Sibling invalidation sets

third_party/WebKit/Source/core/css/invalidation/PendingInvalidations.h

Index: third_party/WebKit/Source/core/css/invalidation/PendingInvalidations.h
diff --git a/third_party/WebKit/Source/core/css/invalidation/PendingInvalidations.h b/third_party/WebKit/Source/core/css/invalidation/PendingInvalidations.h
new file mode 100644
index 0000000000000000000000000000000000000000..1de24f7d873f82e58933030e7825c6407994188c
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+++ b/third_party/WebKit/Source/core/css/invalidation/PendingInvalidations.h
@@ -0,0 +1,29 @@
+// Copyright 2015 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef PendingInvalidations_h
+#define PendingInvalidations_h
+
+#include "core/css/invalidation/InvalidationSet.h"
+
+namespace blink {
+
+class CORE_EXPORT PendingInvalidations final {
+    WTF_MAKE_NONCOPYABLE(PendingInvalidations);
+public:
+    PendingInvalidations() {}
+
+    InvalidationSetVector& descendants() { return m_descendants; }
+    const InvalidationSetVector& descendants() const { return m_descendants; }
+    InvalidationSetVector& siblings() { return m_siblings; }
+    const InvalidationSetVector& siblings() const { return m_siblings; }
+
+private:
+    InvalidationSetVector m_descendants;
+    InvalidationSetVector m_siblings;
+};
+
+} // namespace blink
+
+#endif // PendingInvalidations_h