Plumb the handle signals state to Awakable::Awake().

mojo/edk/system/awakable_list_unittest.cc

Index: mojo/edk/system/awakable_list_unittest.cc
diff --git a/mojo/edk/system/awakable_list_unittest.cc b/mojo/edk/system/awakable_list_unittest.cc
index 5bf77b49e3a38c66330b3a5cc12fa961777ce0c3..d193e5c85b006104286275288087173a442d9a22 100644
--- a/mojo/edk/system/awakable_list_unittest.cc
+++ b/mojo/edk/system/awakable_list_unittest.cc
@@ -379,7 +379,9 @@ class KeepAwakable : public Awakable {
  public:
   KeepAwakable() : awake_count(0) {}
 
-  bool Awake(MojoResult result, uint64_t context) override {
+  bool Awake(uint64_t context,
+             AwakeReason reason,
+             const HandleSignalsState& signals_state) override {
     awake_count++;
     return true;
   }
@@ -393,7 +395,9 @@ class RemoveAwakable : public Awakable {
  public:
   RemoveAwakable() : awake_count(0) {}
 
-  bool Awake(MojoResult result, uint64_t context) override {
+  bool Awake(uint64_t /*context*/,
+             AwakeReason /*reason*/,
+             const HandleSignalsState& /*signals_state*/) override {
     awake_count++;
     return false;
   }