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

cc/surfaces/surface_manager_ref_unittest.cc

Index: cc/surfaces/surface_manager_ref_unittest.cc
diff --git a/cc/surfaces/surface_manager_ref_unittest.cc b/cc/surfaces/surface_manager_ref_unittest.cc
index 42b5ccc049b2059aea1cd79d4619d6e4e05ddb96..7a7ab5e40fa5e28526292af67eb4188344bb4f5d 100644
--- a/cc/surfaces/surface_manager_ref_unittest.cc
+++ b/cc/surfaces/surface_manager_ref_unittest.cc
@@ -21,8 +21,8 @@
 constexpr FrameSinkId kFrameSink1(1, 0);
 constexpr FrameSinkId kFrameSink2(2, 0);
 constexpr FrameSinkId kFrameSink3(3, 0);
-const LocalFrameId kLocalFrame1(1, base::UnguessableToken::Create());
-const LocalFrameId kLocalFrame2(2, base::UnguessableToken::Create());
+constexpr LocalFrameId kLocalFrame1(1, 0);
+constexpr LocalFrameId kLocalFrame2(2, 0);
 
 // Tests for reference tracking in SurfaceManager.
 class SurfaceManagerRefTest : public testing::Test {
@@ -247,8 +247,7 @@
 
 TEST_F(SurfaceManagerRefTest, TryAddReferenceToBadSurface) {
   // Not creating an accompanying Surface and SurfaceFactory.
-  SurfaceId id(FrameSinkId(100u, 200u),
-               LocalFrameId(1u, base::UnguessableToken::Create()));
+  SurfaceId id(FrameSinkId(100u, 200u), LocalFrameId(1u, 123123u));
 
   // Adding reference from root to the Surface should do nothing because
   // SurfaceManager doesn't know Surface for |id| exists.