cc:: Add transform nodes at boundaries of 3d rendering contexts

cc/proto/property_tree.proto

 // Copyright 2015 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.
 
 syntax = "proto2";
 
 import "rectf.proto";
 import "scroll_offset.proto";
 import "transform.proto";
 import "vector2df.proto";
@@ skipping 24 matching lines @@
   optional bool ancestors_are_invertible = 14;
   optional bool is_animated = 15;
   optional bool to_screen_is_animated = 16;
   optional bool has_only_translation_animations = 17;
   optional bool to_screen_has_scale_animation = 18;
   optional bool flattens_inherited_transform = 19;
   optional bool node_and_ancestors_are_flat = 20;
   optional bool node_and_ancestors_have_only_integer_translation = 21;
   optional bool scrolls = 22;
   optional bool needs_sublayer_scale = 23;
-  optional bool affected_by_inner_viewport_bounds_delta_x = 24;
-  optional bool affected_by_inner_viewport_bounds_delta_y = 25;
-  optional bool affected_by_outer_viewport_bounds_delta_x = 26;
-  optional bool affected_by_outer_viewport_bounds_delta_y = 27;
-  optional bool in_subtree_of_page_scale_layer = 28;
-  optional float post_local_scale_factor = 29;
-  optional float local_maximum_animation_target_scale = 30;
-  optional float local_starting_animation_scale = 31;
-  optional float combined_maximum_animation_target_scale = 32;
-  optional float combined_starting_animation_scale = 33;
+  optional bool is_3d_sorted = 24;
+  optional bool affected_by_inner_viewport_bounds_delta_x = 25;
+  optional bool affected_by_inner_viewport_bounds_delta_y = 26;
+  optional bool affected_by_outer_viewport_bounds_delta_x = 27;
+  optional bool affected_by_outer_viewport_bounds_delta_y = 28;
+  optional bool in_subtree_of_page_scale_layer = 29;
+  optional float post_local_scale_factor = 30;
+  optional float local_maximum_animation_target_scale = 31;
+  optional float local_starting_animation_scale = 32;
+  optional float combined_maximum_animation_target_scale = 33;
+  optional float combined_starting_animation_scale = 34;
 
-  optional Vector2dF sublayer_scale = 34;
-  optional ScrollOffset scroll_offset = 35;
-  optional Vector2dF scroll_snap = 36;
-  optional Vector2dF source_offset = 37;
-  optional Vector2dF source_to_parent = 38;
+  optional Vector2dF sublayer_scale = 35;
+  optional ScrollOffset scroll_offset = 36;
+  optional Vector2dF scroll_snap = 37;
+  optional Vector2dF source_offset = 38;
+  optional Vector2dF source_to_parent = 39;
 }
 
 // Proto for struct ClipNodeData.
 message ClipNodeData {
   optional RectF clip = 1;
   optional RectF combined_clip_in_target_space = 2;
   optional RectF clip_in_target_space = 3;
 
   optional int64 transform_id = 4;
   optional int64 target_id = 5;
@@ skipping 80 matching lines @@
 message PropertyTrees {
   optional PropertyTree transform_tree = 1;
   optional PropertyTree effect_tree = 2;
   optional PropertyTree clip_tree = 3;
   optional PropertyTree scroll_tree = 4;
 
   optional bool needs_rebuild = 5;
   optional bool non_root_surfaces_enabled = 6;
   optional int64 sequence_number = 7;
 }