Account for the fact that some type traits have static methods.

tools/clang/rewrite_to_chrome_style/tests/fields-expected.cc

Index: tools/clang/rewrite_to_chrome_style/tests/fields-expected.cc
diff --git a/tools/clang/rewrite_to_chrome_style/tests/fields-expected.cc b/tools/clang/rewrite_to_chrome_style/tests/fields-expected.cc
index a739b7dcb73c217669711b10f9620b13f4e2dd10..75796d70916237f5207e54bfb41a672516e008d3 100644
--- a/tools/clang/rewrite_to_chrome_style/tests/fields-expected.cc
+++ b/tools/clang/rewrite_to_chrome_style/tests/fields-expected.cc
@@ -93,6 +93,36 @@ class TypeTrait2<void> {
   static const bool value = false;
 };
 
+template <typename T, typename U>

[dcheng, 2016/09/01 21:04:22]

Please add some comments to this test (e.g. what should be rewritten, what
shouldn't be rewritten)

[Łukasz Anforowicz, 2016/09/01 21:39:45]

Done.

+struct IsSubclass {
+ private:
+  typedef char YesType;
+  struct NoType {
+    char padding[8];
+  };
+
+  static YesType SubclassCheck(U*);
+  static NoType SubclassCheck(...);
+  static T* t_;
+
+ public:
+  static const bool value = sizeof(SubclassCheck(t_)) == sizeof(YesType);
+};
+
+template <typename U = void>
+struct IsTraceableInCollection {
+  // Expanded from STATIC_ONLY(IsTraceableInCollection):
+ private:
+  IsTraceableInCollection() = delete;
+  IsTraceableInCollection(const IsTraceableInCollection&) = delete;
+  IsTraceableInCollection& operator=(const IsTraceableInCollection&) = delete;
+  void* operator new(unsigned long) = delete;
+  void* operator new(unsigned long, void*) = delete;
+
+ public:
+  static const bool value = true;
+};
+
 };  // namespace WTF
 
 void F() {