1 // Copyright 2013 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
5 #ifndef CC_LAYERS_LAYER_CLIENT_H_
6 #define CC_LAYERS_LAYER_CLIENT_H_
10 #include "base/memory/ref_counted.h"
11 #include "cc/base/cc_export.h"
14 namespace trace_event
{
15 class ConvertableToTraceFormat
;
18 // TODO(ssid): remove these aliases after the tracing clients are moved to the
19 // new trace_event namespace. See crbug.com/451032. ETA: March 2015
21 using ::base::trace_event::ConvertableToTraceFormat
;
27 class CC_EXPORT LayerClient
{
29 // Returns a pointer to a debug info object, if one has been computed.
30 // If not, returns nullptr.
31 // If the returned pointer is non-nullptr, the caller takes
32 // ownership of the pointer.
33 virtual scoped_refptr
<base::debug::ConvertableToTraceFormat
>
37 virtual ~LayerClient() {}
42 #endif // CC_LAYERS_LAYER_CLIENT_H_