Check for public dtors on base::RefCounted types

tools/clang/plugins/ChromeClassTester.h

Index: tools/clang/plugins/ChromeClassTester.h
diff --git a/tools/clang/plugins/ChromeClassTester.h b/tools/clang/plugins/ChromeClassTester.h
index 5004f56619fbc13543017ccd33f89d53985fab8c..818da58070d1ca5f1d6b1b0dcdb042317a3d3fd2 100644
--- a/tools/clang/plugins/ChromeClassTester.h
+++ b/tools/clang/plugins/ChromeClassTester.h
@@ -21,8 +21,6 @@ class ChromeClassTester : public clang::ASTConsumer {
   explicit ChromeClassTester(clang::CompilerInstance& instance);
   virtual ~ChromeClassTester();
 
-  void BuildBannedLists();
-
   // ASTConsumer:
   virtual void HandleTagDeclDefinition(clang::TagDecl* tag);
 
@@ -43,7 +41,13 @@ class ChromeClassTester : public clang::ASTConsumer {
   // namespace.
   bool InBannedNamespace(const clang::Decl* record);
 
+  // Utility method for subclasses to check if this class is within an
+  // implementation (.cc, .cpp, .mm) file.
+  bool InImplementationFile(const clang::SourceLocation& location);
+
  private:
+  void BuildBannedLists();
+
   // Filtered versions of tags that are only called with things defined in
   // chrome header files.
   virtual void CheckChromeClass(const clang::SourceLocation& record_location,