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

cc/resources/tile_task_worker_pool_unittest.cc

Index: cc/resources/tile_task_worker_pool_unittest.cc
diff --git a/cc/resources/tile_task_worker_pool_unittest.cc b/cc/resources/tile_task_worker_pool_unittest.cc
index 68758f63f728bca259d0517a665d82181ccbb0e0..32139bd6c032eb6867347898d966e50f4a8f5cd9 100644
--- a/cc/resources/tile_task_worker_pool_unittest.cc
+++ b/cc/resources/tile_task_worker_pool_unittest.cc
@@ -275,9 +275,10 @@ class TileTaskWorkerPoolTest
     CHECK(output_surface_->BindToClient(&output_surface_client_));
     TestWebGraphicsContext3D* context3d = context_provider_->TestContext3d();
     context3d->set_support_sync_query(true);
-    resource_provider_ = ResourceProvider::Create(output_surface_.get(), NULL,
-                                                  &gpu_memory_buffer_manager_,
-                                                  NULL, 0, false, 1).Pass();
+    resource_provider_ =
+        ResourceProvider::Create(output_surface_.get(), NULL,
+                                 &gpu_memory_buffer_manager_, NULL, 0, false,
+                                 false, 1).Pass();
   }
 
   void CreateSoftwareOutputSurfaceAndResourceProvider() {
@@ -286,7 +287,7 @@ class TileTaskWorkerPoolTest
     CHECK(output_surface_->BindToClient(&output_surface_client_));
     resource_provider_ =
         ResourceProvider::Create(output_surface_.get(), &shared_bitmap_manager_,
-                                 NULL, NULL, 0, false, 1).Pass();
+                                 NULL, NULL, 0, false, false, 1).Pass();
   }
 
   void OnTaskCompleted(scoped_ptr<ScopedResource> resource,