cc: handling debug settings in new LayerTreeDebugState structure

cc/heads_up_display_unittest.cc

Index: cc/heads_up_display_unittest.cc
diff --git a/cc/heads_up_display_unittest.cc b/cc/heads_up_display_unittest.cc
index ce08e202b1ab03e2f484c7bb41f773a213c1346c..9fb133aa8e8b64c9267443d0b83e8d1e5458b35b 100644
--- a/cc/heads_up_display_unittest.cc
+++ b/cc/heads_up_display_unittest.cc
@@ -17,7 +17,7 @@ protected:
     virtual void initializeSettings(LayerTreeSettings& settings) OVERRIDE
     {
         // Enable the HUD without requiring text.
-        settings.showPropertyChangedRects = true;
+        settings.initialDebugState.showPropertyChangedRects = true;
     }
 };