Push API: Validate storage before returning cached subscriptions

components/gcm_driver/fake_gcm_driver.h

 // Copyright 2014 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.
 
 #ifndef COMPONENTS_GCM_DRIVER_FAKE_GCM_DRIVER_H_
 #define COMPONENTS_GCM_DRIVER_FAKE_GCM_DRIVER_H_
 
 #include "base/compiler_specific.h"
 #include "base/macros.h"
 #include "base/memory/ref_counted.h"
 #include "components/gcm_driver/gcm_driver.h"
 
 namespace base {
 class SequencedTaskRunner;
 }
 
 namespace gcm {
 
 class FakeGCMDriver : public GCMDriver {
  public:
   FakeGCMDriver();
   explicit FakeGCMDriver(
       const scoped_refptr<base::SequencedTaskRunner>& blocking_task_runner);
 
   ~FakeGCMDriver() override;
 
   // GCMDriver overrides:
+  void ValidateRegistration(
+      const std::string& app_id,
+      const std::vector<std::string>& sender_ids,
+      const std::string& registration_id,
+      const ValidateRegistrationCallback& callback) override;
   void OnSignedIn() override;
   void OnSignedOut() override;
   void AddConnectionObserver(GCMConnectionObserver* observer) override;
   void RemoveConnectionObserver(GCMConnectionObserver* observer) override;
   void Enable() override;
   void Disable() override;
   GCMClient* GetGCMClientForTesting() const override;
   bool IsStarted() const override;
   bool IsConnected() const override;
   void GetGCMStatistics(const GetGCMStatisticsCallback& callback,
@@ skipping 25 matching lines @@
                                GCMEncryptionProvider::DecryptionResult result)
       override;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(FakeGCMDriver);
 };
 
 }  // namespace gcm
 
 #endif  // COMPONENTS_GCM_DRIVER_FAKE_GCM_DRIVER_H_