| Index: cc/layers/picture_layer_impl.cc
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| diff --git a/cc/layers/picture_layer_impl.cc b/cc/layers/picture_layer_impl.cc
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| index c16b1156b386b7a1040e4c3d58622fe356d8c3ee..0826186f4df64540bcb5ae86521a2d7f17c3b5bc 100644
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| --- a/cc/layers/picture_layer_impl.cc
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| +++ b/cc/layers/picture_layer_impl.cc
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| @@ -514,7 +514,7 @@ const PictureLayerTiling* PictureLayerImpl::GetTwinTiling(
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|  }
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|  
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|  gfx::Size PictureLayerImpl::CalculateTileSize(
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| -    gfx::Size content_bounds) const {
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| +    const gfx::Size& content_bounds) const {
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|    if (is_mask_) {
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|      int max_size = layer_tree_impl()->MaxTextureSize();
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|      return gfx::Size(
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| 
 |