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|  | 1 // Copyright (c) 2012 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 CONTENT_COMMON_CONTENT_CONSTANTS_INTERNAL_H_ | 
|  | 6 #define CONTENT_COMMON_CONTENT_CONSTANTS_INTERNAL_H_ | 
|  | 7 | 
|  | 8 namespace content { | 
|  | 9 | 
|  | 10 // Keys used for serializing the frame tree of a renderer process, used for | 
|  | 11 // ViewMsg_UpdateFrameTree and ViewHostMsg_FrameTreeUpdated. | 
|  | 12 extern const char kFrameTreeNodeNameKey[]; | 
|  | 13 extern const char kFrameTreeNodeIdKey[]; | 
|  | 14 extern const char kFrameTreeNodeSubtreeKey[]; | 
|  | 15 | 
|  | 16 } // namespace content | 
|  | 17 | 
|  | 18 #endif  // CONTENT_COMMON_CONTENT_CONSTANTS_INTERNAL_H_ | 
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