Revert of cc: Delete all the RendererCapabilities.

cc/test/fake_layer_tree_host.cc

Index: cc/test/fake_layer_tree_host.cc
diff --git a/cc/test/fake_layer_tree_host.cc b/cc/test/fake_layer_tree_host.cc
index 2c09fdd414a9f432a5cdb2346e97a49386dc46a8..9f5956a07a34a7db032f3f1c76a079b884342cb0 100644
--- a/cc/test/fake_layer_tree_host.cc
+++ b/cc/test/fake_layer_tree_host.cc
@@ -39,7 +39,8 @@
                  &task_runner_provider_,
                  &manager_,
                  params->task_graph_runner),
-      needs_commit_(false) {
+      needs_commit_(false),
+      renderer_capabilities_set(false) {
   scoped_refptr<base::SingleThreadTaskRunner> impl_task_runner =
       mode == CompositorMode::THREADED ? base::ThreadTaskRunnerHandle::Get()
                                        : nullptr;
@@ -97,6 +98,12 @@
   client_->SetLayerTreeHost(NULL);
 }
 
+const RendererCapabilities& FakeLayerTreeHost::GetRendererCapabilities() const {
+  if (renderer_capabilities_set)
+    return renderer_capabilities;
+  return LayerTreeHost::GetRendererCapabilities();
+}
+
 void FakeLayerTreeHost::SetNeedsCommit() { needs_commit_ = true; }
 
 LayerImpl* FakeLayerTreeHost::CommitAndCreateLayerImplTree() {