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diff --git a/gfx/angle/src/compiler/translator/PruneEmptyDeclarations.h b/gfx/angle/src/compiler/translator/PruneEmptyDeclarations.h
new file mode 100755
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+++ b/gfx/angle/src/compiler/translator/PruneEmptyDeclarations.h
@@ -0,0 +1,18 @@
+//
+// Copyright (c) 2002-2015 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+// The PruneEmptyDeclarations function prunes unnecessary empty declarations and declarators from the AST.
+
+#ifndef COMPILER_TRANSLATOR_PRUNEEMPTYDECLARATIONS_H_
+#define COMPILER_TRANSLATOR_PRUNEEMPTYDECLARATIONS_H_
+
+namespace sh
+{
+class TIntermNode;
+
+void PruneEmptyDeclarations(TIntermNode *root);
+}
+
+#endif  // COMPILER_TRANSLATOR_PRUNEEMPTYDECLARATIONS_H_