FrameGenerator should receive SurfaceInfo and use it in frame generation

services/ui/ws/display.cc

Index: services/ui/ws/display.cc
diff --git a/services/ui/ws/display.cc b/services/ui/ws/display.cc
index eee8a6c7cdfd6c19a8b3eaa1fc69633ffd4fc498..e93c88023faa98ee3d0add72f88614e52ad67e22 100644
--- a/services/ui/ws/display.cc
+++ b/services/ui/ws/display.cc
@@ -270,13 +270,6 @@ ServerWindow* Display::GetRootWindow() {
   return root_.get();
 }
 
-ServerWindow* Display::GetActiveRootWindow() {
-  WindowManagerDisplayRoot* display_root = GetActiveWindowManagerDisplayRoot();
-  if (display_root)
-    return display_root->root();
-  return nullptr;
-}
-
 void Display::OnAcceleratedWidgetAvailable() {
   display_manager()->OnDisplayAcceleratedWidgetAvailable(this);
   InitWindowManagerDisplayRoots();
@@ -313,6 +306,13 @@ void Display::OnViewportMetricsChanged(
     pair.second->root()->SetBounds(new_bounds);
 }
 
+ServerWindow* Display::GetActiveRootWindow() {
+  WindowManagerDisplayRoot* display_root = GetActiveWindowManagerDisplayRoot();
+  if (display_root)
+    return display_root->root();
+  return nullptr;
+}
+
 bool Display::CanHaveActiveChildren(ServerWindow* window) const {
   return window && activation_parents_.Contains(window);
 }