ServiceWorker: Make SWProviderHost listen to SWRegistration

content/browser/service_worker/service_worker_registration_unittest.cc

Index: content/browser/service_worker/service_worker_registration_unittest.cc
diff --git a/content/browser/service_worker/service_worker_registration_unittest.cc b/content/browser/service_worker/service_worker_registration_unittest.cc
index 55d8a31842aaa0ed027637a1fdcfe71d246bd688..9457d0fd3907beeb151d93fd47a03f7424ce50af 100644
--- a/content/browser/service_worker/service_worker_registration_unittest.cc
+++ b/content/browser/service_worker/service_worker_registration_unittest.cc
@@ -40,7 +40,10 @@ class ServiceWorkerRegistrationTest : public testing::Test {
   class RegistrationListener : public ServiceWorkerRegistration::Listener {
    public:
     RegistrationListener() {}
-    ~RegistrationListener() {}
+    ~RegistrationListener() {
+      if (observed_registration_)
+        observed_registration_->RemoveListener(this);
+    }
 
     virtual void OnVersionAttributesChanged(
         ServiceWorkerRegistration* registration,
@@ -51,6 +54,12 @@ class ServiceWorkerRegistrationTest : public testing::Test {
       observed_info_ = info;
     }
 
+    virtual void OnRegistrationDeleted(
+        ServiceWorkerRegistration* registration) OVERRIDE {
+      observed_registration_->RemoveListener(this);
+      Reset();
+    }
+
     void Reset() {
       observed_registration_ = NULL;
       observed_changed_mask_ = ChangedVersionAttributesMask();