Reland: Switch components/password_manager code from IPC messages to Mojo.

components/password_manager/core/browser/credential_manager_pending_request_task.h

 // Copyright 2015 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_CORE_BROWSER_CREDENTIAL_MANAGER_PENDING_REQUEST_TASK_H_
 #define COMPONENTS_PASSWORD_MANAGER_CORE_BROWSER_CREDENTIAL_MANAGER_PENDING_REQUEST_TASK_H_
 
 #include <set>
 #include <string>
 #include <vector>
 
 #include "base/callback_forward.h"
 #include "base/macros.h"
 #include "base/memory/scoped_vector.h"
 #include "components/password_manager/core/browser/password_store_consumer.h"
 #include "url/gurl.h"
 
 namespace autofill {
 struct PasswordForm;
 }  // namespace autofill
 
 namespace password_manager {
 
 struct CredentialInfo;
 class PasswordManagerClient;
 
+typedef base::Callback<void(const CredentialInfo& credential)>
+    SendCredentialCallback;
+
 // Sends credentials retrieved from the PasswordStore to CredentialManager API
 // clients and retrieves embedder-dependent information.
 class CredentialManagerPendingRequestTaskDelegate {
  public:
   // Determines whether zero-click sign-in is allowed.
   virtual bool IsZeroClickAllowed() const = 0;
 
   // Retrieves the current page origin.
   virtual GURL GetOrigin() const = 0;
 
   // Retrieves a synthetic PasswordForm for the current page origin.
   virtual autofill::PasswordForm GetSynthesizedFormForOrigin() const = 0;
 
   // Returns the PasswordManagerClient.
   virtual PasswordManagerClient* client() const = 0;
 
   // Sends a credential to JavaScript.
-  virtual void SendCredential(int id, const CredentialInfo& credential) = 0;
+  virtual void SendCredential(const SendCredentialCallback& send_callback,
+                              const CredentialInfo& credential) = 0;
 
   // Updates |skip_zero_click| for |form| in the PasswordStore if required.
   // Sends a credential to JavaScript.
-  virtual void SendPasswordForm(int id, const autofill::PasswordForm* form) = 0;
+  virtual void SendPasswordForm(const SendCredentialCallback& send_callback,
+                                const autofill::PasswordForm* form) = 0;
 };
 
 // Retrieves credentials from the PasswordStore.
 class CredentialManagerPendingRequestTask : public PasswordStoreConsumer {
  public:
   CredentialManagerPendingRequestTask(
       CredentialManagerPendingRequestTaskDelegate* delegate,
-      int request_id,
+      const SendCredentialCallback& callback,
       bool request_zero_click_only,
       const GURL& request_origin,
       bool include_passwords,
       const std::vector<GURL>& request_federations,
       const std::vector<std::string>& affiliated_realms);
   ~CredentialManagerPendingRequestTask() override;
 
-  int id() const { return id_; }
+  SendCredentialCallback send_callback() const { return send_callback_; }
   const GURL& origin() const { return origin_; }
 
   // PasswordStoreConsumer implementation.
   void OnGetPasswordStoreResults(
       ScopedVector<autofill::PasswordForm> results) override;
 
  private:
   CredentialManagerPendingRequestTaskDelegate* delegate_;  // Weak;
-  const int id_;
+  SendCredentialCallback send_callback_;
   const bool zero_click_only_;
   const GURL origin_;
   const bool include_passwords_;
   std::set<std::string> federations_;
   std::set<std::string> affiliated_realms_;
 
   DISALLOW_COPY_AND_ASSIGN(CredentialManagerPendingRequestTask);
 };
 
 }  // namespace password_manager
 
 #endif  // COMPONENTS_PASSWORD_MANAGER_CORE_BROWSER_CREDENTIAL_MANAGER_PENDING_REQUEST_TASK_H_