Credential Manager: Extract browser-side IPC to a stand-alone dispatcher.

components/password_manager/content/browser/content_credential_manager_dispatcher.cc

+// 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.
+
+#include "components/password_manager/content/browser/content_credential_manager_dispatcher.h"
+
+#include "base/strings/string16.h"
+#include "base/strings/utf_string_conversions.h"
+#include "components/autofill/core/common/password_form.h"
+#include "components/password_manager/content/common/credential_manager_messages.h"
+#include "components/password_manager/content/common/credential_manager_types.h"
+#include "components/password_manager/core/browser/password_manager_client.h"
+#include "content/public/browser/render_view_host.h"
+#include "content/public/browser/web_contents.h"
+#include "ipc/ipc_message_macros.h"
+
+namespace password_manager {
+
+ContentCredentialManagerDispatcher::ContentCredentialManagerDispatcher(
+    content::WebContents* web_contents,
+    PasswordManagerClient* client)
+    : WebContentsObserver(web_contents),
+      client_(client) {
+  DCHECK(web_contents);
+}
+
+ContentCredentialManagerDispatcher::~ContentCredentialManagerDispatcher() {}
+
+bool ContentCredentialManagerDispatcher::OnMessageReceived(
+    const IPC::Message& message) {
+  bool handled = true;
+  IPC_BEGIN_MESSAGE_MAP(ContentCredentialManagerDispatcher, message)
+    IPC_MESSAGE_HANDLER(CredentialManagerHostMsg_NotifyFailedSignIn,
+                        OnNotifyFailedSignIn);
+    IPC_MESSAGE_HANDLER(CredentialManagerHostMsg_NotifySignedIn,
+                        OnNotifySignedIn);
+    IPC_MESSAGE_HANDLER(CredentialManagerHostMsg_NotifySignedOut,
+                        OnNotifySignedOut);
+    IPC_MESSAGE_HANDLER(CredentialManagerHostMsg_RequestCredential,
+                        OnRequestCredential);
+    IPC_MESSAGE_UNHANDLED(handled = false)
+  IPC_END_MESSAGE_MAP()
+  return handled;
+}
+
+void ContentCredentialManagerDispatcher::OnNotifyFailedSignIn(
+    int request_id,
+    const password_manager::CredentialInfo&) {
+  // TODO(mkwst): This is a stub.
+  web_contents()->GetRenderViewHost()->Send(
+      new CredentialManagerMsg_AcknowledgeFailedSignIn(
+          web_contents()->GetRenderViewHost()->GetRoutingID(), request_id));
+}
+
+void ContentCredentialManagerDispatcher::OnNotifySignedIn(
+    int request_id,
+    const password_manager::CredentialInfo&) {
+  // TODO(mkwst): This is a stub.
+  web_contents()->GetRenderViewHost()->Send(
+      new CredentialManagerMsg_AcknowledgeSignedIn(
+          web_contents()->GetRenderViewHost()->GetRoutingID(), request_id));
+}
+
+void ContentCredentialManagerDispatcher::OnNotifySignedOut(int request_id) {
+  // TODO(mkwst): This is a stub.
+  web_contents()->GetRenderViewHost()->Send(
+      new CredentialManagerMsg_AcknowledgeSignedOut(
+          web_contents()->GetRenderViewHost()->GetRoutingID(), request_id));
+}
+
+void ContentCredentialManagerDispatcher::OnRequestCredential(
+    int request_id,
+    bool zero_click_only,
+    const std::vector<GURL>& federations) {
+  // TODO(mkwst): This is a stub.
+  password_manager::CredentialInfo info(base::ASCIIToUTF16("id"),
+                                        base::ASCIIToUTF16("name"),
+                                        GURL("https://example.com/image.png"));
+  web_contents()->GetRenderViewHost()->Send(
+      new CredentialManagerMsg_SendCredential(
+          web_contents()->GetRenderViewHost()->GetRoutingID(),
+          request_id,
+          info));
+}
+
+}  // namespace password_manager