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diff --git a/chromium/third_party/glslang/src/hlsl/hlslGrammar.h b/chromium/third_party/glslang/src/hlsl/hlslGrammar.h
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+++ b/chromium/third_party/glslang/src/hlsl/hlslGrammar.h
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+//
+//Copyright (C) 2016 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 HOLDERS 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.
+//
+
+#ifndef HLSLGRAMMAR_H_
+#define HLSLGRAMMAR_H_
+
+#include "hlslParseHelper.h"
+#include "hlslOpMap.h"
+#include "hlslTokenStream.h"
+
+namespace glslang {
+
+    // Should just be the grammar aspect of HLSL.
+    // Described in more detail in hlslGrammar.cpp.
+
+    class HlslGrammar : public HlslTokenStream {
+    public:
+        HlslGrammar(HlslScanContext& scanner, HlslParseContext& parseContext)
+            : HlslTokenStream(scanner), parseContext(parseContext), intermediate(parseContext.intermediate) { }
+        virtual ~HlslGrammar() { }
+
+        bool parse();
+
+    protected:
+        void expected(const char*);
+        bool acceptIdentifier(HlslToken&);
+        bool acceptCompilationUnit();
+        bool acceptDeclaration(TIntermNode*& node);
+        bool acceptFullySpecifiedType(TType&);
+        void acceptQualifier(TQualifier&);
+        bool acceptType(TType&);
+        bool acceptStruct(TType&);
+        bool acceptStructDeclarationList(TTypeList*&);
+        bool acceptFunctionParameters(TFunction&);
+        bool acceptParameterDeclaration(TFunction&);
+        bool acceptFunctionDefinition(TFunction&, TIntermNode*&);
+        bool acceptParenExpression(TIntermTyped*&);
+        bool acceptExpression(TIntermTyped*&);
+        bool acceptAssignmentExpression(TIntermTyped*&);
+        bool acceptBinaryExpression(TIntermTyped*&, PrecedenceLevel);
+        bool acceptUnaryExpression(TIntermTyped*&);
+        bool acceptPostfixExpression(TIntermTyped*&);
+        bool acceptConstructor(TIntermTyped*&);
+        bool acceptFunctionCall(HlslToken, TIntermTyped*&);
+        bool acceptArguments(TFunction*, TIntermTyped*&);
+        bool acceptLiteral(TIntermTyped*&);
+        bool acceptCompoundStatement(TIntermNode*&);
+        bool acceptStatement(TIntermNode*&);
+        bool acceptScopedStatement(TIntermNode*&);
+        bool acceptScopedCompoundStatement(TIntermNode*&);
+        bool acceptNestedStatement(TIntermNode*&);
+        void acceptAttributes();
+        bool acceptSelectionStatement(TIntermNode*&);
+        bool acceptSwitchStatement(TIntermNode*&);
+        bool acceptIterationStatement(TIntermNode*&);
+        bool acceptJumpStatement(TIntermNode*&);
+        bool acceptCaseLabel(TIntermNode*&);
+        void acceptPostDecls(TType&);
+
+        HlslParseContext& parseContext;  // state of parsing and helper functions for building the intermediate
+        TIntermediate& intermediate;     // the final product, the intermediate representation, includes the AST
+    };
+
+} // end namespace glslang
+
+#endif // HLSLGRAMMAR_H_