Index: cc/output/output_surface.h |
diff --git a/cc/output/output_surface.h b/cc/output/output_surface.h |
index 3e8e9ee5b2ebc36e0b3ba6e65522ae572df9323e..a7355f5821c9abee0a96fe4dc696e2923c61310d 100644 |
--- a/cc/output/output_surface.h |
+++ b/cc/output/output_surface.h |
@@ -119,7 +119,9 @@ class CC_EXPORT OutputSurface : public base::trace_event::MemoryDumpProvider { |
// thread-specific data for the output surface can be uninitialized. |
virtual void DetachFromClient(); |
+ // Could be something like "start frame" so mac can ensure backbuffer? |
virtual void EnsureBackbuffer(); |
+ // Called by the Mac subclass, but otherwise unused.. |
virtual void DiscardBackbuffer(); |
virtual void Reshape(const gfx::Size& size, |