Rename cc::ScrollNode's inner and outer viewport members

cc/trees/property_tree_builder.cc

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "cc/trees/property_tree_builder.h"
 
 #include <stddef.h>
 
 #include <map>
 #include <set>
@@ skipping 733 matching lines @@
     sticky_data->scroll_ancestor = GetScrollParentId(data_from_ancestor, layer);
     ScrollNode* scroll_ancestor =
         data_for_children->property_trees->scroll_tree.Node(
             sticky_data->scroll_ancestor);
     if (sticky_data->constraints.is_anchored_right ||
         sticky_data->constraints.is_anchored_bottom) {
       // Sticky nodes whose ancestor scroller is the inner / outer viewport
       // need to have their local transform updated when the inner / outer
       // viewport bounds change, but do not unconditionally move by that delta
       // like fixed position nodes.
-      if (scroll_ancestor->is_inner_viewport_scroll_layer) {
+      if (scroll_ancestor->scrolls_inner_viewport) {
         data_for_children->property_trees->transform_tree
             .AddNodeAffectedByInnerViewportBoundsDelta(node->id);
-      } else if (scroll_ancestor->is_outer_viewport_scroll_layer) {
+      } else if (scroll_ancestor->scrolls_outer_viewport) {
         data_for_children->property_trees->transform_tree
             .AddNodeAffectedByOuterViewportBoundsDelta(node->id);
       }
     }
     sticky_data->main_thread_offset =
         layer->position().OffsetFromOrigin() -
         sticky_data->constraints.parent_relative_sticky_box_offset
             .OffsetFromOrigin();
   }
 
@@ skipping 403 matching lines @@
       DCHECK(layer->scroll_clip_layer()->transform_tree_index() !=
              TransformTree::kInvalidNodeId);
       node.max_scroll_offset_affected_by_page_scale =
           !data_from_ancestor.property_trees->transform_tree
                .Node(layer->scroll_clip_layer()->transform_tree_index())
                ->in_subtree_of_page_scale_layer &&
           data_from_ancestor.in_subtree_of_page_scale_layer;
     }
 
     node.scroll_clip_layer_bounds = clip_bounds;
-    node.is_inner_viewport_scroll_layer =
+    node.scrolls_inner_viewport =
         layer == data_from_ancestor.inner_viewport_scroll_layer;
-    node.is_outer_viewport_scroll_layer =
+    node.scrolls_outer_viewport =
         layer == data_from_ancestor.outer_viewport_scroll_layer;
 
     node.bounds = layer->bounds();
     node.offset_to_transform_parent = layer->offset_to_transform_parent();
     node.should_flatten = layer->should_flatten_transform_from_property_tree();
     node.user_scrollable_horizontal = layer->user_scrollable_horizontal();
     node.user_scrollable_vertical = layer->user_scrollable_vertical();
     node.element_id = layer->element_id();
     node.transform_id =
         data_for_children->transform_tree_parent->transform_tree_index();
@@ skipping 354 matching lines @@
       root_layer, page_scale_layer, inner_viewport_scroll_layer,
       outer_viewport_scroll_layer, overscroll_elasticity_layer,
       elastic_overscroll, page_scale_factor, device_scale_factor, viewport,
       device_transform, property_trees, color);
   property_trees->effect_tree.CreateOrReuseRenderSurfaces(
       &render_surfaces, root_layer->layer_tree_impl());
   property_trees->ResetCachedData();
 }
 
 }  // namespace cc