refactored SkSL VarDeclaration handling

src/sksl/SkSLParser.h

Index: src/sksl/SkSLParser.h
diff --git a/src/sksl/SkSLParser.h b/src/sksl/SkSLParser.h
index 45629a370a61c27f77e035759506bd06092a6ecb..75f304bc8c5ccf7605b9967cb64318ceb3d1cc1c 100644
--- a/src/sksl/SkSLParser.h
+++ b/src/sksl/SkSLParser.h
@@ -40,7 +40,7 @@ struct ASTStatement;
 struct ASTSuffix;
 struct ASTType;
 struct ASTWhileStatement;
-struct ASTVarDeclaration;
+struct ASTVarDeclarations;
 class SymbolTable;
 
 /**
@@ -106,15 +106,15 @@ private:
 
     std::unique_ptr<ASTDeclaration> declaration();
 
-    std::unique_ptr<ASTVarDeclaration> varDeclaration();
+    std::unique_ptr<ASTVarDeclarations> varDeclarations();
 
     std::unique_ptr<ASTType> structDeclaration();
 
-    std::unique_ptr<ASTVarDeclaration> structVarDeclaration(ASTModifiers modifiers);
+    std::unique_ptr<ASTVarDeclarations> structVarDeclaration(ASTModifiers modifiers);
 
-    std::unique_ptr<ASTVarDeclaration> varDeclarationEnd(ASTModifiers modifiers,
-                                                         std::unique_ptr<ASTType> type, 
-                                                         std::string name);
+    std::unique_ptr<ASTVarDeclarations> varDeclarationEnd(ASTModifiers modifiers,
+                                                          std::unique_ptr<ASTType> type, 
+                                                          std::string name);
 
     std::unique_ptr<ASTParameter> parameter();