[WIP] cc: Plumb SurfaceId from clients

cc/surfaces/surface_factory.cc

Index: cc/surfaces/surface_factory.cc
diff --git a/cc/surfaces/surface_factory.cc b/cc/surfaces/surface_factory.cc
index 345171a0f31f76873a83c1c1d01071a38f23ef4e..27c6f6cd50307fee33e8bf4e8e60ce888e2b1b80 100644
--- a/cc/surfaces/surface_factory.cc
+++ b/cc/surfaces/surface_factory.cc
@@ -15,12 +15,17 @@
 #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() {
@@ -29,6 +34,23 @@ SurfaceFactory::~SurfaceFactory() {
                << " 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() {