Refactor banned directory checking so Blink can opt into certain checks.

tools/clang/plugins/FindBadConstructsConsumer.h

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 // This file defines a bunch of recurring problems in the Chromium C++ code.
 //
 // Checks that are implemented:
 // - Constructors/Destructors should not be inlined if they are of a complex
 //   class type.
 // - Missing "virtual" keywords on methods that should be virtual.
@@ skipping 38 matching lines @@
   void Traverse(clang::ASTContext& context);
 
   // RecursiveASTVisitor:
   bool TraverseDecl(clang::Decl* decl);
   bool VisitTagDecl(clang::TagDecl* tag_decl);
   bool VisitVarDecl(clang::VarDecl* var_decl);
   bool VisitTemplateSpecializationType(clang::TemplateSpecializationType* spec);
   bool VisitCallExpr(clang::CallExpr* call_expr);
 
   // ChromeClassTester overrides:
-  void CheckChromeClass(clang::SourceLocation record_location,
+  void CheckChromeClass(LocationType location_type,
+                        clang::SourceLocation record_location,
                         clang::CXXRecordDecl* record) override;
-  void CheckChromeEnum(clang::SourceLocation enum_location,
+  void CheckChromeEnum(LocationType location_type,
+                       clang::SourceLocation enum_location,
                        clang::EnumDecl* enum_decl) override;
 
  private:
   // The type of problematic ref-counting pattern that was encountered.
   enum RefcountIssue { None, ImplicitDestructor, PublicDestructor };
 
   void CheckCtorDtorWeight(clang::SourceLocation record_location,
                            clang::CXXRecordDecl* record);
 
   bool InTestingNamespace(const clang::Decl* record);
@@ skipping 51 matching lines @@
   unsigned diag_note_implicit_dtor_;
   unsigned diag_note_public_dtor_;
   unsigned diag_note_protected_non_virtual_dtor_;
 
   std::unique_ptr<CheckIPCVisitor> ipc_visitor_;
 };
 
 }  // namespace chrome_checker
 
 #endif  // TOOLS_CLANG_PLUGINS_FINDBADCONSTRUCTSCONSUMER_H_