Revert "Pull chromium at 2c3ffb2355a27c32f45e508ef861416b820c823b"

tools/clang/blink_gc_plugin/tests/traceimpl_error.h

-// 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 TRACEIMPL_ERROR_H_
-#define TRACEIMPL_ERROR_H_
-
-#include "heap/stubs.h"
-
-namespace blink {
-
-class X : public GarbageCollected<X> {
- public:
-  virtual void trace(Visitor*) {}
-};
-
-class TraceImplInlinedWithUntracedMember
-    : public GarbageCollected<TraceImplInlinedWithUntracedMember> {
- public:
-  void trace(Visitor* visitor) { traceImpl(visitor); }
-
-  template <typename VisitorDispatcher>
-  void traceImpl(VisitorDispatcher visitor) {
-    // Empty; should get complaints from the plugin for untraced x_.
-  }
-
- private:
-  Member<X> x_;
-};
-
-class TraceImplExternWithUntracedMember
-    : public GarbageCollected<TraceImplExternWithUntracedMember> {
- public:
-  void trace(Visitor* visitor);
-
-  template <typename VisitorDispatcher>
-  inline void traceImpl(VisitorDispatcher);
-
- private:
-  Member<X> x_;
-};
-
-class Base : public GarbageCollected<Base> {
- public:
-  virtual void trace(Visitor*) {}
-};
-
-class TraceImplInlineWithUntracedBase : public Base {
- public:
-  void trace(Visitor* visitor) override { traceImpl(visitor); }
-
-  template <typename VisitorDispatcher>
-  void traceImpl(VisitorDispatcher visitor) {
-    // Empty; should get complaints from the plugin for untraced Base.
-  }
-};
-
-class TraceImplExternWithUntracedBase : public Base {
- public:
-  void trace(Visitor*) override;
-
-  template <typename VisitorDispatcher>
-  void traceImpl(VisitorDispatcher visitor);
-};
-
-}
-
-#endif  // TRACEIMPL_ERROR_H_