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

tools/clang/blink_gc_plugin/tests/non_virtual_trace.h

Index: tools/clang/blink_gc_plugin/tests/non_virtual_trace.h
diff --git a/tools/clang/blink_gc_plugin/tests/non_virtual_trace.h b/tools/clang/blink_gc_plugin/tests/non_virtual_trace.h
deleted file mode 100644
index 4179d49b6f42edfc56ec947c27155b92324961e5..0000000000000000000000000000000000000000
--- a/tools/clang/blink_gc_plugin/tests/non_virtual_trace.h
+++ /dev/null
@@ -1,32 +0,0 @@
-// Copyright 2014 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 NON_VIRTUAL_TRACE_H_
-#define NON_VIRTUAL_TRACE_H_
-
-#include "heap/stubs.h"
-
-namespace blink {
-
-class A : public GarbageCollected<A> {
-public:
-    void trace(Visitor*);
-};
-
-class B : public A {
-};
-
-class C : public B {
-public:
-    void trace(Visitor*); // Cannot override a non-virtual trace.
-};
-
-class D : public B {
-public:
-    virtual void trace(Visitor*); // Cannot override a non-virtual trace.
-};
-
-}
-
-#endif