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

tools/clang/blink_gc_plugin/CheckTraceVisitor.h

Index: tools/clang/blink_gc_plugin/CheckTraceVisitor.h
diff --git a/tools/clang/blink_gc_plugin/CheckTraceVisitor.h b/tools/clang/blink_gc_plugin/CheckTraceVisitor.h
deleted file mode 100644
index 580a6fba99bb1a2ad931df579763d05ba0e273ab..0000000000000000000000000000000000000000
--- a/tools/clang/blink_gc_plugin/CheckTraceVisitor.h
+++ /dev/null
@@ -1,59 +0,0 @@
-// Copyright 2015 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_BLINK_GC_PLUGIN_CHECK_TRACE_VISITOR_H_
-#define TOOLS_BLINK_GC_PLUGIN_CHECK_TRACE_VISITOR_H_
-
-#include <string>
-
-#include "RecordInfo.h"
-#include "clang/AST/AST.h"
-#include "clang/AST/RecursiveASTVisitor.h"
-
-class RecordCache;
-class RecordInfo;
-
-// This visitor checks a tracing method by traversing its body.
-// - A member field is considered traced if it is referenced in the body.
-// - A base is traced if a base-qualified call to a trace method is found.
-class CheckTraceVisitor : public clang::RecursiveASTVisitor<CheckTraceVisitor> {
- public:
-  CheckTraceVisitor(clang::CXXMethodDecl* trace,
-                    RecordInfo* info,
-                    RecordCache* cache);
-
-  bool delegates_to_traceimpl() const;
-
-  bool VisitMemberExpr(clang::MemberExpr* member);
-  bool VisitCallExpr(clang::CallExpr* call);
-
- private:
-  bool IsTraceCallName(const std::string& name);
-
-  clang::CXXRecordDecl* GetDependentTemplatedDecl(
-      clang::CXXDependentScopeMemberExpr* expr);
-
-  void CheckCXXDependentScopeMemberExpr(
-      clang::CallExpr* call,
-      clang::CXXDependentScopeMemberExpr* expr);
-  bool CheckTraceBaseCall(clang::CallExpr* call);
-  bool CheckTraceFieldMemberCall(clang::CXXMemberCallExpr* call);
-  bool CheckTraceFieldCall(const std::string& name,
-                           clang::CXXRecordDecl* callee,
-                           clang::Expr* arg);
-  bool CheckRegisterWeakMembers(clang::CXXMemberCallExpr* call);
-
-  bool IsWeakCallback() const;
-
-  void MarkTraced(RecordInfo::Fields::iterator it);
-  void FoundField(clang::FieldDecl* field);
-  void MarkAllWeakMembersTraced();
-
-  clang::CXXMethodDecl* trace_;
-  RecordInfo* info_;
-  RecordCache* cache_;
-  bool delegates_to_traceimpl_;
-};
-
-#endif  // TOOLS_BLINK_GC_PLUGIN_CHECK_TRACE_VISITOR_H_