Move MaxScrollOffset to property_trees

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 "transform.proto";
 import "vector2df.proto";
 
 option optimize_for = LITE_RUNTIME;
 
 package cc.proto;
 
 // The messages declared in this file correspond to the classes declared in
 // cc/trees/property_tree.h
 
@@ skipping 65 matching lines @@
   optional bool has_render_surface = 3;
   optional bool has_copy_request = 4;
   optional bool has_background_filters = 5;
   optional bool is_drawn = 6;
   optional bool has_animated_opacity = 7;
   optional int64 num_copy_requests_in_subtree = 8;
   optional int64 transform_id = 9;
   optional int64 clip_id = 10;
 }
 
+// Proto for struct ScrollNodeData
 message ScrollNodeData {
   optional bool scrollable = 1;
   optional int32 main_thread_scrolling_reasons = 2;
   optional bool contains_non_fast_scrollable_region = 3;
-  optional int64 transform_id = 4;
+  optional Size scroll_clip_layer_bounds = 4;
+  optional Size bounds = 5;
+  optional bool envelope_page_scale_layer_with_clip_layer = 6;
+  optional bool is_inner_viewport_scroll_layer = 7;
+  optional bool is_outer_viewport_scroll_layer = 8;
+  optional bool is_inner_viewport_container_layer = 9;
+  optional bool is_outer_viewport_container_layer = 10;
 }
 
 // This defines the proto used for all types of struct TreeNode.
 message TreeNode {
   // The following fields are the base TreeNode properties. This list
   // corresponds to the data members from struct TreeNode.
   optional int64 id = 1;
   optional int64 parent_id = 2;
   optional int64 owner_id = 3;
 
@@ skipping 27 matching lines @@
   // of this property tree.
   optional TransformTreeData transform_tree_data = 1000;
 }
 
 // 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;
-  optional Vector2dF inner_viewport_bounds_delta = 5;
-  optional Vector2dF outer_viewport_bounds_delta = 6;
   repeated int64 nodes_affected_by_inner_viewport_bounds_delta = 7
       [packed = true];
   repeated int64 nodes_affected_by_outer_viewport_bounds_delta = 8
       [packed = true];
 }
 
 // Proto for class PropertyTrees.
+// NEXT ID: 11
 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 int64 sequence_number = 6;
+
+  optional Vector2dF inner_viewport_container_bounds_delta = 8;
+  optional Vector2dF outer_viewport_container_bounds_delta = 9;
+  optional Vector2dF inner_viewport_scroll_bounds_delta = 10;
 }