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

cc/surfaces/surface_hittest_unittest.cc

Index: cc/surfaces/surface_hittest_unittest.cc
diff --git a/cc/surfaces/surface_hittest_unittest.cc b/cc/surfaces/surface_hittest_unittest.cc
index 2c04b2a731c695e3ea1bb05edcb5599d1115d62b..df46846d0a36225ecd7b2f93ba15a71522563064 100644
--- a/cc/surfaces/surface_hittest_unittest.cc
+++ b/cc/surfaces/surface_hittest_unittest.cc
@@ -72,9 +72,8 @@
   CompositorFrame root_frame = CreateCompositorFrame(root_rect, &root_pass);
 
   // Add a reference to a non-existant child surface on the root surface.
-  SurfaceId child_surface_id(
-      kArbitraryFrameSinkId,
-      LocalFrameId(0xdeadbeef, base::UnguessableToken::Create()));
+  SurfaceId child_surface_id(kArbitraryFrameSinkId,
+                             LocalFrameId(0xdeadbeef, 0));
   gfx::Rect child_rect(200, 200);
   CreateSurfaceDrawQuad(root_pass,
                         gfx::Transform(),