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

components/password_manager/content/renderer/credential_manager_client.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_RENDERER_CREDENTIAL_MANAGER_CLIENT_H_
 #define COMPONENTS_PASSWORD_MANAGER_CONTENT_RENDERER_CREDENTIAL_MANAGER_CLIENT_H_
 
 #include "base/compiler_specific.h"
+#include "base/id_map.h"
 #include "base/macros.h"
-#include "components/password_manager/content/public/interfaces/credential_manager.mojom.h"
 #include "content/public/renderer/render_view_observer.h"
+#include "ipc/ipc_listener.h"
 #include "third_party/WebKit/public/platform/WebCredentialManagerClient.h"
 #include "third_party/WebKit/public/platform/WebCredentialManagerError.h"
 #include "third_party/WebKit/public/platform/WebVector.h"
 
 namespace blink {
 class WebCredential;
 class WebURL;
 }
 
 namespace content {
@@ skipping 15 matching lines @@
 // Once RenderView is gone away, the instance will be deleted.
 //
 // Note that each RenderView's WebView holds a pointer to the
 // CredentialManagerClient (set in 'OnRenderViewCreated()') but does not own it.
 class CredentialManagerClient : public blink::WebCredentialManagerClient,
                                 public content::RenderViewObserver {
  public:
   explicit CredentialManagerClient(content::RenderView* render_view);
   ~CredentialManagerClient() override;
 
-  // blink::WebCredentialManagerClient:
+  // RenderViewObserver:
+  bool OnMessageReceived(const IPC::Message& message) override;
+
+  // Message handlers for messages from the browser process:
+  virtual void OnAcknowledgeStore(int request_id);
+  virtual void OnAcknowledgeRequireUserMediation(int request_id);
+  virtual void OnSendCredential(int request_id,
+                                const CredentialInfo& credential_info);
+  virtual void OnRejectCredentialRequest(
+      int request_id,
+      blink::WebCredentialManagerError error);
+
+  // blink::WebCredentialManager:
   void dispatchStore(
       const blink::WebCredential& credential,
       WebCredentialManagerClient::NotificationCallbacks* callbacks) override;
   void dispatchRequireUserMediation(NotificationCallbacks* callbacks) override;
   void dispatchGet(bool zero_click_only,
                    bool include_passwords,
                    const blink::WebVector<blink::WebURL>& federations,
                    RequestCallbacks* callbacks) override;
 
  private:
-  void ConnectToMojoCMIfNeeded();
+  typedef IDMap<blink::WebCredentialManagerClient::RequestCallbacks,
+                IDMapOwnPointer> RequestCallbacksMap;
+  typedef IDMap<blink::WebCredentialManagerClient::NotificationCallbacks,
+                IDMapOwnPointer> NotificationCallbacksMap;
 
-  mojom::CredentialManagerPtr mojo_cm_service_;
+  void RespondToNotificationCallback(int request_id,
+                                     NotificationCallbacksMap* map);
+
+  // Track the various blink::WebCredentialManagerClient::*Callbacks objects
+  // generated from Blink. This class takes ownership of these objects.
+  NotificationCallbacksMap store_callbacks_;
+  NotificationCallbacksMap require_user_mediation_callbacks_;
+  RequestCallbacksMap get_callbacks_;
 
   DISALLOW_COPY_AND_ASSIGN(CredentialManagerClient);
 };
 
 }  // namespace password_manager
 
 #endif  // COMPONENTS_PASSWORD_MANAGER_CONTENT_RENDERER_CREDENTIAL_MANAGER_CLIENT_H_