Revert of Reduced skslc memory consumption

src/sksl/ir/SkSLFunctionCall.h

Index: src/sksl/ir/SkSLFunctionCall.h
diff --git a/src/sksl/ir/SkSLFunctionCall.h b/src/sksl/ir/SkSLFunctionCall.h
index 5c67a2873c3ac511a577b7fc91762b353f00518e..85dba40f2ae857ac54264e33eac4321112812b68 100644
--- a/src/sksl/ir/SkSLFunctionCall.h
+++ b/src/sksl/ir/SkSLFunctionCall.h
@@ -17,9 +17,9 @@
  * A function invocation.
  */
 struct FunctionCall : public Expression {
-    FunctionCall(Position position, const Type& type, const FunctionDeclaration& function,
+    FunctionCall(Position position, const FunctionDeclaration& function,
                  std::vector<std::unique_ptr<Expression>> arguments)
-    : INHERITED(position, kFunctionCall_Kind, type)
+    : INHERITED(position, kFunctionCall_Kind, function.fReturnType)
     , fFunction(std::move(function))
     , fArguments(std::move(arguments)) {}