Support getting and deleting token for Instance ID.

components/gcm_driver/instance_id/fake_gcm_driver_for_instance_id.h

Index: components/gcm_driver/instance_id/fake_gcm_driver_for_instance_id.h
diff --git a/components/gcm_driver/instance_id/fake_gcm_driver_for_instance_id.h b/components/gcm_driver/instance_id/fake_gcm_driver_for_instance_id.h
index d5f9dd112faccfcdc28614cdb9a95a6892dff71e..c5c6a7eff697e79650c0c2a19a7aee7e12cb2148 100644
--- a/components/gcm_driver/instance_id/fake_gcm_driver_for_instance_id.h
+++ b/components/gcm_driver/instance_id/fake_gcm_driver_for_instance_id.h
@@ -15,24 +15,34 @@
 namespace instance_id {
 
 class FakeGCMDriverForInstanceID : public gcm::FakeGCMDriver,
-                                   public gcm::InstanceIDStore {
+                                   public gcm::InstanceIDHandler {
  public:
   FakeGCMDriverForInstanceID();
   ~FakeGCMDriverForInstanceID() override;
 
   // FakeGCMDriver overrides:
-  gcm::InstanceIDStore* GetInstanceIDStore() override;
-
-  // InstanceIDStore overrides:
+  gcm::InstanceIDHandler* GetInstanceIDHandler() override;
+
+  // InstanceIDHandler overrides:
+  void GetToken(const std::string& app_id,
+                const std::string& authorized_entity,
+                const std::string& scope,
+                const std::map<std::string, std::string>& options,
+                const GetTokenCallback& callback) override;
+  void DeleteToken(const std::string& app_id,
+                   const std::string& authorized_entity,
+                   const std::string& scope,
+                   const DeleteTokenCallback& callback) override;
   void AddInstanceIDData(const std::string& app_id,
                          const std::string& instance_id_data) override;
   void RemoveInstanceIDData(const std::string& app_id) override;
   void GetInstanceIDData(
       const std::string& app_id,
-      const gcm::InstanceIDStore::GetInstanceIDDataCallback& callback) override;
+      const GetInstanceIDDataCallback& callback) override;
 
  private:
   std::map<std::string, std::string> instance_id_data_;
+  std::map<std::string, std::string> tokens_;
 
   DISALLOW_COPY_AND_ASSIGN(FakeGCMDriverForInstanceID);
 };