[WIP] cc: Plumb SurfaceId from clients

cc/surfaces/surface_factory.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/surfaces/surface_factory.h"
 
 #include <utility>
 
 #include "base/trace_event/trace_event.h"
 #include "cc/output/compositor_frame.h"
 #include "cc/output/copy_output_request.h"
 #include "cc/surfaces/surface.h"
 #include "cc/surfaces/surface_factory_client.h"
 #include "cc/surfaces/surface_manager.h"
 #include "ui/gfx/geometry/size.h"
 
 namespace cc {
-SurfaceFactory::SurfaceFactory(SurfaceManager* manager,
+
+SurfaceFactory::SurfaceFactory(uint32_t client_id,
+                               SurfaceManager* manager,
                                SurfaceFactoryClient* client)
-    : manager_(manager),
+    : client_id_(client_id),
+      parent_client_id_(0),
+      manager_(manager),
       client_(client),
       holder_(client),
       needs_sync_points_(true) {
+  manager_->RegisterClient(client_id_, client);
 }
 
 SurfaceFactory::~SurfaceFactory() {
   if (!surface_map_.empty()) {
     LOG(ERROR) << "SurfaceFactory has " << surface_map_.size()
                << " entries in map on destruction.";
   }
   DestroyAll();
+  if (manager_) {
+    if (parent_client_id_) {
+      manager_->UnregisterSurfaceNamespaceHierarchy(parent_client_id_,
+                                                    client_id_);
+    }
+    manager_->UnregisterClient(client_id_);
+  }
+}
+
+void SurfaceFactory::SetParent(uint32_t parent_client_id) {
+  if (parent_client_id_) {
+    manager_->UnregisterSurfaceNamespaceHierarchy(parent_client_id_,
+                                                  client_id_);
+  }
+  parent_client_id_ = parent_client_id;
+  if (parent_client_id_)
+    manager_->RegisterSurfaceNamespaceHierarchy(parent_client_id_, client_id_);
 }
 
 void SurfaceFactory::DestroyAll() {
   if (manager_) {
     for (auto& pair : surface_map_)
       manager_->Destroy(std::move(pair.second));
   }
   surface_map_.clear();
 }
 
@@ skipping 63 matching lines @@
 
 void SurfaceFactory::RefResources(const TransferableResourceArray& resources) {
   holder_.RefResources(resources);
 }
 
 void SurfaceFactory::UnrefResources(const ReturnedResourceArray& resources) {
   holder_.UnrefResources(resources);
 }
 
 }  // namespace cc