refactored SkSL VarDeclaration handling

src/sksl/SkSLCompiler.cpp

Index: src/sksl/SkSLCompiler.cpp
diff --git a/src/sksl/SkSLCompiler.cpp b/src/sksl/SkSLCompiler.cpp
index f55150c13461525683c6b77db9c29cdc6359a09e..d2ad81223e8c495e73546e4375b09f84db1b1eef 100644
--- a/src/sksl/SkSLCompiler.cpp
+++ b/src/sksl/SkSLCompiler.cpp
@@ -148,8 +148,8 @@ void Compiler::internalConvertProgram(std::string text,
         ASTDeclaration& decl = *parsed[i];
         switch (decl.fKind) {
             case ASTDeclaration::kVar_Kind: {
-                std::unique_ptr<VarDeclaration> s = fIRGenerator->convertVarDeclaration(
-                                                                         (ASTVarDeclaration&) decl, 
+                std::unique_ptr<VarDeclarations> s = fIRGenerator->convertVarDeclarations(
+                                                                         (ASTVarDeclarations&) decl, 
                                                                          Variable::kGlobal_Storage);
                 if (s) {
                     result->push_back(std::move(s));