blink_gc_plugin: always enable warn_stack_allocated_trace_method check.

tools/clang/blink_gc_plugin/tests/stack_allocated_no_warning.h

Index: tools/clang/blink_gc_plugin/tests/stack_allocated_no_warning.h
diff --git a/tools/clang/blink_gc_plugin/tests/stack_allocated_no_warning.h b/tools/clang/blink_gc_plugin/tests/stack_allocated_no_warning.h
deleted file mode 100644
index fe2c95ab36359ca5df738754bf6c36d0ae74ccac..0000000000000000000000000000000000000000
--- a/tools/clang/blink_gc_plugin/tests/stack_allocated_no_warning.h
+++ /dev/null
@@ -1,26 +0,0 @@
-// Copyright 2017 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 STACK_ALLOCATED_H_
-#define STACK_ALLOCATED_H_
-
-#include "heap/stubs.h"
-
-namespace blink {
-
-class HeapObject;
-
-class StackObject {
-    STACK_ALLOCATED();
-
-    // Redundant trace() method, but warning/error disabled.
-    void Trace(Visitor* visitor) { visitor->Trace(m_obj); }
-
-private:
-    Member<HeapObject> m_obj; // Does not need tracing.
-};
-
-}
-
-#endif