ServiceWorker: Make SWProviderHost listen to SWRegistration

content/browser/service_worker/service_worker_registration_unittest.cc

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "content/browser/service_worker/service_worker_registration.h"
 
 #include "base/files/scoped_temp_dir.h"
 #include "base/logging.h"
 #include "base/message_loop/message_loop.h"
 #include "base/run_loop.h"
@@ skipping 22 matching lines @@
   }
 
   virtual void TearDown() OVERRIDE {
     context_.reset();
     base::RunLoop().RunUntilIdle();
   }
 
   class RegistrationListener : public ServiceWorkerRegistration::Listener {
    public:
     RegistrationListener() {}
-    ~RegistrationListener() {}
+    ~RegistrationListener() {
+      if (observed_registration_)
+        observed_registration_->RemoveListener(this);
+    }
 
     virtual void OnVersionAttributesChanged(
         ServiceWorkerRegistration* registration,
         ChangedVersionAttributesMask changed_mask,
         const ServiceWorkerRegistrationInfo& info) OVERRIDE {
       observed_registration_ = registration;
       observed_changed_mask_ = changed_mask;
       observed_info_ = info;
     }
 
+    virtual void OnRegistrationFailed(
+        ServiceWorkerRegistration* registration) OVERRIDE {
+      NOTREACHED();
+    }
+
     void Reset() {
       observed_registration_ = NULL;
       observed_changed_mask_ = ChangedVersionAttributesMask();
       observed_info_ = ServiceWorkerRegistrationInfo();
     }
 
     scoped_refptr<ServiceWorkerRegistration> observed_registration_;
     ChangedVersionAttributesMask observed_changed_mask_;
     ServiceWorkerRegistrationInfo observed_info_;
   };
@@ skipping 68 matching lines @@
   EXPECT_FALSE(registration->waiting_version());
   EXPECT_EQ(ChangedVersionAttributesMask::WAITING_VERSION,
             listener.observed_changed_mask_.changed());
   EXPECT_EQ(version_1_id, listener.observed_info_.active_version.version_id);
   EXPECT_TRUE(listener.observed_info_.waiting_version.is_null);
   EXPECT_TRUE(listener.observed_info_.installing_version.is_null);
   EXPECT_TRUE(listener.observed_info_.controlling_version.is_null);
 }
 
 }  // namespace content