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

tools/clang/blink_gc_plugin/tests/polymorphic_class_with_non_virtual_trace.h

Index: tools/clang/blink_gc_plugin/tests/polymorphic_class_with_non_virtual_trace.h
diff --git a/tools/clang/blink_gc_plugin/tests/polymorphic_class_with_non_virtual_trace.h b/tools/clang/blink_gc_plugin/tests/polymorphic_class_with_non_virtual_trace.h
deleted file mode 100644
index f5d999ebf6430a7eddc20c549c268f6c36b5143d..0000000000000000000000000000000000000000
--- a/tools/clang/blink_gc_plugin/tests/polymorphic_class_with_non_virtual_trace.h
+++ /dev/null
@@ -1,61 +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 POLYMORPHIC_CLASS_WITH_NON_VIRTUAL_TRACE_H_
-#define POLYMORPHIC_CLASS_WITH_NON_VIRTUAL_TRACE_H_
-
-#include "heap/stubs.h"
-
-namespace blink {
-
-class HeapObject : public GarbageCollected<HeapObject> {
-public:
-    void trace(Visitor*) { }
-};
-
-class NonPolymorphicBase {
-};
-
-class PolymorphicBase {
-public:
-    virtual void foo();
-};
-
-class IsLeftMostPolymorphic
-    : public GarbageCollected<IsLeftMostPolymorphic>,
-      public PolymorphicBase {
-public:
-    void trace(Visitor*);
-private:
-    Member<HeapObject> m_obj;
-};
-
-class IsNotLeftMostPolymorphic
-    : public GarbageCollected<IsNotLeftMostPolymorphic>,
-      public NonPolymorphicBase,
-      public PolymorphicBase {
-public:
-    void trace(Visitor*);
-private:
-    Member<HeapObject> m_obj;
-};
-
-template<typename T>
-class TemplatedNonPolymorphicBase
-    : public GarbageCollected<TemplatedNonPolymorphicBase<T> > {
-public:
-    void trace(Visitor* visitor) { visitor->trace(m_obj); }
-private:
-    Member<HeapObject> m_obj;
-};
-
-// Looks OK, but will result in an incorrect object pointer when marking.
-class TemplatedIsNotLeftMostPolymorphic
-    : public TemplatedNonPolymorphicBase<TemplatedIsNotLeftMostPolymorphic>,
-      public PolymorphicBase {
-};
-
-}
-
-#endif