Remove the default format from ResourcePool.

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 59b833fc2b8f394a27889ca7a870b3650c656401..c17cfb42cd2182da2554bbfccf2eec60e8cd9e53 100644
--- a/cc/resources/tile_task_worker_pool_unittest.cc
+++ b/cc/resources/tile_task_worker_pool_unittest.cc
@@ -152,7 +152,7 @@ class TileTaskWorkerPoolTest
       case TILE_TASK_WORKER_POOL_TYPE_ONE_COPY:
         Create3dOutputSurfaceAndResourceProvider();
         staging_resource_pool_ = ResourcePool::Create(resource_provider_.get(),
-                                                      GL_TEXTURE_2D, RGBA_8888);
+                                                      GL_TEXTURE_2D);
         tile_task_worker_pool_ = OneCopyTileTaskWorkerPool::Create(
             base::MessageLoopProxy::current().get(),
             TileTaskWorkerPool::GetTaskGraphRunner(), context_provider_.get(),
@@ -162,7 +162,8 @@ class TileTaskWorkerPoolTest
         Create3dOutputSurfaceAndResourceProvider();
         tile_task_worker_pool_ = GpuTileTaskWorkerPool::Create(
             base::MessageLoopProxy::current().get(),
-            TileTaskWorkerPool::GetTaskGraphRunner());
+            TileTaskWorkerPool::GetTaskGraphRunner(),
+            resource_provider_.get()->best_texture_format());
         break;
       case TILE_TASK_WORKER_POOL_TYPE_BITMAP:
         CreateSoftwareOutputSurfaceAndResourceProvider();