| Index: content/common/content_constants_internal.h | 
| diff --git a/content/common/content_constants_internal.h b/content/common/content_constants_internal.h | 
| index 7ee5b0d760e0ac36fcf0976c963cebc9134f1e64..c4b54de5b0173415e748541df6200fbe34cc4568 100644 | 
| --- a/content/common/content_constants_internal.h | 
| +++ b/content/common/content_constants_internal.h | 
| @@ -5,16 +5,18 @@ | 
| #ifndef CONTENT_COMMON_CONTENT_CONSTANTS_INTERNAL_H_ | 
| #define CONTENT_COMMON_CONTENT_CONSTANTS_INTERNAL_H_ | 
|  | 
| +#include "content/common/content_export.h" | 
| + | 
| namespace content { | 
|  | 
| // Keys used for serializing the frame tree of a renderer process, used for | 
| // ViewMsg_UpdateFrameTree and ViewHostMsg_FrameTreeUpdated. | 
| -extern const char kFrameTreeNodeNameKey[]; | 
| -extern const char kFrameTreeNodeIdKey[]; | 
| -extern const char kFrameTreeNodeSubtreeKey[]; | 
| +CONTENT_EXPORT extern const char kFrameTreeNodeNameKey[]; | 
| +CONTENT_EXPORT extern const char kFrameTreeNodeIdKey[]; | 
| +CONTENT_EXPORT extern const char kFrameTreeNodeSubtreeKey[]; | 
|  | 
| // How long to wait before we consider a renderer hung. | 
| -extern const int kHungRendererDelayMs; | 
| +CONTENT_EXPORT extern const int kHungRendererDelayMs; | 
|  | 
| } // namespace content | 
|  | 
|  |