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. 4 5 #ifndef CC_LAYERS_LAYER_CLIENT_H_ 6 #define CC_LAYERS_LAYER_CLIENT_H_ 7 8 #include <string> 9 10 #include "base/memory/ref_counted.h" 11 #include "cc/base/cc_export.h" 12 13 namespace base { 14 namespace debug { 15 class ConvertableToTraceFormat; 16 } 17 } 18 19 namespace cc { 20 21 class CC_EXPORT LayerClient { 22 public: 23 // Returns a pointer to a debug info object, if one has been computed. 24 // If not, returns NULL. If the returned pointer is non-NULL, the caller takes 25 // ownership of the pointer. 26 virtual scoped_refptr<base::debug::ConvertableToTraceFormat> 27 TakeDebugInfo() = 0; 28 29 protected: ~LayerClient()30 virtual ~LayerClient() {} 31 }; 32 33 } // namespace cc 34 35 #endif // CC_LAYERS_LAYER_CLIENT_H_ 36