Browser test for the push messaging feature

chrome/browser/sync/profile_sync_service.h

Index: chrome/browser/sync/profile_sync_service.h
diff --git a/chrome/browser/sync/profile_sync_service.h b/chrome/browser/sync/profile_sync_service.h
index 216ef1c483e0c9627677b173784f642894c14ad1..69e0bbc5bb1ef346ef9e8ee5cc69ebe14d2a2d74 100644
--- a/chrome/browser/sync/profile_sync_service.h
+++ b/chrome/browser/sync/profile_sync_service.h
@@ -575,6 +575,11 @@ class ProfileSyncService : public browser_sync::SyncFrontend,
   // ProfileKeyedService implementation.
   virtual void Shutdown() OVERRIDE;
 
+  // Method to trigger an invalidation in tests.

[akalin, 2012/09/17 23:20:14]

Comment doesn't say much.  Suggest something like:

// Simulate an incoming notification for the given id and payload.

+  void SendInvalidationForTest(

[akalin, 2012/09/17 23:20:14]

'Send' should be 'Emit', since you want to simulate an *incoming* notification
and not an outgoing one

+      const invalidation::ObjectId& id,
+      const std::string& payload);
+
  protected:
   // Used by test classes that derive from ProfileSyncService.
   virtual browser_sync::SyncBackendHost* GetBackendForTest();