cc: Move tiling management out of draw properties calculation.

cc/layers/layer_impl.h

Index: cc/layers/layer_impl.h
diff --git a/cc/layers/layer_impl.h b/cc/layers/layer_impl.h
index 16747aa9a5bc258a58f854d10b38aad737c22e2d..33d05aebb6c4ff3c6e14adfdbe14150e914d9e96 100644
--- a/cc/layers/layer_impl.h
+++ b/cc/layers/layer_impl.h
@@ -159,6 +159,10 @@ class CC_EXPORT LayerImpl : public LayerAnimationValueObserver,
   LayerTreeImpl* layer_tree_impl() const { return layer_tree_impl_; }
 
   void PopulateSharedQuadState(SharedQuadState* state) const;
+  void UpdateSharedQuadState(SharedQuadState* state,

[danakj, 2014/05/16 14:49:05]

let's name this PopulateSharedQuadStateWithOverrides

+                             gfx::Transform target_space_transform,
+                             gfx::Size content_bounds,
+                             gfx::Rect visible_content_rect) const;
   // WillDraw must be called before AppendQuads. If WillDraw returns false,
   // AppendQuads and DidDraw will not be called. If WillDraw returns true,
   // DidDraw is guaranteed to be called before another WillDraw or before