DirectRenderer allows empty swap rects for CommitOverlayPlanes

cc/output/renderer.cc

Index: cc/output/renderer.cc
diff --git a/cc/output/renderer.cc b/cc/output/renderer.cc
index 7fe0ffb9aaae268a3a026014a084bd51e5132071..a0812c687a0988cc4db3204728f7572974ed1e6f 100644
--- a/cc/output/renderer.cc
+++ b/cc/output/renderer.cc
@@ -26,12 +26,12 @@ RendererCapabilitiesImpl::RendererCapabilitiesImpl()
       max_texture_size(0),
       using_shared_memory_resources(false),
       using_partial_swap(false),
+      allow_empty_swap(false),
       using_egl_image(false),
       using_image(false),
       using_discard_framebuffer(false),
       allow_rasterize_on_demand(false),
-      max_msaa_samples(0) {
-}
+      max_msaa_samples(0) {}
 
 RendererCapabilitiesImpl::~RendererCapabilitiesImpl() {}