Added Dartium changes onto 45.0.2454.104

Source/bindings/core/dart/DartPersistentValue.cpp

 /*
  * Copyright (C) 2012 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
  * copyright notice, this list of conditions and the following disclaimer
  * in the documentation and/or other materials provided with the
  * distribution.
  *     * Neither the name of Google Inc. nor the names of its
  * contributors may be used to endorse or promote products derived from
  * this software without specific prior written permission.
  *
  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  * 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 "bindings/core/dart/DartPersistentValue.h"
 
-#include "config.h"
-#include "web/PrerendererClientImpl.h"
-
-#include "platform/Prerender.h"
-#include "public/platform/WebPrerender.h"
-#include "public/web/WebPrerendererClient.h"
-#include "web/WebViewImpl.h"
+#include "bindings/core/dart/DartDOMData.h"
+#include "bindings/core/dart/DartUtilities.h"
 
 namespace blink {
 
-PrerendererClientImpl::PrerendererClientImpl(WebPrerendererClient* client)
-    : m_client(client)
+DartPersistentValue::DartPersistentValue(Dart_Handle value)
 {
+    m_value = Dart_NewPersistentHandle(value);
 }
 
-void PrerendererClientImpl::willAddPrerender(Prerender* prerender)
+DartPersistentValue::~DartPersistentValue()
 {
-    if (!m_client)
-        return;
-    WebPrerender webPrerender(prerender);
-    m_client->willAddPrerender(&webPrerender);
+    clear();
 }
 
-} // namespace blink
+void DartPersistentValue::clear()
+{
+    if (!isIsolateAlive())
+        return;
+
+    if (!m_value)
+        return;
+
+    DartIsolateScope scope(isolate());
+    Dart_DeletePersistentHandle(m_value);
+    m_value = 0;
+}
+
+}