| Index: base/mac/sdk_forward_declarations.h
 | 
| diff --git a/base/mac/sdk_forward_declarations.h b/base/mac/sdk_forward_declarations.h
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| index 387400d43de55c53e746bf513f0d29a334e7a348..4b74c36900368f91c59eb5ad5152f8a183731234 100644
 | 
| --- a/base/mac/sdk_forward_declarations.h
 | 
| +++ b/base/mac/sdk_forward_declarations.h
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| @@ -43,6 +43,12 @@ typedef NSUInteger NSEventSwipeTrackingOptions;
 | 
|  - (BOOL)isDirectionInvertedFromDevice;
 | 
|  
 | 
|  @end
 | 
| +
 | 
| +@interface CALayer (LionAPI)
 | 
| +- (CGFloat)contentsScale;
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| +- (void)setContentsScale:(CGFloat)contentsScale;
 | 
| +@end
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| +
 | 
|  #endif  // MAC_OS_X_VERSION_10_7
 | 
|  
 | 
|  #endif  // BASE_MAC_SDK_FORWARD_DECLARATIONS_H_
 | 
| 
 |