cc: Add mask and replica layer ids to the effect tree

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 "size.proto";
 import "synced_property.proto";
@@ skipping 71 matching lines @@
   optional int64 target_id = 5;
   optional bool applies_local_clip = 6;
   optional bool layer_clipping_uses_only_local_clip = 7;
   optional bool target_is_clipped = 8;
   optional bool layers_are_clipped = 9;
   optional bool layers_are_clipped_when_surfaces_disabled = 10;
   optional bool resets_clip = 11;
 }
 
 // Proto for struct EffectNodeData.
-// NEXT ID: 17
+// NEXT ID: 20
 message EffectNodeData {
   optional float opacity = 1;
   optional float screen_space_opacity = 2;
   optional bool has_render_surface = 3;
   optional bool has_copy_request = 4;
   optional bool has_background_filters = 5;
   optional bool hidden_by_backface_visibility = 14;
   optional bool double_sided = 13;
   optional bool is_drawn = 6;
   optional bool subtree_hidden = 15;
   optional bool has_potential_opacity_animation = 7;
   optional bool is_currently_animating_opacity = 16;
   optional bool effect_changed = 11;
   optional int64 num_copy_requests_in_subtree = 8;
   optional int64 transform_id = 9;
   optional int64 clip_id = 10;
   optional int64 target_id = 12;
+  optional int64 mask_layer_id = 17;
+  optional int64 replica_layer_id = 18;
+  optional int64 replica_mask_layer_id = 19;
 }
 
 // Proto for struct ScrollNodeData
 // NEXT ID: 15
 message ScrollNodeData {
   optional bool scrollable = 1;
   optional int32 main_thread_scrolling_reasons = 2;
   optional bool contains_non_fast_scrollable_region = 3;
   optional Size scroll_clip_layer_bounds = 4;
   optional Size bounds = 5;
@@ skipping 39 matching lines @@
   // corresponds to the data members from class PropertyTree.
   optional PropertyType property_type = 1;
   repeated TreeNode nodes = 2;
   optional bool needs_update = 3;
 
   // The following fields denote the data members for each subclass of
   // PropertyTree. Only one of these fields should be set, depending on the type
   // of this property tree.
   optional TransformTreeData transform_tree_data = 1000;
   optional ScrollTreeData scroll_tree_data = 1001;
+  optional EffectTreeData effect_tree_data = 1002;
 }
 
 message ScrollOffsetMapEntry {
   required int64 layer_id = 1;
   optional SyncedProperty scroll_offset = 2;
 }
 
 // Proto for data members of class ScrollTree
 message ScrollTreeData {
   optional int64 currently_scrolling_node_id = 1;
   repeated ScrollOffsetMapEntry layer_id_to_scroll_offset_map = 2;
 }
 
 // Proto for data members of class TransformTree.
 message TransformTreeData {
   optional bool source_to_parent_updates_allowed = 1;
   optional float page_scale_factor = 2;
   optional float device_scale_factor = 3;
   optional float device_transform_scale_factor = 4;
   repeated int64 nodes_affected_by_inner_viewport_bounds_delta = 7
       [packed = true];
   repeated int64 nodes_affected_by_outer_viewport_bounds_delta = 8
       [packed = true];
   repeated TransformCachedNodeData cached_data = 9;
 }
 
+// Proto for data members of class EffectTree.
+message EffectTreeData {
+  repeated int64 mask_replica_layer_ids = 1 [packed = true];
+}
+
 // Proto for class PropertyTrees.
 // NEXT ID: 16
 message PropertyTrees {
   optional PropertyTree transform_tree = 1;
   optional PropertyTree effect_tree = 2;
   optional PropertyTree clip_tree = 3;
   optional PropertyTree scroll_tree = 7;
 
   optional bool needs_rebuild = 4;
   optional bool non_root_surfaces_enabled = 5;
   optional bool changed = 11;
   optional bool full_tree_damaged = 12;
   optional int64 sequence_number = 6;
   optional bool is_main_thread = 13;
   optional bool is_active = 14;
 
   optional Vector2dF inner_viewport_container_bounds_delta = 8;
   optional Vector2dF outer_viewport_container_bounds_delta = 9;
   optional Vector2dF inner_viewport_scroll_bounds_delta = 10;
   repeated int64 always_use_active_tree_opacity_effect_ids = 15 [packed = true];
 }