cc: Only add surface ID to embedded_surfaces if fallback does not match

cc/layers/surface_layer_impl_unittest.cc

Index: cc/layers/surface_layer_impl_unittest.cc
diff --git a/cc/layers/surface_layer_impl_unittest.cc b/cc/layers/surface_layer_impl_unittest.cc
index dc1841bce5a2eef103180d5fc2f5e76ec92a344a..683530e525ab3b24beb5871a8f8a4e5b0befbc04 100644
--- a/cc/layers/surface_layer_impl_unittest.cc
+++ b/cc/layers/surface_layer_impl_unittest.cc
@@ -327,7 +327,11 @@ TEST(SurfaceLayerImplTest,
   std::unique_ptr<RenderPass> render_pass = RenderPass::Create();
   AppendQuadsData data;
   surface_layer_impl->AppendQuads(render_pass.get(), &data);
-  EXPECT_THAT(data.embedded_surfaces, UnorderedElementsAre(surface_id1));
+  // As the primary and fallback SurfaceInfos match, there is no reason to
+  // add the primary surface ID to |embedded_surfaces| because it is not an
+  // unresolved dependency. The fallback surface will already be added as a
+  // reference in referenced_surfaces.
+  EXPECT_THAT(data.embedded_surfaces, testing::IsEmpty());
 
   ASSERT_EQ(1u, render_pass->quad_list.size());
   const SurfaceDrawQuad* surface_draw_quad1 =