cc: Main thread skip single layers instead of subtrees

cc/trees/property_tree_unittest.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.h"
 
 #include "cc/input/main_thread_scrolling_reason.h"
 #include "cc/proto/property_tree.pb.h"
 #include "cc/test/geometry_test_utils.h"
 #include "cc/trees/draw_property_utils.h"
@@ skipping 12 matching lines @@
   original.from_target.Translate3d(4.3f, 2.f, 3.f);
   original.to_screen.Translate3d(7.2f, 2.f, 4.5f);
   original.from_screen.Translate3d(2.f, 2.f, 7.f);
   original.target_id = 3;
   original.content_target_id = 4;
   original.source_node_id = 5;
   original.needs_local_transform_update = false;
   original.is_invertible = false;
   original.ancestors_are_invertible = false;
   original.is_animated = false;
-  original.to_screen_is_animated = false;
+  original.to_screen_is_potentially_animated = false;
   original.has_only_translation_animations = false;
   original.to_screen_has_scale_animation = false;
   original.flattens_inherited_transform = false;
   original.node_and_ancestors_are_flat = false;
   original.node_and_ancestors_have_only_integer_translation = false;
   original.scrolls = false;
   original.needs_sublayer_scale = false;
   original.affected_by_inner_viewport_bounds_delta_x = false;
   original.affected_by_inner_viewport_bounds_delta_y = false;
   original.affected_by_outer_viewport_bounds_delta_x = false;
@@ skipping 1023 matching lines @@
     tree = TransformTreeForTest(tree);
     draw_property_utils::ComputeTransforms(&tree);
 
     gfx::Transform from_target;
     EXPECT_FALSE(child_node->data.to_target.GetInverse(&from_target));
     // The following checks are to ensure that snapping is skipped because of
     // singular transform (and not because of other reasons which also cause
     // snapping to be skipped).
     EXPECT_TRUE(child_node->data.scrolls);
     EXPECT_TRUE(child_node->data.to_target.IsScaleOrTranslation());
-    EXPECT_FALSE(child_node->data.to_screen_is_animated);
+    EXPECT_FALSE(child_node->data.to_screen_is_potentially_animated);
     EXPECT_FALSE(child_node->data.ancestors_are_invertible);
 
     gfx::Transform rounded = child_node->data.to_target;
     rounded.RoundTranslationComponents();
     EXPECT_NE(child_node->data.to_target, rounded);
   }
 };
 
 DIRECT_AND_SERIALIZED_PROPERTY_TREE_TEST_F(
     PropertyTreeTestSingularTransformSnapTest);
 
 #undef DIRECT_AND_SERIALIZED_PROPERTY_TREE_TEST_F
 #undef SERIALIZED_PROPERTY_TREE_TEST_F
 #undef DIRECT_PROPERTY_TREE_TEST_F
 
 }  // namespace
 }  // namespace cc