binding: Introduces ExceptionToPromiseScope.

third_party/WebKit/Source/bindings/tests/results/core/V8TestSpecialOperations.cpp

 // Copyright 2014 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.
 
 // This file has been auto-generated by code_generator_v8.py. DO NOT MODIFY!
 
 #include "V8TestSpecialOperations.h"
 
 #include "bindings/core/v8/ExceptionState.h"
 #include "bindings/core/v8/GeneratedCodeHelper.h"
@@ skipping 38 matching lines @@
     std::is_same<decltype(&TestSpecialOperations::hasPendingActivity),
                  decltype(&ScriptWrappable::hasPendingActivity)>::value,
     "TestSpecialOperations is overriding hasPendingActivity(), but is not specifying "
     "[ActiveScriptWrappable] extended attribute in the IDL file.  "
     "Be consistent.");
 
 namespace TestSpecialOperationsV8Internal {
 
 static void namedItemMethod(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
+    TestSpecialOperations* impl = V8TestSpecialOperations::toImpl(info.Holder());
+
     if (UNLIKELY(info.Length() < 1)) {
-        V8ThrowException::throwException(info.GetIsolate(), V8ThrowException::createTypeError(info.GetIsolate(), ExceptionMessages::failedToExecute("namedItem", "TestSpecialOperations", ExceptionMessages::notEnoughArguments(1, info.Length()))));
+        V8ThrowException::throwTypeError(info.GetIsolate(), ExceptionMessages::failedToExecute("namedItem", "TestSpecialOperations", ExceptionMessages::notEnoughArguments(1, info.Length())));
         return;
     }
-    TestSpecialOperations* impl = V8TestSpecialOperations::toImpl(info.Holder());
+
     V8StringResource<> name;
-    {
-        name = info[0];
-        if (!name.prepare())
-            return;
-    }
+    name = info[0];
+    if (!name.prepare())
+        return;
+
     NodeOrNodeList result;
     impl->getItem(name, result);
     v8SetReturnValue(info, result);
 }
 
 static void namedItemMethodCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TestSpecialOperationsV8Internal::namedItemMethod(info);
 }
 
@@ skipping 135 matching lines @@
 {
     return V8PerIsolateData::from(isolate)->findInstanceInPrototypeChain(&wrapperTypeInfo, v8Value);
 }
 
 TestSpecialOperations* V8TestSpecialOperations::toImplWithTypeCheck(v8::Isolate* isolate, v8::Local<v8::Value> value)
 {
     return hasInstance(value, isolate) ? toImpl(v8::Local<v8::Object>::Cast(value)) : nullptr;
 }
 
 } // namespace blink