bindings: Use Maybe version of v8::String::NewFromUtf8()

Source/bindings/core/v8/custom/V8InjectedScriptHostCustom.cpp

Index: Source/bindings/core/v8/custom/V8InjectedScriptHostCustom.cpp
diff --git a/Source/bindings/core/v8/custom/V8InjectedScriptHostCustom.cpp b/Source/bindings/core/v8/custom/V8InjectedScriptHostCustom.cpp
index 8ea7fefeec70f34fab3df2327a6e7fd6bbb11f98..3926584e9322c343374adfdefd1a9b54c9869c8a 100644
--- a/Source/bindings/core/v8/custom/V8InjectedScriptHostCustom.cpp
+++ b/Source/bindings/core/v8/custom/V8InjectedScriptHostCustom.cpp
@@ -366,13 +366,13 @@ void V8InjectedScriptHost::evalMethodCustom(const v8::FunctionCallbackInfo<v8::V
 {
     v8::Isolate* isolate = info.GetIsolate();
     if (info.Length() < 1) {
-        isolate->ThrowException(v8::Exception::Error(v8::String::NewFromUtf8(isolate, "One argument expected.")));
+        isolate->ThrowException(v8::Exception::Error(v8NormalString(isolate, "One argument expected.")));
         return;
     }
 
     v8::Handle<v8::String> expression = info[0]->ToString(isolate);
     if (expression.IsEmpty()) {
-        isolate->ThrowException(v8::Exception::Error(v8::String::NewFromUtf8(isolate, "The argument must be a string.")));
+        isolate->ThrowException(v8::Exception::Error(v8NormalString(isolate, "The argument must be a string.")));
         return;
     }
 
@@ -389,8 +389,8 @@ void V8InjectedScriptHost::evalMethodCustom(const v8::FunctionCallbackInfo<v8::V
 static void setExceptionAsReturnValue(const v8::FunctionCallbackInfo<v8::Value>& info, v8::Local<v8::Object> returnValue, v8::TryCatch& tryCatch)
 {
     v8::Isolate* isolate = info.GetIsolate();
-    returnValue->Set(v8::String::NewFromUtf8(isolate, "result"), tryCatch.Exception());
-    returnValue->Set(v8::String::NewFromUtf8(isolate, "exceptionDetails"), JavaScriptCallFrame::createExceptionDetails(isolate, tryCatch.Message()));
+    returnValue->Set(v8NormalString(isolate, "result"), tryCatch.Exception());
+    returnValue->Set(v8NormalString(isolate, "exceptionDetails"), JavaScriptCallFrame::createExceptionDetails(isolate, tryCatch.Message()));
     v8SetReturnValue(info, returnValue);
 }
 
@@ -398,13 +398,13 @@ void V8InjectedScriptHost::evaluateWithExceptionDetailsMethodCustom(const v8::Fu
 {
     v8::Isolate* isolate = info.GetIsolate();
     if (info.Length() < 1) {
-        isolate->ThrowException(v8::Exception::Error(v8::String::NewFromUtf8(isolate, "One argument expected.")));
+        isolate->ThrowException(v8::Exception::Error(v8NormalString(isolate, "One argument expected.")));
         return;
     }
 
     v8::Handle<v8::String> expression = info[0]->ToString(isolate);
     if (expression.IsEmpty()) {
-        isolate->ThrowException(v8::Exception::Error(v8::String::NewFromUtf8(isolate, "The argument must be a string.")));
+        isolate->ThrowException(v8::Exception::Error(v8NormalString(isolate, "The argument must be a string.")));
         return;
     }