[cc] Plumb BeginFrameAcks through SurfaceManager to DisplayScheduler.

cc/surfaces/display_unittest.cc

Index: cc/surfaces/display_unittest.cc
diff --git a/cc/surfaces/display_unittest.cc b/cc/surfaces/display_unittest.cc
index 2966adddb06ef3c3393f02049baac3623d523d9c..6c87974cc59c11191a0e8742101d3c889bcc9198 100644
--- a/cc/surfaces/display_unittest.cc
+++ b/cc/surfaces/display_unittest.cc
@@ -61,9 +61,13 @@ class TestDisplayScheduler : public DisplayScheduler {
     has_new_root_surface = true;
   }
 
-  void SurfaceDamaged(const SurfaceId& surface_id) override {
-    damaged = true;
-    needs_draw_ = true;
+  void SurfaceDamaged(const SurfaceId& surface_id,
+                      const BeginFrameAck& ack,
+                      bool display_damaged) override {
+    if (display_damaged) {
+      damaged = true;
+      needs_draw_ = true;
+    }
   }
 
   void DidSwapBuffers() override { swapped = true; }