Follow macro invocations when checking if a violation happened in a .cc file.

tools/clang/plugins/tests/inline_ctor.h

Index: tools/clang/plugins/tests/inline_ctor.h
diff --git a/tools/clang/plugins/tests/inline_ctor.h b/tools/clang/plugins/tests/inline_ctor.h
index 1ab1589c87979f473a94710afbdb31ca48e65140..811e978ed7a17f2adf16b08251752f2ca8ea3e07 100644
--- a/tools/clang/plugins/tests/inline_ctor.h
+++ b/tools/clang/plugins/tests/inline_ctor.h
@@ -18,6 +18,18 @@ class InlineCtorsArentOKInHeader {
   std::vector<std::string> two_;
 };
 
+#define INLINE_CTORS_IN_A_MACRO(CLASS_NAME) \
+  class CLASS_NAME {                        \
+   public:                                  \
+    CLASS_NAME() {}                         \
+    ~CLASS_NAME() {}                        \
+                                            \
+   private:                                 \
+    std::vector<int> one_;                  \
+    std::vector<std::string> two_;          \
+  }
+INLINE_CTORS_IN_A_MACRO(InlineCtorsBehindAMacroArentOKInHeader);
+
 class DeletedMembersInHeaderAreOKThough {
  public:
   DeletedMembersInHeaderAreOKThough() = delete;