ServiceWorker: add crash keys for debugging of IPCs and remove old keys

chrome/common/crash_keys.cc

Index: chrome/common/crash_keys.cc
diff --git a/chrome/common/crash_keys.cc b/chrome/common/crash_keys.cc
index 6e2eab0f08253500f0ee728b1dc92a7a08ee8652..e98a5e9831c11d2bddd2c79cb31ba0fd166b0780 100644
--- a/chrome/common/crash_keys.cc
+++ b/chrome/common/crash_keys.cc
@@ -246,13 +246,13 @@ size_t RegisterChromeCrashKeys() {
     { "swdh_register_cannot_scope_url", crash_keys::kLargeSize },
     { "swdh_register_cannot_script_url", crash_keys::kLargeSize },
 
-    // Temporary for https://crbug.com/619294.
-    { "swdh_unregister_cannot_host_url", crash_keys::kLargeSize },
-    { "swdh_unregister_cannot_scope_url", crash_keys::kLargeSize },
-
     // Temporary for https://crbug.com/630496.
     { "swdh_get_registration_cannot_host_url", crash_keys::kLargeSize },
     { "swdh_get_registration_cannot_document_url", crash_keys::kLargeSize },
+
+    // Temporary for https://crbug.com/668633.
+    { "swdh_set_hosted_version_worker_pid", crash_keys::kSmallSize },
+    { "swdh_set_hosted_version_host_pid", crash_keys::kSmallSize },
   };
 
   // This dynamic set of keys is used for sets of key value pairs when gathering