Remove tools/clang (this will break things temporarily).

tools/clang/plugins/FindBadConstructsAction.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.
-
-#ifndef TOOLS_CLANG_PLUGINS_FINDBADCONSTRUCTIONS_ACTION_H_
-#define TOOLS_CLANG_PLUGINS_FINDBADCONSTRUCTIONS_ACTION_H_
-
-#include "clang/Frontend/FrontendAction.h"
-
-#include "Options.h"
-
-namespace chrome_checker {
-
-class FindBadConstructsAction : public clang::PluginASTAction {
- public:
-  FindBadConstructsAction();
-
- protected:
-  // Overridden from PluginASTAction:
-  virtual std::unique_ptr<clang::ASTConsumer> CreateASTConsumer(
-      clang::CompilerInstance& instance,
-      llvm::StringRef ref);
-  virtual bool ParseArgs(const clang::CompilerInstance& instance,
-                         const std::vector<std::string>& args);
-
- private:
-  Options options_;
-};
-
-}  // namespace chrome_checker
-
-#endif  // TOOLS_CLANG_PLUGINS_FINDBADCONSTRUCTIONS_ACTION_H_