Revert of Replaced cc::SurfaceId::nonce_ with base::UnguessableToken

services/ui/ws/frame_generator_unittest.cc

Index: services/ui/ws/frame_generator_unittest.cc
diff --git a/services/ui/ws/frame_generator_unittest.cc b/services/ui/ws/frame_generator_unittest.cc
index 12630eb94916e5b838d37a611f76e94c7239497f..b977f0a0fc45a307ad4221b508c2d8a964dc62f4 100644
--- a/services/ui/ws/frame_generator_unittest.cc
+++ b/services/ui/ws/frame_generator_unittest.cc
@@ -24,7 +24,6 @@
 
 // Typical id for the display root ServerWindow.
 constexpr WindowId kRootDisplayId(0, 2);
-const base::UnguessableToken kArbitraryToken = base::UnguessableToken::Create();
 
 // Makes the window visible and creates the default surface for it.
 void InitWindow(ServerWindow* window) {
@@ -37,7 +36,7 @@
           cc::FrameSinkId(
               WindowIdToTransportId(window->id()),
               static_cast<uint32_t>(mojom::CompositorFrameSinkType::DEFAULT)),
-          cc::LocalFrameId(1u, kArbitraryToken)),
+          cc::LocalFrameId(1u, 1u)),
       gfx::Size(100, 100));
 }
 
@@ -126,7 +125,7 @@
           cc::FrameSinkId(
               WindowIdToTransportId(child_window.id()),
               static_cast<uint32_t>(mojom::CompositorFrameSinkType::UNDERLAY)),
-          cc::LocalFrameId(1u, kArbitraryToken)),
+          cc::LocalFrameId(1u, 1u)),
       gfx::Size(100, 100));
 
   render_pass = cc::RenderPass::Create();