cc: Make property trees support resourceless draw mode

cc/trees/draw_property_utils.h

Index: cc/trees/draw_property_utils.h
diff --git a/cc/trees/draw_property_utils.h b/cc/trees/draw_property_utils.h
index 858f0fce7688fce21d741e3023c8d17393376371..13dc9ae1af97f2bf550d2fa41901679066f18ee4 100644
--- a/cc/trees/draw_property_utils.h
+++ b/cc/trees/draw_property_utils.h
@@ -27,10 +27,9 @@ class PropertyTrees;
 
 // Computes combined clips for every node in |clip_tree|. This function requires
 // that |transform_tree| has been updated via |ComputeTransforms|.
-// TODO(vollick): ComputeClips and ComputeTransforms will eventually need to be
-// done on both threads.
-void CC_EXPORT
-ComputeClips(ClipTree* clip_tree, const TransformTree& transform_tree);
+void CC_EXPORT ComputeClips(ClipTree* clip_tree,
+                            const TransformTree& transform_tree,
+                            bool non_root_surfaces_enabled);
 
 // Computes combined (screen space) transforms for every node in the transform
 // tree. This must be done prior to calling |ComputeClips|.
@@ -51,6 +50,7 @@ void CC_EXPORT BuildPropertyTreesAndComputeVisibleRects(
     float device_scale_factor,
     const gfx::Rect& viewport,
     const gfx::Transform& device_transform,
+    bool can_render_to_separate_surface,
     PropertyTrees* property_trees,
     LayerList* update_layer_list);
 
@@ -63,17 +63,20 @@ void CC_EXPORT BuildPropertyTreesAndComputeVisibleRects(
     float device_scale_factor,
     const gfx::Rect& viewport,
     const gfx::Transform& device_transform,
+    bool can_render_to_separate_surface,
     PropertyTrees* property_trees,
     LayerImplList* update_layer_list);
 
 void CC_EXPORT
 ComputeVisibleRectsUsingPropertyTrees(Layer* root_layer,
                                       PropertyTrees* property_trees,
+                                      bool can_render_to_separate_surface,
                                       LayerList* update_layer_list);
 
 void CC_EXPORT
 ComputeVisibleRectsUsingPropertyTrees(LayerImpl* root_layer,
                                       PropertyTrees* property_trees,
+                                      bool can_render_to_separate_surface,
                                       LayerImplList* update_layer_list);
 
 void CC_EXPORT ComputeLayerDrawPropertiesUsingPropertyTrees(