cc: Move RequiresHighResToDraw from tree to lthi.

cc/trees/layer_tree_impl.h

Index: cc/trees/layer_tree_impl.h
diff --git a/cc/trees/layer_tree_impl.h b/cc/trees/layer_tree_impl.h
index 95a9bac0b9f472372f736c5b9ad13032ab374168..e4888008a4eec104a6f6ee942176c4265929183d 100644
--- a/cc/trees/layer_tree_impl.h
+++ b/cc/trees/layer_tree_impl.h
@@ -103,6 +103,7 @@ class CC_EXPORT LayerTreeImpl {
   bool use_gpu_rasterization() const;
   bool create_low_res_tiling() const;
   BlockingTaskRunner* BlockingMainThreadTaskRunner() const;
+  bool RequiresHighResToDraw() const;
 
   // Tree specific methods exposed to layer-impl tree.
   // ---------------------------------------------------------------------------
@@ -232,10 +233,6 @@ class CC_EXPORT LayerTreeImpl {
   void SetContentsTexturesPurged();
   void ResetContentsTexturesPurged();
 
-  void SetRequiresHighResToDraw();
-  void ResetRequiresHighResToDraw();
-  bool RequiresHighResToDraw() const;
-
   // Set on the active tree when the viewport size recently changed
   // and the active tree's size is now out of date.
   bool ViewportSizeInvalid() const;
@@ -371,7 +368,6 @@ class CC_EXPORT LayerTreeImpl {
   LayerImplList render_surface_layer_list_;
 
   bool contents_textures_purged_;
-  bool requires_high_res_to_draw_;
   bool viewport_size_invalid_;
   bool needs_update_draw_properties_;