Separate sync and invalidation client IDs

chrome/common/pref_names.cc

Index: chrome/common/pref_names.cc
diff --git a/chrome/common/pref_names.cc b/chrome/common/pref_names.cc
index 9ff1fe436c82ab8d614eb3c908bb2a5a73239a66..b9d903213e45af67b6b307d4016b41ecba7ea6f0 100644
--- a/chrome/common/pref_names.cc
+++ b/chrome/common/pref_names.cc
@@ -1712,6 +1712,10 @@ const char kSyncMaxInvalidationVersions[] = "sync.max_invalidation_versions";
 // disable/enable events.
 const char kSyncSessionsGUID[] = "sync.session_sync_guid";
 
+// An ID to uniquely identify this client to the invalidator service.
+const char kInvalidatorInvalidatorClientId[] =
+    "invalidator.invalidator_client_id";
+
 // Opaque state from the invalidation subsystem that is persisted via prefs.
 // The value is base 64 encoded.
 const char kInvalidatorInvalidationState[] = "invalidator.invalidation_state";