Added Dartium changes onto 45.0.2454.104

Source/bindings/core/dart/DartIsolateDestructionObserver.cpp

 /*
- * Copyright (C) 2014 Google Inc. All rights reserved.
+ * Copyright (C) 2006-2012 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 "core/svg/SVGAnimatedInteger.h"
+#include "bindings/core/dart/DartIsolateDestructionObserver.h"
 
-#include "core/svg/SVGAnimatedIntegerOptionalInteger.h"
-#include "core/svg/SVGElement.h"
+#include "bindings/core/dart/DartDOMData.h"
+#include "bindings/core/dart/DartUtilities.h"
 
 namespace blink {
 
-void SVGAnimatedInteger::synchronizeAttribute()
+DartIsolateDestructionObserver::DartIsolateDestructionObserver()
 {
-    if (m_parentIntegerOptionalInteger) {
-        m_parentIntegerOptionalInteger->synchronizeAttribute();
-        return;
-    }
-
-    SVGAnimatedProperty<SVGInteger>::synchronizeAttribute();
+    m_isolate = Dart_CurrentIsolate();
+    DartDOMData::current()->isolateDestructionObservers()->add(this);
 }
 
-DEFINE_TRACE(SVGAnimatedInteger)
+DartIsolateDestructionObserver::~DartIsolateDestructionObserver()
 {
-    visitor->trace(m_parentIntegerOptionalInteger);
-    SVGAnimatedProperty<SVGInteger>::trace(visitor);
+    if (!m_isolate)
+        return;
+
+    DartIsolateScope scope(m_isolate);
+    DartDOMData::current()->isolateDestructionObservers()->remove(this);
+}
+
+void DartIsolateDestructionObserver::isolateDestroyed()
+{
+    m_isolate = 0;
 }
 
 }