Fixup compilation issues with type manager.

This CL fixes up some issues with the type manager.

TBR=dneto@google.com

Change-Id: I2d05935f26490fd8d20b1b6b1b61692a45e4a0f3
Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/17940
Reviewed-by: dan sinclair <dsinclair@google.com>
diff --git a/src/reader/spirv/parser_impl_test_helper.h b/src/reader/spirv/parser_impl_test_helper.h
index 8c40a2b..66a48df 100644
--- a/src/reader/spirv/parser_impl_test_helper.h
+++ b/src/reader/spirv/parser_impl_test_helper.h
@@ -37,9 +37,7 @@
   void SetUp() { ctx_.Reset(); }
 
   /// Tears down the test helper
-  void TearDown() {
-    impl_ = nullptr;
-  }
+  void TearDown() { impl_ = nullptr; }
 
   /// Retrieves the parser from the helper
   /// @param input the SPIR-V binary to parse