1 files changed, 6 insertions, 1 deletions
diff --git a/chromium/components/exo/shell_surface_base.h b/chromium/components/exo/shell_surface_base.h
index 652950e3458..cfdec704180 100644
--- a/chromium/components/exo/shell_surface_base.h
+++ b/chromium/components/exo/shell_surface_base.h
@@ -181,6 +181,9 @@ class ShellSurfaceBase : public SurfaceTreeHost,
 
   // aura::WindowObserver:
   void OnWindowDestroying(aura::Window* window) override;
+  void OnWindowPropertyChanged(aura::Window* window,
+                               const void* key,
+                               intptr_t old_value) override;
 
   // wm::ActivationChangeObserver:
   void OnWindowActivated(ActivationReason reason,
@@ -218,6 +221,8 @@ class ShellSurfaceBase : public SurfaceTreeHost,
   // |shadow_bounds_|.
   void UpdateShadow();
 
+  virtual void UpdateFrameType();
+
   // Applies |system_modal_| to |widget_|.
   void UpdateSystemModal();
 
@@ -279,7 +284,7 @@ class ShellSurfaceBase : public SurfaceTreeHost,
 
   // Commit is deferred if this returns false.
   virtual bool OnPreWidgetCommit() = 0;
-  virtual void OnPostWidgetCommit() = 0;
+  virtual void OnPostWidgetCommit();
 
   void CommitWidget();