XMLHttpRequest#responseText should use a rope

Source/bindings/v8/ScriptString.cpp

 /*
  * Copyright (C) 2013 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 11 matching lines @@
  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #include "config.h"
-
-#include "modules/quota/StorageErrorCallback.h"
-
-#include "DOMException.h"
-#include "core/dom/DOMCoreException.h"
+#include "bindings/v8/ScriptString.h"
 
 namespace WebCore {
 
-StorageErrorCallback::CallbackTask::CallbackTask(PassRefPtr<StorageErrorCallback> callback, ExceptionCode ec)
-    : m_callback(callback)
-    , m_ec(ec)
+ScriptString ScriptString::concatenateWith(const String& string)
 {
+    v8::HandleScope handleScope;
+    v8::Handle<v8::String> b = v8String(string, v8::Isolate::GetCurrent());
+    if (hasNoValue())
+        return ScriptString(b);
+    v8::Handle<v8::String> a = v8::Handle<v8::String>::Cast(v8Value());
+    return ScriptString(v8::String::Concat(a, b));
 }
 
-void StorageErrorCallback::CallbackTask::performTask(ScriptExecutionContext*)
+String ScriptString::flattenToString() const
 {
-    if (!m_callback)
-        return;
-    ExceptionCodeDescription description(m_ec);
-    m_callback->handleEvent(DOMCoreException::create(description).get());
+    if (hasNoValue())
+        return String();
+    v8::HandleScope handleScope;
+    v8::Handle<v8::String> value = v8::Handle<v8::String>::Cast(v8Value());
+    return v8StringToWebCoreString<String>(value, Externalize);
 }
 
 } // namespace WebCore