(
+    v8::Isolate* isolate,
+    v8::Local<v8::Object> creation_context,
+    const WrapperTypeInfo* wrapper_type_info) {
+  RUNTIME_CALL_TIMER_SCOPE_DISABLED_BY_DEFAULT(
+      isolate, "Blink_GetInterfaceObjectExposedOnGlobal");
+  V8PerContextData* per_context_data =
+      V8PerContextData::From(creation_context->CreationContext());
+  if (!per_context_data)
+    return v8::Local<v8::Value>();
+  return per_context_data->ConstructorForType(wrapper_type_info);
+}
+
+}  // namespace bindings
+
+}  // namespace blink