Avoid Copying damage rect when using Overlays

cc/output/overlay_processor.cc

Index: cc/output/overlay_processor.cc
diff --git a/cc/output/overlay_processor.cc b/cc/output/overlay_processor.cc
index 69368a1bd5d2f6ec8d9f9698e7d4f0df79701cda..a97623a4c2fa4917e36ea62440a6a6dd0dda4f4a 100644
--- a/cc/output/overlay_processor.cc
+++ b/cc/output/overlay_processor.cc
@@ -27,10 +27,13 @@ OverlayProcessor::~OverlayProcessor() {}
 
 void OverlayProcessor::ProcessForOverlays(ResourceProvider* resource_provider,
                                           RenderPassList* render_passes,
-                                          OverlayCandidateList* candidates) {
+                                          OverlayCandidateList* candidates,
+                                          gfx::Rect* damage_rect) {
   for (auto strategy : strategies_) {
-    if (strategy->Attempt(resource_provider, render_passes, candidates))
+    if (strategy->Attempt(resource_provider, render_passes, candidates,
+                          damage_rect)) {
       return;
+    }
   }
 }