Restrict CM API interface request and message dispatch.

components/password_manager/content/browser/credential_manager_impl.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_PASSWORD_MANAGER_CONTENT_BROWSER_CONTENT_CREDENTIAL_MANAGER_IMPL_H_
 #define COMPONENTS_PASSWORD_MANAGER_CONTENT_BROWSER_CONTENT_CREDENTIAL_MANAGER_IMPL_H_
 
 #include <memory>
 
 #include "base/callback.h"
 #include "base/macros.h"
 #include "base/memory/weak_ptr.h"
 #include "components/password_manager/content/common/credential_manager.mojom.h"
 #include "components/password_manager/core/browser/credential_manager_password_form_manager.h"
 #include "components/password_manager/core/browser/credential_manager_pending_prevent_silent_access_task.h"
 #include "components/password_manager/core/browser/credential_manager_pending_request_task.h"
 #include "components/password_manager/core/browser/password_store_consumer.h"
 #include "components/password_manager/core/common/credential_manager_types.h"
 #include "components/prefs/pref_member.h"
 #include "content/public/browser/web_contents_observer.h"
-#include "mojo/public/cpp/bindings/binding_set.h"
+#include "mojo/public/cpp/bindings/associated_binding.h"
 
 class GURL;
 
 namespace autofill {
 struct PasswordForm;
 }
 
 namespace content {
 class WebContents;
 }
 
 namespace password_manager {
 class CredentialManagerPasswordFormManager;
 class PasswordManagerClient;
 class PasswordManagerDriver;
 class PasswordStore;
 struct CredentialInfo;
 
 class CredentialManagerImpl
     : public mojom::CredentialManager,
       public content::WebContentsObserver,
       public CredentialManagerPasswordFormManagerDelegate,
       public CredentialManagerPendingRequestTaskDelegate,
       public CredentialManagerPendingPreventSilentAccessTaskDelegate {
  public:
   CredentialManagerImpl(content::WebContents* web_contents,
                         PasswordManagerClient* client);
   ~CredentialManagerImpl() override;
 
-  void BindRequest(mojom::CredentialManagerRequest request);
+  void BindRequest(mojom::CredentialManagerAssociatedRequest request);
+  bool HasBinding() const;
+  void DisconnectBinding();
 
   // mojom::CredentialManager methods:
   void Store(const CredentialInfo& credential, StoreCallback callback) override;
   void PreventSilentAccess(PreventSilentAccessCallback callback) override;
   void Get(CredentialMediationRequirement mediation,
            bool include_passwords,
            const std::vector<GURL>& federations,
            GetCallback callback) override;
 
   // CredentialManagerPendingRequestTaskDelegate:
@@ skipping 28 matching lines @@
   BooleanPrefMember auto_signin_enabled_;
 
   // When 'OnRequestCredential' is called, it in turn calls out to the
   // PasswordStore; we push enough data into Pending*Task objects so that
   // they can properly respond to the request once the PasswordStore gives
   // us data.
   std::unique_ptr<CredentialManagerPendingRequestTask> pending_request_;
   std::unique_ptr<CredentialManagerPendingPreventSilentAccessTask>
       pending_require_user_mediation_;
 
-  mojo::BindingSet<mojom::CredentialManager> bindings_;
+  mojo::AssociatedBinding<mojom::CredentialManager> binding_;
 
   base::WeakPtrFactory<CredentialManagerImpl> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(CredentialManagerImpl);
 };
 
 }  // namespace password_manager
 
 #endif  // COMPONENTS_PASSWORD_MANAGER_CONTENT_BROWSER_CONTENT_CREDENTIAL_MANAGER_IMPL_H_