1 files changed, 5 insertions, 1 deletions
diff --git a/cc/thread_proxy.cc b/cc/thread_proxy.cc
index 2d24429..86806cd 100644
--- a/cc/thread_proxy.cc
+++ b/cc/thread_proxy.cc
@@ -847,9 +847,13 @@ ScheduledActionDrawAndSwapResult ThreadProxy::scheduledActionDrawAndSwapInternal
         }
         m_readbackRequestOnImplThread->completion.signal();
         m_readbackRequestOnImplThread = 0;
-    } else if (drawFrame)
+    } else if (drawFrame) {
         result.didSwap = m_layerTreeHostImpl->swapBuffers();
 
+        if (frame.containsIncompleteTile)
+          didSwapUseIncompleteTileOnImplThread();
+    }
+
     // Tell the main thread that the the newly-commited frame was drawn.
     if (m_nextFrameIsNewlyCommittedFrameOnImplThread) {
         m_nextFrameIsNewlyCommittedFrameOnImplThread = false;