Make DataTransferItem.getAsString() argument mandatory and nullable

Source/bindings/tests/results/V8TestObject.cpp

 /*
     This file is part of the Blink open source project.
     This file has been auto-generated by CodeGeneratorV8.pm. DO NOT MODIFY!
 
     This library is free software; you can redistribute it and/or
     modify it under the terms of the GNU Library General Public
     License as published by the Free Software Foundation; either
     version 2 of the License, or (at your option) any later version.
 
     This library is distributed in the hope that it will be useful,
@@ skipping 3744 matching lines @@
     return;
 }
 
 static void methodWithCallbackAndOptionalArgMethodCallback(const v8::FunctionCallbackInfo<v8::Value>& args)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMMethod");
     TestObjV8Internal::methodWithCallbackAndOptionalArgMethod(args);
     TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
 }
 
+static void methodWithNullableCallbackArgMethod(const v8::FunctionCallbackInfo<v8::Value>& args)
+{
+    if (args.Length() < 1) {
+        throwNotEnoughArgumentsError(args.GetIsolate());
+        return;
+    }
+    TestObj* imp = V8TestObject::toNative(args.Holder());
+    if (args.Length() <= 0 || !(args[0]->IsFunction() || args[0]->IsNull())) {
+        throwTypeError(args.GetIsolate());
+        return;
+    }
+    RefPtr<TestCallback> callback = args[0]->IsNull() ? 0 : V8TestCallback::create(args[0], getScriptExecutionContext());
+    imp->methodWithNullableCallbackArg(callback);
+
+    return;
+}
+
+static void methodWithNullableCallbackArgMethodCallback(const v8::FunctionCallbackInfo<v8::Value>& args)
+{
+    TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMMethod");
+    TestObjV8Internal::methodWithNullableCallbackArgMethod(args);
+    TRACE_EVENT_SET_SAMPLING_STATE("V8", "Execution");
+}
+
 static void staticMethodWithCallbackAndOptionalArgMethod(const v8::FunctionCallbackInfo<v8::Value>& args)
 {
     RefPtr<TestCallback> callback;
     if (args.Length() > 0 && !args[0]->IsNull() && !args[0]->IsUndefined()) {
         if (!args[0]->IsFunction()) {
             throwTypeError(args.GetIsolate());
             return;
         }
         callback = V8TestCallback::create(args[0], getScriptExecutionContext());
     }
@@ skipping 1707 matching lines @@
     {"withActiveWindowAndFirstWindow", TestObjV8Internal::withActiveWindowAndFirstWindowMethodCallback, 0, 0},
     {"methodWithOptionalArg", TestObjV8Internal::methodWithOptionalArgMethodCallback, 0, 0},
     {"methodWithNonOptionalArgAndOptionalArg", TestObjV8Internal::methodWithNonOptionalArgAndOptionalArgMethodCallback, 0, 1},
     {"methodWithNonOptionalArgAndTwoOptionalArgs", TestObjV8Internal::methodWithNonOptionalArgAndTwoOptionalArgsMethodCallback, 0, 1},
     {"methodWithOptionalString", TestObjV8Internal::methodWithOptionalStringMethodCallback, 0, 0},
     {"methodWithOptionalStringIsUndefined", TestObjV8Internal::methodWithOptionalStringIsUndefinedMethodCallback, 0, 0},
     {"methodWithOptionalStringIsNullString", TestObjV8Internal::methodWithOptionalStringIsNullStringMethodCallback, 0, 0},
     {"methodWithCallbackArg", TestObjV8Internal::methodWithCallbackArgMethodCallback, 0, 1},
     {"methodWithNonCallbackArgAndCallbackArg", TestObjV8Internal::methodWithNonCallbackArgAndCallbackArgMethodCallback, 0, 2},
     {"methodWithCallbackAndOptionalArg", TestObjV8Internal::methodWithCallbackAndOptionalArgMethodCallback, 0, 0},
+    {"methodWithNullableCallbackArg", TestObjV8Internal::methodWithNullableCallbackArgMethodCallback, 0, 1},
     {"methodWithEnforceRangeInt8", TestObjV8Internal::methodWithEnforceRangeInt8MethodCallback, 0, 1},
     {"methodWithEnforceRangeUInt8", TestObjV8Internal::methodWithEnforceRangeUInt8MethodCallback, 0, 1},
     {"methodWithEnforceRangeInt32", TestObjV8Internal::methodWithEnforceRangeInt32MethodCallback, 0, 1},
     {"methodWithEnforceRangeUInt32", TestObjV8Internal::methodWithEnforceRangeUInt32MethodCallback, 0, 1},
     {"methodWithEnforceRangeInt64", TestObjV8Internal::methodWithEnforceRangeInt64MethodCallback, 0, 1},
     {"methodWithEnforceRangeUInt64", TestObjV8Internal::methodWithEnforceRangeUInt64MethodCallback, 0, 1},
 #if ENABLE(Condition1)
     {"conditionalMethod1", TestObjV8Internal::conditionalMethod1MethodCallback, 0, 0},
 #endif // ENABLE(Condition1)
 #if ENABLE(Condition1) && ENABLE(Condition2)
@@ skipping 262 matching lines @@
     installPerContextProperties(wrapper, impl.get(), isolate);
     V8DOMWrapper::associateObjectWithWrapper<V8TestObject>(impl, &info, wrapper, isolate, WrapperConfiguration::Independent);
     return wrapper;
 }
 void V8TestObject::derefObject(void* object)
 {
     fromInternalPointer(object)->deref();
 }
 
 } // namespace WebCore