cc: Add checker-imaging support to TileManager.

cc/trees/single_thread_proxy.cc

Index: cc/trees/single_thread_proxy.cc
diff --git a/cc/trees/single_thread_proxy.cc b/cc/trees/single_thread_proxy.cc
index 7aa7cfc0ce644be1826bfd7237837117740f73a2..83853354649b20e8bb6e61f433606cc97a696759 100644
--- a/cc/trees/single_thread_proxy.cc
+++ b/cc/trees/single_thread_proxy.cc
@@ -424,6 +424,12 @@ void SingleThreadProxy::OnDrawForCompositorFrameSink(
   NOTREACHED() << "Implemented by ThreadProxy for synchronous compositor.";
 }
 
+void SingleThreadProxy::NeedsImplSideInvalidation() {
+  // TODO(khushalsagar): Plumb this to the scheduler when
+  // https://codereview.chromium.org/2659123004/ lands. See crbug.com/686267.
+  NOTIMPLEMENTED();
+}
+
 void SingleThreadProxy::CompositeImmediately(base::TimeTicks frame_begin_time) {
   TRACE_EVENT0("cc,benchmark", "SingleThreadProxy::CompositeImmediately");
   DCHECK(task_runner_provider_->IsMainThread());