Index: ui/aura/root_window_host.h |
diff --git a/ui/aura/root_window_host.h b/ui/aura/root_window_host.h |
index d7643c5d4ba16b1f1c2bba22f67af745b4653f4a..c63e0b91d2aeed91ee110b86545376a0b4296087 100644 |
--- a/ui/aura/root_window_host.h |
+++ b/ui/aura/root_window_host.h |
@@ -99,6 +99,9 @@ class RootWindowHost { |
#if !defined(OS_MACOSX) |
virtual void PostNativeEvent(const base::NativeEvent& native_event) = 0; |
#endif |
+ |
+ // Called when the device scale factor of the root window has chagned. |
+ virtual void OnDeviceScaleFactorChanged(float device_scale_factor) = 0; |
}; |
} // namespace aura |