 Chromium Code Reviews
 Chromium Code Reviews Issue 2911463002:
  Unify the calculation of main thread offset of sticky element  (Closed)
    
  
    Issue 2911463002:
  Unify the calculation of main thread offset of sticky element  (Closed) 
  | Index: cc/trees/transform_node.h | 
| diff --git a/cc/trees/transform_node.h b/cc/trees/transform_node.h | 
| index 2abfb1cc00480b7eb14ed6dab868d15a165a4096..7d779fb8e72078a6d6c5b2fad0d39d8567230f9a 100644 | 
| --- a/cc/trees/transform_node.h | 
| +++ b/cc/trees/transform_node.h | 
| @@ -55,6 +55,10 @@ struct CC_EXPORT TransformNode { | 
| // transform node. -1 indicates there are no sticky position constraints. | 
| int sticky_position_constraint_id; | 
| + // This stores the main thread offset applied to the sticky element from main | 
| + // thread. It's used to calculate the actual sticky position offset from cc. | 
| 
flackr
2017/06/01 19:01:47
nit: s/actual sticky position offset/additional st
 
yigu
2017/06/01 19:28:40
Done.
 | 
| + gfx::Vector2dF sticky_main_thread_offset; | 
| + | 
| // This is the node with respect to which source_offset is defined. This will | 
| // not be needed once layerization moves to cc, but is needed in order to | 
| // efficiently update the transform tree for changes to position in the layer |