(not for commit) Simplified multi-threaded Ganesh with lock on Flush only.

cc/layers/tiled_layer_unittest.cc

Index: cc/layers/tiled_layer_unittest.cc
diff --git a/cc/layers/tiled_layer_unittest.cc b/cc/layers/tiled_layer_unittest.cc
index 03d9b19a33a9818059113c9c9c62168a0ae4f174..8c4d972633d2e2003663b2cc764b274dbfd1f35d 100644
--- a/cc/layers/tiled_layer_unittest.cc
+++ b/cc/layers/tiled_layer_unittest.cc
@@ -108,13 +108,9 @@ class TiledLayerTest : public testing::Test {
 
     DebugScopedSetImplThreadAndMainThreadBlocked
         impl_thread_and_main_thread_blocked(proxy_);
-    resource_provider_ = ResourceProvider::Create(output_surface_.get(),
-                                                  shared_bitmap_manager_.get(),
-                                                  nullptr,
-                                                  nullptr,
-                                                  0,
-                                                  false,
-                                                  1);
+    resource_provider_ = ResourceProvider::Create(
+        output_surface_.get(), shared_bitmap_manager_.get(), nullptr, nullptr,
+        0, false, false, 1);
     host_impl_ = make_scoped_ptr(
         new FakeLayerTreeHostImpl(proxy_, shared_bitmap_manager_.get()));
   }