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

components/password_manager/core/browser/credential_manager_dispatcher.h

Index: components/password_manager/core/browser/credential_manager_dispatcher.h
diff --git a/components/password_manager/core/browser/credential_manager_dispatcher.h b/components/password_manager/core/browser/credential_manager_dispatcher.h
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+++ b/components/password_manager/core/browser/credential_manager_dispatcher.h
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+// 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_CORE_BROWSER_CREDENTIAL_MANAGER_CLIENT_H_
+#define COMPONENTS_PASSWORD_MANAGER_CORE_BROWSER_CREDENTIAL_MANAGER_CLIENT_H_
+
+#include <vector>
+
+#include "base/macros.h"
+#include "base/strings/string16.h"
+
+class GURL;
+
+namespace password_manager {
+
+struct CredentialInfo;
+
+class CredentialManagerDispatcher {
+ public:
+  CredentialManagerDispatcher() {}
+  virtual ~CredentialManagerDispatcher() {}
+
+  // Called in response to an IPC from the renderer, triggered by a page's call
+  // to 'navigator.credentials.notifyFailedSignIn'.
+  virtual void OnNotifyFailedSignIn(int request_id, const CredentialInfo&) {}
+
+  // Called in response to an IPC from the renderer, triggered by a page's call
+  // to 'navigator.credentials.notifySignedIn'.
+  virtual void OnNotifySignedIn(int request_id, const CredentialInfo&) {}
+
+  // Called in response to an IPC from the renderer, triggered by a page's call
+  // to 'navigator.credentials.notifySignedOut'.
+  virtual void OnNotifySignedOut(int request_id) {}
+
+  // Called in response to an IPC from the renderer, triggered by a page's call
+  // to 'navigator.credentials.request'.
+  virtual void OnRequestCredential(int request_id,
+                                   bool zero_click_only,
+                                   const std::vector<GURL>& federations) {}
+
+ private:
+  DISALLOW_COPY_AND_ASSIGN(CredentialManagerDispatcher);
+};
+
+}  // namespace password_manager
+
+#endif  // COMPONENTS_PASSWORD_MANAGER_CORE_BROWSER_CREDENTIAL_MANAGER_CLIENT_H_